cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Electron and Ion Acceleration in Relativistic Shocks with Applications to GRB Afterglows
Creators: name: Warren, Donald C.
name: Ellison, Donald C.
name: Bykov, Andrei M.
name: Lee, Shiu-Hang
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We have modeled the simultaneous first-order Fermi shock acceleration of protons, electrons, and helium nuclei by relativistic shocks. By parameterizing the particle diffusion, our steady-state Monte Carlo simulation allows us to follow particles from particle injection at nonthermal thermal energies to above PeV energies, including the nonlinear smoothing of the shock structure due to cosmic-ray (CR) backpressure. We observe the mass-to-charge (A/Z) enhancement effect believed to occur in efficient Fermi acceleration in non-relativistic shocks and we parameterize the transfer of ion energy to electrons seen in particle-in-cell (PIC) simulations. For a given set of environmental and model parameters, the Monte Carlo simulation determines the absolute normalization of the particle distributions and the resulting synchrotron, inverse-Compton, and pion-decay emission in a largely self-consistent manner. The simulation is flexible and can be readily used with a wide range of parameters typical of gamma-ray burst (GRB) afterglows. We describe some preliminary results for photon emission from shocks of different Lorentz factors and outline how the Monte Carlo simulation can be generalized and coupled to hydrodynamic simulations of GRB blast waves. We assume Bohm diffusion for simplicity but emphasize that the nonlinear effects we describe stem mainly from an extended shock precursor where higher energy particles diffuse further upstream. Quantitative differences will occur with different diffusion models, particularly for the maximum CR energy and photon emission, but these nonlinear effects should be qualitatively similar as long as the scattering mean free path is an increasing function of momentum.
description: Accepted for publication in MNRAS
Enhancing multi-step quantum state tomography by PhaseLift
Creators: name: Lu, Yiping
name: Zhao, Qing
Publisher: name: arXiv
Year: 2016
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Multi-photon system has been studied by many groups, however the biggest challenge faced is the number of copies of an unknown state are limited and far from detecting quantum entanglement. The difficulty to prepare copies of the state is even more serious for the quantum state tomography. One possible way to solve this problem is to use adaptive quantum state tomography, which means to get a preliminary density matrix in the first step and revise it in the second step. In order to improve the performance of adaptive quantum state tomography, we develop a new distribution scheme of samples and extend it to three steps, that is to correct it once again based on the density matrix obtained in the traditional adaptive quantum state tomography. Our numerical results show that the mean square error of the reconstructed density matrix by our new method is improved to the level from $10^{-4}$ to $10^{-9}$ for several tested states. In addition, PhaseLift is also applied to reduce the required storage space of measurement operator.
Sonnenfleckenzeichnung Nr. 218.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 26.08.2007, 10:00, erstellt von Andrea Manna
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2007

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 4.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
DYNAMIC PULSED BEAM STEERING USING VIRTUALLY IMAGED PHASED ARRAY
Creators: name: Wang, Jie
Publisher: name: Purdue University Graduate School
Year: 2023
Subjects: Electrical engineering not elsewhere classified

description: Optical beam steering is of significant importance for various emerging applications such as light detection and ranging (LiDAR), free space optical communication, and holographic display. However, the development of schemes for dynamic spatio-temporal beam steering has been limited in the past. A previous study achieved dynamic and continuous angular beam steering of isolated ultrashort pulses from a mode-locked laser by using a passive metasurface emulating a diffraction grating followed by a lens. In this thesis, we experimentally demonstrate dynamic spatio-temporal steering of high repetition rate pulse trains using a spatial array of frequency combs with a uniform gradient in their carrier-envelope offsets. To accomplish this, we leverage the capabilities of a virtually imaged phased array (VIPA), which is a side-entrance Fabry-Perot etalon, and employ successive spatial Fourier transforms facilitated by a 4f optical lens system. Our experimental results successfully demonstrate the periodic scanning of ultrashort pulse trains generated from an electro-optic comb at a repetition rate of ~10 GHz. The scanning occurs in discrete steps of ~115 μm and ~20 ps in the spatial and temporal domains, respectively.
Tight-binding approach to penta-graphene
Creators: name: Stauber, T.
name: Beltrán, J. I.
name: Schliemann, J.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We introduce an effective tight-binding model to discuss penta-graphene and present an analytical solution. This model only involves the $π$-orbitals of the sp$^2$-hybridized carbon atoms and reproduces the two highest valence bands. By introducing energy-dependent hopping elements, originating from the elimination of the sp$^3$-hybridized carbon atoms, also the two lowest conduction bands can be well approximated - but only after the inclusion of a Hubbard onsite interaction as well as of assisted hopping terms. The eigenfunctions can be approximated analytically for the effective model without energy-dependent hopping elements and the optical absorption is discussed. We find large isotropic absorption of up to 24\% for transitions at the $Γ$-point, but the general absorption will show a strongly anisotropic behaviour depending on the linear polarization of the incident light.
description: 9 pages, 4 figures
title: Can Dual-Energy CT Help Distinguish Cardiogenic Pulmonary Edema and Acute Interstitial Lung Disease?
Creators: name: Takeuchi, Hitoshi
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: Oedema
subject: Contrast agent-intravenous
subject: CT
subject: Thorax

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: Currently available dual-energy computed tomography (DECT) scanners enable simultaneous acquisition of projection data at 2 different tube voltages as well as intravoxelanalyses regarding various materials and tissue components in a CT image. As...
Sonnenfleckenzeichnung Nr. 327.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 26.12.2007, 10:00, erstellt von Sergio Cortesi
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2007

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 3.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Quantifying efficiency of remote excitation for surface enhanced Raman spectroscopy in molecular junctions
Creators: name: Liao, Shusen
name: Zhu, Yunxuan
name: Ye, Qian
name: Sanders, Stephen
name: Yang, Jiawei
name: Alabastri, Alessandro
name: Natelson, Douglas
Publisher: name: arXiv
Year: 2023
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Surface-enhanced Raman spectroscopy (SERS) is enabled by local surface plasmon resonances (LSPRs) in metallic nanogaps. When SERS is excited by direct illumination of the nanogap, the background heating of lattice and electrons can prevent further manipulation of the molecules. To overcome this issue, we report SERS in electromigrated gold molecular junctions excited remotely: surface plasmon polaritons (SPPs) are excited at nearby gratings, propagate to the junction, and couple to the local nanogap plasmon modes. Like direct excitation, remote excitation of the nanogap can generate both SERS emission and an open-circuit photovoltage (OCPV). We compare SERS intensity and OCPV in both direct and remote illumination configurations. SERS spectra obtained by remote excitation are much more stable than those obtained through direct excitation when photon count rates are comparable. By statistical analysis of 33 devices, coupling efficiency of remote excitation is calculated to be around 10%, consistent with the simulated energy flow.
description: 20 pages, 4 figures, plus 19 pages, 11 figures supporting information
title: The radiographic spectrum of chondroblastoma is presented with emphasis on its various misleading appearances, the pathologic mimics and the effect on management of this benign condition.
Creators: name: Desai, Subash
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: Neoplasia
subject: Multidisciplinary cancer care
subject: Education and training
subject: Diagnostic procedure
subject: Computer Applications-Detection, diagnosis
subject: Comparative studies
subject: MR
subject: Digital radiography
subject: CT
subject: Oncology
subject: Musculoskeletal bone
subject: Bones

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: The radiographic spectrum of chondroblastoma is presented with emphasis on its various misleading appearances, the pathologic mimics and the effect on management of this benign...
Modelling Structural Breaks In Stock Price Time Series Using Stochastic Differential Equations
Creators: name: Karzanov, Daniil
Publisher: name: arXiv
Year: 2023
Subjects: subject: Applications (stat.AP)
subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: This paper studies the effect of quarterly earnings reports on the stock price. The profitability of the stock is modelled by geometric Brownian diffusion and the Constant Elasticity of Variance model. We fit several variations of stochastic differential equations to the pre-and after-report period using the Maximum Likelihood Estimation and Grid Search of parameters method. By examining the change in the model parameters after reports' publication, the study reveals that the reports have enough evidence to be a structural breakpoint, meaning that all the forecast models exploited are not applicable for forecasting and should be refitted shortly.
description: 4 pages, 3 Figures, Conference. Intel. pp 4-7. http://agora.guru.ru/display.php?conf=hpc2021&page=item005&l=1
title: Reduced heart rate response to adenosine was associated with low myocardial flow reserve in 13N-ammonia PET studies.
Creators: name: Tomiyama, Takeshi
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: Ischaemia / Infarction
subject: Technical aspects
subject: Diagnostic procedure
subject: PET-CT
subject: Cardiac

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: Inadenosine stress myocardial perfusion single photon emission computed tomography (SPECT) imaging, reduced perfusion is detected as a result of differences in the degree of coronary hyperemia between normal and stenosed coronary arteries or damaged...
Strong Coupling Diagram Technique for the Three-Band Hubbard Model
Creators: name: Sherman, A.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Using the strong coupling diagram technique equations are derived for hole Green's functions of the three-band Hubbard model, which describes Cu-O planes of high-$T_c$ cuprates. The equations are self-consistently solved in the approximation, in which the series for the irreducible part in powers of the oxygen-copper hopping constant is truncated to two lowest-order terms. For parameters used for hole-doped cuprates the calculated energy spectrum consists of lower and upper Hubbard subbands of predominantly copper nature, oxygen bands with a small admixture of copper states and the Zhang-Rice states of mixed nature, which are located between the lower Hubbard subband and oxygen bands. The spectrum contains also pseudogaps near transition frequencies of Hubbard atoms on copper sites.
description: 10 pages, 3 figures, To appear in Proceedings of Intern. Conference "Electron Correlations in Nanostructures", September 3-6, 2015, Odessa, Ukraine
title: The many songographic appearances of thyroiditis
Creators: name: Cook, John-Luke
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: Thyroid / Parathyroids
subject: Ultrasound
subject: Diagnostic procedure
subject: Inflammation

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: A pictorial review to identify the varying appearances that thyroiditis can have on ultrasound...
A Theory of Pitch for the Hydrodynamic Properties of Molecules, Helices, and Achiral Swimmers at Low Reynolds Number
Creators: name: Duraes, Anderson D. S.
name: Gezelter, J. Daniel
Publisher: name: arXiv
Year: 2023
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We present a theory for pitch, a matrix property which is linked to the coupling of rotational and translational motion of rigid bodies at low Reynolds number. The pitch matrix is a geometric property of objects in contact with a surrounding fluid, and it can be decomposed into three principal axes of pitch and their associated \textit{moments of pitch}. The moments of pitch predict the translational motion in a direction parallel to each pitch axis when the object is rotated around that axis, and can be used to explain translational drift, particularly for rotating helices. We also provide a symmetrized boundary element model for blocks of the resistance tensor, allowing calculation of the pitch matrix for arbitrary rigid bodies. We analyze a range of chiral objects, including chiral molecules and helices. Chiral objects with a $C_n$ symmetry axis with $n > 2$ show additional symmetries in their pitch matrices. We also show that some achiral objects have non-vanishing pitch matrices, and use this result to explain recent observations of achiral microswimmers. We also discuss the small, but non-zero pitch of Lord Kelvin's isotropic helicoid.
The prototypical organic-oxide interface: intra-molecular resolution of sexiphenyl on In$_2$O$_3$(111)
Creators: name: Wagner, Margareta
name: Hofinger, Jakob
name: Setvín, Martin
name: Boatner, Lynn A.
name: Schmid, Michael
name: Diebold, Ulrike
Publisher: name: arXiv
Year: 2023
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The performance of an organic-semiconductor device is critically determined by the geometric alignment, orientation, and ordering of the organic molecules. While an organic multilayer eventually adopts the crystal structure of the organic material, the alignment and configuration at the interface with the substrate/electrode material is essential for charge injection into the organic layer. This work focuses on the prototypical organic semiconductor para-sexiphenyl (6P) adsorbed on In$_2$O$_3$(111), the thermodynamically most stable surface of the material that the most common transparent conducting oxide, indium tin oxide (ITO) is based on. The onset of nucleation and formation of the first monolayer are followed with atomically-resolved scanning tunneling microscopy (STM) and non-contact atomic force microscopy (nc-AFM). Annealing to 200$^\circ$C provides sufficient thermal energy for the molecules to orient themselves along the high-symmetry directions of the surface, leading to a single adsorption site. The AFM data suggests a twisted adsorption geometry. With increasing coverage, the 6P molecules first form a loose network with poor long-range order. Eventually the molecules re-orient and form an ordered monolayer. This first monolayer has a densely packed, well-ordered (2$\times$1) structure with one 6P per In$_2$O$_3$(111) substrate unit cell, i.e., a molecular density of 5.64$\times$10$^{13}$ cm$^{-2}$.
Sonnenfleckenzeichnung Nr. 313.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 12.12.2007, 08:45, erstellt von Sergio Cortesi
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2007

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 2.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
title: MDCT in the diagnosis of idiopathic eosinophilic lung diseases.
Creators: name: Koroleva, Irina
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: CT-High Resolution
subject: Lung
subject: Computer Applications-Detection, diagnosis
subject: Inflammation

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: To describe the most common spectrum of CT-findings in patients with idiopathic eosinophilic lung...
Signatures of spatial inversion asymmetry of an optical lattice observed in matter-wave diffraction
Creators: name: Thomas, C. K.
name: Barter, T. H.
name: Leung, T. -H.
name: Daiss, S.
name: Stamper-Kurn, D. M.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: The structure of a two-dimensional honeycomb optical lattice potential with small inversion asymmetry is characterized using coherent diffraction of $^{87}$Rb atoms. We demonstrate that even a small potential asymmetry, with peak-to-peak amplitude of $\leq 2.3\%$ of the overall lattice potential, can lead to pronounced inversion asymmetry in the momentum-space diffraction pattern. The observed asymmetry is explained quantitatively by considering both Kapitza-Dirac scattering in the Raman-Nath regime, and also either perturbative or full-numerical treatment of the band structure of a periodic potential with a weak inversion-symmetry-breaking term. Our results have relevance for both the experimental development of coherent atom optics and the proper interpretation of time-of-flight assays of atomic materials in optical lattices.
title: A structured report for pancreatic ductal adenocarcinoma according to recent guidelines
Creators: name: Picone, Dario
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: Abdomen
subject: Pancreas
subject: CT
subject: Computer Applications-Detection, diagnosis
subject: Education and training

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: -To provide the key points of a proper protocol for CT acquisition, evaluation and reporting for a uniform staging in patients with pancreatic ductal adenocarcinoma (PDA) according to new...
Sonnenfleckenzeichnung Nr. 198.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 05.08.2007, 10:15, erstellt von Andrea Manna
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2007

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 4.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
The Impact of Enhanced Iron Opacity on Massive Star Pulsations: Updated Instability Strips
Creators: name: Moravveji, Ehsan
Publisher: name: arXiv
Year: 2015
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Recently, Bailey et al. (2015) made a direct measurement of the Iron opacity at the physical conditions of the solar tachocline. They found that the wavelength-integrated Iron opacity is roughly 75% higher that what the OP and OPAL models predict. Here, we compute new opacity tables with enhanced Iron and Nickel contributions to the Rosseland mean opacity by 75% each, and compute three dense MESA grids of evolutionary models for Galactic O- and B-type stars covering from 2.5 to 25 M$_\odot$ from ZAMS until $T_{\rm eff}=10\,000$ K after the core hydrogen exhaustion. We carry out non-adiabatic mode stability analysis with GYRE, and update the extension of the instability strips of heat-driven p- and g-mode pulsators, and the hybrid pulsating SPB - $β$ Cep stars. We compare the position of two confirmed late O-type $β$ Cep and eight confirmed hybrid B-type pulsators with the new instability domains, and justify that $\sim$75% enhancement, only in Iron opacity, is sufficient to consistently reproduce the observed position of these stars on the $\log T_{\rm eff}$ versus $\log g$ plane. We propose that this improvement in opacities be incorporated in the input physics of new stellar models. To reproduce the results, all software, opacity tables and the new instability strips are freely available for download at the following URL: https://fys.kuleuven.be/ster/Projects/ASAMBA.
description: 4 figures, 1 table, MNRAS Letters, in press
Sonnenfleckenzeichnung Nr. 52.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 03.03.2007, 08:45, erstellt von Sergio Cortesi
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2007

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 2.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Sonnenfleckenzeichnung Nr. 16.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 18.01.2007, 13:30, erstellt von Renzo Ramelli
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2007

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 3.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
The Tip of the Red Giant Branch Distances to Type Ia Supernova Host Galaxies. III. NGC 4038/39 and NGC 5584
Creators: name: Jang, In Sung
name: Lee, Myung Gyoon
Publisher: name: arXiv
Year: 2015
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the tip of the red giant branch (TRGB) distances to Type Ia supernova (SNe Ia) host galaxies NGC 4038/39 and NGC 5584. Based on the deep images constructed using archival Hubble Space Telescope data, we detect red giant branch stars in each galaxy. VI photometry of the resolved stars and corresponding I-band luminosity functions show the TRGB to be at I_{TRGB} = 27.67 \pm 0.05 for NGC 4038/39 and I_{TRGB} = 27.77 \pm 0.04 for NGC 5584. From these estimates, we determine the distance modulus to NGC 4038/39 to be (m-M)_0 = 31.67 \pm 0.05 (random) \pm 0.12 (systematic) (corresponding to a linear distance of 21.58 \pm 0.50 \pm 1.19 Mpc) and the distance modulus to NGC 5584 to be (m-M)_0 = 31.76 \pm 0.04 (random) \pm 0.12 (systematic) (corresponding to a linear distance of 22.49 \pm 0.41 \pm 1.24 Mpc). We derive a mean absolute maximum magnitude of SNe Ia of M_V = -19.29 \pm 0.08 from the distance estimates of five SNe Ia (including two SNe in this study and three SNe Ia from our previous studies), and we derive a value of M_V = -19.19 \pm 0.10 using three low-reddened SNe Ia among the five SNe Ia. With these estimates, we derive a value of the Hubble constant, H_0 = 69.8 \pm 2.6 (random) \pm 3.9 (systematic) km/s/Mpc and 72.2 \pm 3.3 (random) \pm 4.0 (systematic) km/s/Mpc, respectively. The value from the five SNe is similar to those from the cosmic microwave background analysis, and not much different within errors, from those of recent Cepheid calibrations of SNe Ia. The value from the three SNe is between the values from the two methods.
description: 12 pages, 9 figures, 6 tables, accepted for publication in ApJ
Sonnenfleckenzeichnung Nr. 197.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 04.08.2007, 07:00, erstellt von Sergio Cortesi
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2007

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 4.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
title: A comparison between MR imaging findings of ovarian serous borderline tumors and those of ovarian clear cell carcinomas: mimickers on MR imaging
Creators: name: Tsujimoto, Hiroe
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: Cancer
subject: Diagnostic procedure
subject: MR
subject: Pelvis

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: Background Serous borderline tumor (SBT) is one of the major histological types in ovarian BTs. Reported sensitivities of magnetic resonance imaging (MR imaging) for BTs are scarce and low, which is 45.5% in one report, including SBTs 33.3% 1) . MR...
Sonnenfleckenzeichnung Nr. 67.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 20.03.2007, 08:15, erstellt von Sergio Cortesi
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2007

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 2.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Double resonance for one-sided superlinear or singular nonlinearities
Creators: name: Sfecci, Andrea
Publisher: name: arXiv
Year: 2015
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics

description: We deal with the problem of existence of periodic solutions for the scalar differential equation x" + f (t, x) = 0 when the asymmetric nonlinearity satisfies a one-sided superlinear growth at infinity. The nonlinearity is asked to be next to resonance and a Landesman-Lazer type of condition will be introduced in order to obtain a positive answer. Moreover we provide also the corresponding result for equations with a singularity and asymptotically linear growth at infinity, showing a further application to radially symmetric systems.
description: 24 pages, 3 figures
title:  Focal fatty sparing in the pancreatic head: a great mimicker
Creators: name: Lama, Niki
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: Pancreas
subject: Abdomen
subject: CT
subject: Education
subject: Computer Applications-Detection, diagnosis
subject: Education and training

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: The incidental finding of a focal, high attenuation area in the posterior aspect of the pancreatic head, during abdominal CT evaluation, is not uncommon. Previous reports showed that on CT, and as supported by some authors, more often on US...
title: Evolution of brain MRI tuberous sclerosis findings in neonates and infants.
Creators: name: Anastasiou, Athanasia
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: CNS
subject: MR
subject: Imaging sequences
subject: Seizure disorders

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: Brain MRI findings in neonates and young infants suffering from tuberous sclerosis (TS) differ considerably from those in older infants, children and adults , due to the still ongoing and not complete myelination process of the white matter. Because...
10 Supplementary Figures from Self-assembly of a barnacle cement protein into intertwined amyloid fibres and determination of their adhesive and viscoelastic properties
Creators: name: Tilbury, Maura A.
name: Tran, Thi Quynh
name: Shingare, Dilip
name: Lefevre, Mathilde
name: Marie Power, Anne
name: Leclère, Philippe
name: Wall, J. Gerard
Publisher: name: The Royal Society
Year: 2023
Subjects: subject: Biophysics
subject: Biotechnology
classificationCode: 90301
subject: Biomaterials

description: SEM images of probes; additional AFM images; amino acid alignment
Message Passing for Integrating and Assessing Renewable Generation in a Redundant Power Grid
Creators: name: Zdeborová, Lenka
name: Backhaus, Scott
name: Chertkov, Michael
Publisher: name: arXiv
Year: 2009
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Computational Engineering, Finance, and Science (cs.CE)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: A simplified model of a redundant power grid is used to study integration of fluctuating renewable generation. The grid consists of large number of generator and consumer nodes. The net power consumption is determined by the difference between the gross consumption and the level of renewable generation. The gross consumption is drawn from a narrow distribution representing the predictability of aggregated loads, and we consider two different distributions representing wind and solar resources. Each generator is connected to D consumers, and redundancy is built in by connecting R of these consumers to other generators. The lines are switchable so that at any instance each consumer is connected to a single generator. We explore the capacity of the renewable generation by determining the level of "firm" generation capacity that can be displaced for different levels of redundancy R. We also develop message-passing control algorithm for finding switch settings where no generator is overloaded.
description: 10 pages, accepted for HICSS-43
Direct Evaluation of the Quark Content of Nucleons from Lattice QCD at the Physical Point
Creators: name: Abdel-Rehim, A.
name: Alexandrou, C.
name: Constantinou, M.
name: Hadjiyiannakou, K.
name: Jansen, K.
name: Kallidonis, Ch.
name: Koutsou, G.
name: Aviles-Casco, A. Vaquero
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We evaluate the light, strange and charm scalar content of the nucleon using one lattice QCD ensemble generated with two degenerate light quarks with mass fixed to their physical value. We use improved techniques to evaluate the disconnected quark loops to sufficient accuracy to determine the strange and charm nucleon $σ$-terms. in addition to the light quark content $σ_{πN}$. We find $σ_{πN}$=$37.2(2.6)(^{4.7}_{2.9})$ MeV $σ_{s}$=$41.1(8.2)(^{7.8}_{5.8})$ MeV and $σ_c$=$79(21)(^{12}_{\phantom{1}8})$ MeV, where the first error is statistical and the second is the systematic error due to the determination of the lattice spacing, the assessment of finite volume and residual excited state effects.
description: Version accepted for publication in Phys. Rev. Lett,, 6 pages, 4 figures
title: Optimal use of 100-kVp spectral shaped lung cancer screening acquisitions in Computed Tomography
Creators: name: KAMBE, YUICHI
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: Lung
subject: Thorax
subject: Radioprotection / Radiation dose
subject: CT
subject: Physics
subject: Screening
subject: Technical aspects
subject: Cancer
subject: Artifacts
subject: Quality assurance

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: It is obvious that CT lung cancer screening can get more diagnostic information than the conventional chest x-ray and the usefulness has proved by National Lung Screening Trial. However, the increase in the number of CT exams performed for the...
An application of topological equivalence to Morse theory
Creators: name: Qin, Lizhen
Publisher: name: arXiv
Year: 2011
Subjects: subject: Geometric Topology (math.GT)
subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 58E05, 57N65, 57N80, 57R70

description: In a previous paper, under the assumption that the Riemannian metric is special, the author proved some results about the moduli spaces and CW structures arising from Morse theory. By virtue of topological equivalence, this paper extends those results by dropping the assumption on the metric. In particular, we give a strong solution to the following classical question: Does a Morse function on a compact Riemannian manifold gives rise to a CW decomposition that is homeomorphic to the manifold?
description: Final version
Electrical control of the valley Hall effect in bilayer MoS2 transistors
Creators: name: Lee, Jieun
name: Mak, Kin Fai
name: Shan, Jie
Publisher: name: arXiv
Year: 2015
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The valley degree of freedom of electrons in solids has been proposed as a new type of information carriers beyond the electronic charge and spin. Recent experimental demonstrations of the optical orientation of the valley polarization and generation of the valley current through the valley Hall effect in monolayer MoS2 have shown the potential of two-dimensional semiconductor transition metal dichalcogenides for valley based electronic and optoelectronic applications. The valley Hall conductivity in monolayer MoS2, a non-centrosymmetric crystal, however, cannot be easily tuned, presenting a challenge for valley-based applications. Here we report the control of the valley Hall effect in bilayer MoS2 transistors through a gate. The inversion symmetry present in bilayer MoS2 was broken by the gate applied electric field perpendicular to the plane. The valley polarization near the edges of the device channels induced by the longitudinal electrical current was imaged by use of Kerr rotation microscopy. The polarization is out-of-plane, has opposite sign for the two edges, and is strongly dependent on the gate voltage. The observation is consistent with the symmetry dependent Berry curvature and valley Hall conductivity in bilayer MoS2. Our results are another step towards information processing based on the valley degree of freedom.
description: 10 pages, 4 figures
title: Questionnaire regarding ionizing radiation among screening agency staffs in Japan
Creators: name: Yashima, Sachiko
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: Education and training
subject: Biological effects
subject: Statistics
subject: Radiation effects
subject: Experimental
subject: Radioprotection / Radiation dose

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: •Todetermine the state of the screening agency staff's knowledge about radiation •To assess the difference between medical staffs and the clerical staffs and radiation specialists on the knowledge regarding ionizing radiation •To comprehend...
title: CT perfusion imaging of the myocardium vs. intracoronary transluminal attenuation gradient in coronary CT angiography for the assessment of coronary artery stenosis
Creators: name: Baur, Isabella
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: Ischaemia / Infarction
subject: Contrast agent-intravenous
subject: CT-Angiography
subject: Cardiac

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: To compare the diagnostic accuracy of dynamic first pass CT perfusion(CTP) imaging and the transluminal attenuation gradient derived from coronary CT angiography in the assessment of coronary artery...
Magnetic Fields in the Milky Way and in Galaxies (revised version of September 2023)
Creators: name: Beck, Rainer
name: Wielebinski, Richard
Publisher: name: arXiv
Year: 2013
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences
subject: J.2
subject: 85-00

description: Most of the visible matter in the Universe is ionized, so that cosmic magnetic fields are quite easy to generate and due to the lack of magnetic monopoles hard to destroy. Magnetic fields have been measured in or around practically all celestial objects, either by in-situ measurements of spacecrafts or by the electromagnetic radiation of embedded cosmic rays, gas, or dust. The Earth, the Sun, solar planets, stars, pulsars, the Milky Way, nearby galaxies, distant radio galaxies, quasars, and even intergalactic space in clusters of galaxies have significant magnetic fields. Even larger volumes of the Universe may be permeated by so-far invisble magnetic fields. Information on cosmic magnetic fields has increased enormously as the result of the rapid development of observational methods, especially in radio astronomy. In the Milky Way, a wealth of magnetic phenomena was discovered that are only partly related to objects visible in other spectral ranges. The large-scale structure of the Milky Way's magnetic field is still under debate. The available data for external spiral galaxies can well be explained by field amplification and ordering via the dynamo mechanism. The measured field strengths and the similarity of field patterns and flow patterns of the diffuse ionized gas give strong indication that galactic magnetic fields are dynamically important. They may affect the formation of spiral arms, outflows, and the general evolution of galaxies. In spite of our increasing knowledge on magnetic fields, many important questions on the origin and evolution of magnetic fields, like their first occurrence in young galaxies or the existence of large-scale intergalactic fields, remain unanswered. Progress can be expected from new-generation radio telescopes like LOFAR and the SKA, for which "cosmic magnetism" is a key science project.
description: Revised version of September 2023, originally published as Chapter 13 in "Planets, Stars and Stellar Systems", Vol. 5: "Galactic Structure and Stellar Populations", ed. G. Gilmore, Springer, Berlin 2013, ISBN 978-90-481-8817-8
Biological age and its value to consumer research
Creators: name: Shaw, Steve
name: Daviet, Remi
name: Nave, Gideon
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Business
subject: Marketing
subject: FOS: Economics and business
subject: Economics
subject: Social and Behavioral Sciences
subject: Psychology
subject: FOS: Psychology

description: We will conduct a proof-of-concept study aiming to evaluate whether (and to what degree) biological aging measures (i.e., epigenetic clocks), provide a better account of consumer activities and spending relative to measures of chronological age. We will use data from the Health and Retirement Study (HRS), a US nationally representative longitudinal study that surveys approximately 20,000 individuals every two years. Our data includes information on health and economic variables from individuals over 50 years of age. The HRS data is free and publicly available, and participants received informed consent, prior to participating,
Realization of the thermal equilibrium in inhomogeneous magnetic systems by the Landau-Lifshitz-Gilbert equation with stochastic noise, and its dynamical aspects
Creators: name: Nishino, Masamichi
name: Miyashita, Seiji
Publisher: name: arXiv
Year: 2015
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: It is crucially important to investigate effects of temperature on magnetic properties such as critical phenomena, nucleation, pinning, domain wall motion, coercivity, etc. The Landau-Lifshitz-Gilbert (LLG) equation has been applied extensively to study dynamics of magnetic properties. Approaches of Langevin noises have been developed to introduce the temperature effect into the LLG equation. To have the thermal equilibrium state (canonical distribution) as the steady state, the system parameters must satisfy some condition known as the fluctuation-dissipation relation. In inhomogeneous magnetic systems in which spin magnitudes are different at sites, the condition requires that the ratio between the amplitude of the random noise and the damping parameter depends on the magnitude of the magnetic moment at each site. Focused on inhomogeneous magnetic systems, we systematically showed agreement between the stationary state of the stochastic LLG equation and the corresponding equilibrium state obtained by Monte Carlo simulations in various magnetic systems including dipole-dipole interactions. We demonstrated how violations of the condition result in deviations from the true equilibrium state. We also studied the characteristic features of the dynamics depending on the choice of the parameter set. All the parameter sets satisfying the condition realize the same stationary state (equilibrium state). In contrast, different choices of parameter set cause seriously different relaxation processes. We show two relaxation types, i.e., magnetization reversals with uniform rotation and with nucleation.
description: 30pages, 11 figures
title: Rectal MRI: how to do it and what is it for?
Creators: name: Ramos Rodriguez, Jose Ramon
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: Cancer
subject: Education
subject: MR
subject: Abdomen

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: -To comment the role of new MR techniques in rectal cancer staging. -To describe how imaging is used to guide surgical and radiation planning. -To use a structured report to accurately assess what clinicians need to know from radiologists in rectal...
Expansion of Iterated Stratonovich Stochastic Integrals of Multiplicity 2 Based on Double Fourier-Legendre Series Summarized by Pringsheim Method
Creators: name: Kuznetsov, Dmitriy F.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics

description: The article is devoted to the expansion of iterated Stratonovich stochastic integrals of second multiplicity into the double series of products of standard Gaussian random variables. The proof of expansion is based on the application of double Fourier-Legendre series and double trigonometric Fourier series summarized by Pringsheim method. The results of the article are generalized to the case of an arbitrary complete orthonormal system of functions in the space $L_2([t, T])$ and $ψ_1(τ), ψ_2(τ)\in L_2([t, T]).$ The considered expansion can be applied to the numerical integration of Ito stochastic differential equations. Some recent results on the expansion of iterated Stratonovich stochastic integrals of multiplicities 3 to 6 are given.
description: 49 pages. Some changes in Section 5. arXiv admin note: substantial text overlap with arXiv:1801.01564; text overlap with arXiv:1712.09516, arXiv:1712.09746, arXiv:1801.00784, arXiv:1801.03195
title: Doppler ultrasound predicts outcome in patients receiving selective internal radiation therapy (SIRT) for hepatic malignancy
Creators: name: Abel, Mark
Publisher: name: European Congress of Radiology
Year: 2015
Subjects: subject: Liver
subject: Ultrasound
subject: Ultrasound-Spectral Doppler
subject: Radiation therapy / Oncology
subject: Cancer

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: The liver is unique in that it is has a dual blood supply, with approximately 75% coming from the hepatic portal vein and the remainder delivered by the hepatic artery. It is also one of the most common sites of metastatic spread, second to the...