cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Galaxy density profiles and shapes -- II. selection biases in strong lensing surveys
Creators: name: Mandelbaum, Rachel
name: van de Ven, Glenn
name: Keeton, Charles R.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: [Abridged] Many current and future astronomical surveys will rely on samples of strong gravitational lens systems to draw conclusions about galaxy mass distributions. We use a new strong lensing pipeline (presented in Paper I of this series) to explore selection biases that may cause the population of strong lensing systems to differ from the general galaxy population. Our focus is on point-source lensing by early-type galaxies with two mass components (stellar and dark matter) that have a variety of density profiles and shapes motivated by observational and theoretical studies of galaxy properties. We seek not only to quantify but also to understand the physics behind selection biases related to: galaxy mass, orientation and shape; dark matter profile parameters such as inner slope and concentration; and adiabatic contraction. We study how all of these properties affect the lensing Einstein radius, total cross-section, quad/double ratio, and image separation distribution. We find significant (factors of several) selection biases with mass; orientation, for a given galaxy shape at fixed mass; cusped dark matter profile inner slope and concentration; concentration of the stellar and dark matter deprojected Sersic models. Interestingly, the intrinsic shape of a galaxy does not strongly influence its lensing cross-section when we average over viewing angles. Our results are an important first step towards understanding how strong lens systems relate to the general galaxy population.
description: 26 pages, 15 figures; paper I at arXiv:0808.2493; accepted for publication in MNRAS (minor revisions); PDF file with full resolution figures at http://www.sns.ias.edu/~rmandelb/paper2.pdf
Jetted radio-quiet quasars at z>5
Creators: name: Sbarrato, Tullia
name: Ghisellini, Gabriele
name: Giovannini, Gabriele
name: Giroletti, Marcello
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We report on the JVLA observations of three high redshift Active Galactic Nuclei (AGN), having a black hole mass estimated to be among the largest known. Two of them, SDSS J0100+2802 and SDSS J0306+1853 at redshift 6.326 and 5.363 respectively, are radio-quiet AGN according to the classic definition, while the third (B2 1023+25 at z=5.284) is a powerful blazar. The JVLA data clearly show a radio structure in the first source, and a radio emission with a relatively steep radio spectrum in the second one, demonstrating the presence of a radio jet and a diffuse component. Therefore, being radio-quiet does not exclude the presence of a powerful relativistic jet with important consequences on the population studies and on the ratio between jetted and non-jetted AGN. We can estimate the viewing angle of these jets, and this allows us to find, albeit with some uncertainty, the density of black holes with a mass in excess of $10^{10}M_\odot$ at high redshifts. We found that their density in jetted AGN is very large in the redshift bin 5-6, comparable with the overall AGN population of the same optical luminosity. Jets might thus play a crucial role in the fast formation and evolution of the most massive black holes in the early Universe. They are more common than what expected from wide radio surveys with mJy flux sensitivity. Deeper JVLA or VLBI observations are key to discover a possible relativistic jet population hiding in plain sight at very high-redshift. The discovery of powerful relativistic jets associated with the most massive black holes in the early Universe re-opens the question: is the jet instrumental for a rapid growth of the black hole or instead is the black hole mass the main driver for the jet formation?
description: In press on A&A. 13 pages, 9 figures, 5 tables
Cicada macrophthalma Stal 1854
Creators: name: Ruschel, Tatiana Petersen
name: Paladini, Andressa
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Cicadidae
Cicada
Cicada macrophthalma

description: Cicada macrophthalma Stål, 1854[synonym junior of
Selymbria stigmatica (Germar, 1834)]
Female (photographs of type from NHRS): Brasil \\ Typus \\ macro- \ phthalma \ Stål. Typ. \\ stigmatica Germ. \ ex. Typ. A \ Schama misjum \\ NHRS-GULI \ 000046992.
description: Published as part of Ruschel, Tatiana Petersen & Paladini, Andressa, 2024, Selymbria Stål, 1861 (Hemiptera: Cicadidae: Tibicininae): description of a new species with notes on the genus taxonomy and distribution, pp. 1-13 in Papéis Avulsos de Zoologia 64 on page 6, DOI: 10.11606/1807-0205/2024.64.003, http://zenodo.org/record/10552187
Production with industry of small-size u-RWELLs
Creators: name: Bencivenni, G
name: Giovannetti, M
name: Morello, G
name: Poli Lener, M
Publisher: name: Zenodo
Year: 2023
Subjects: WP7

description: The challenges posed by forthcoming High-Energy Physics experiments, require the development of particle detection technologies easily engineered and compatible with industrial-scale production. The micro-RWELL, a resistive Micro-Pattern-Gaseous-Detector based on sequential build-up technology, effectively meets these demands. This report addresses the technology transfer of the micro-RWELL detector to ELTOS SpA, an industry specialized in Printed Circuit Board manufacturing.
Identification of the Mo₃S₄ intercalation system in lithium batteries made with natural MoS₂
Creators: name: Mulhern, Peter John
Publisher: name: University of British Columbia
Year: 2010

description: Investigations of the lithium/molybdenum disulfide intercalation battery showed that naturally occurring molybdenite, MoS₂, from the Endako mines had a type of capacity not found in synthetic MoS₂. The behaviour of this extra capacity was examined and attempts were made to find its source. Materials were synthesized that could indirectly produce the same electrochemical behaviour, and in-situ X-ray diffraction determined MO₃S₄ to be the crystal responsible for this capacity. The lithium/Mo₃Si, system was found to be an intercalation battery with an energy density of about 275 watt-hours per kilogram of cathode material. Over half of the capacity was at 2.09V in a first order phase transition which did not greatly alter the host lattice. Most of the remaining capacity was divided evenly between regions of continuous lattice expansion near 2.46V and 2.05V.
Dihadron fragmentation functions for large invariant mass
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2011
Subjects: hep-ph

description: Using perturbative quantum chromodynamics, we compute dihadron fragmentation functions for a large invariant mass of the dihadron pair. The main focus is on the interference fragmentation function H1, which plays an important role in spin physics of the nucleon. Our calculation also reveals that H1 and the Collins fragmentation function have closely related underlying dynamics. By considering semi-inclusive deep-inelastic scattering, we further show that collinear factorization in terms of dihadron fragmentation functions and collinear factorization in terms of single-hadron fragmentation functions provide the same result in the region of intermediate invariant mass. © 2011 American Physical Society.
A Cosmic Ray Muon Spectrometer Using Pressurized Gaseous Cherenkov Radiators
Creators: name: Bae, Junghyun
name: Chatzidakis, Stylianos
Publisher: name: arXiv
Year: 2021
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: In this work, we propose a new approach to cosmic ray muon momentum measurement using multiple pressurized gaseous Cherenkov radiators. Knowledge of cosmic ray muon momentum has the potential to significantly improve and expand the use of a variety of recently developed muon-based radiographic techniques. However, existing muon tomography systems rely only on muon tracking and have no momentum measurement capabilities which reduces the image resolution and requires longer measurement times. A fieldable cosmic ray muon spectrometer with momentum measurement capabilities for use in muon scattering tomography is currently missing. We address this challenge by optimally varying the pressure of multiple gaseous Cherenkov radiators and identifying the radiators that are triggered by muons that have momentum higher than the Cherenkov threshold momentum. We evaluate the proposed concept through Geant4 simulations and demonstrate that the cosmic ray muon momentum spectrum can be reconstructed with sufficient accuracy and resolution for two scenarios: (i) a perfect Cherenkov muon spectrometer and (ii) a practical spectrometer where noise is introduced in the form of scintillation and transition radiation photons. To quantify the accuracy of spectrometer, the concept of true and false classifications are introduced. The fraction of true classification is investigated for each momentum level in a practical radiator. The average classification rate for momentum range of 0.2 to 7.0 GeV/c with uncertainty of 1 GeV/c is approximately 85%.
On the distribution of imaginary parts of zeros of the Riemann zeta function, II
Creators: name: Ford, Kevin
name: Soundararajan, K.
name: Zaharescu, Alexandru
Publisher: name: arXiv
Year: 2008
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11M26; 11K38

description: We continue our investigation of the distribution of the fractional parts of $a γ$, where $a$ is a fixed non-zero real number and $γ$ runs over the imaginary parts of the non-trivial zeros of the Riemann zeta function. We establish some connections to pair correlation functions and the distribution of primes in short intervals. We also discuss analogous results for a more general L-function. This is a sequel to the paper math.NT/0405459.
description: v3. 19 pages, 3 figures. Minor corrections
Resistance exercise recovery morphology and AQP1 expression in denervated soleus muscle of Wistar rats
Creators: name: Lovison, Keli
name: Vieira, Lizyana
name: Kunz, Regina Inês
name: Da Silva Scarton, Suellen Ribeiro
name: Antunes, Juliana Sobral
name: Karvat, Jhenifer
name: Peretti, Ana Luiza
name: Bertolini, Gladson Ricardo Flor
name: Brancalhão, Rose Meire Costa
name: Leme Beu, Célia Cristina
name: Ribeiro, Lucinéia De Fátima Chasko
Publisher: name: Motricidade
Year: 2018

description: It was our objective to analyse the effects of resistance exercise (climbing steps), which was started in the acute phase, on the histomorphometry and the expression of aquaporin 1 (AQP1) in the soleus muscle after sciatic nerve injury in Wistar rats. Twenty-four adult rats were randomly divided into the following four groups, containing six animals each: control (G1); exercise (G2); injury (G3); and exercise with injury (G4). Three days after the compression of the sciatic nerve, the animals in G2 and G4 were submitted to resistance exercise for 21 non-consecutives days. The exercise was conducted in two series of 10 consecutive ascents of the ladder, with an additional weight of 100g and with an interval of 60 seconds between sets for rest. After this period, the animals were sacrificed, and the soleus muscle was processed. The number of blood capillaries in G3 was 65.7% and 76.86% higher when compared with the G2 and G4, respectively. The morphological analysis revealed muscle damage in G3, hypertrophy in G2 and significant improvement in the muscle in G4. The AQP1 was immunolocalized in the endothelium of blood capillaries present in the muscle fibres, with different expressions in the groups. Resistance exercise initiated in the acute phase was an effective therapeutic modality in the recovery of morphological aspects in the soleus muscle after denervation.
description: Motricidade, Vol 14 No 1 (2018): Motricidade
Global analysis of data on the spin-orbit-coupled A 1Σu+ and b 3Πu states of Cs2
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2011
Subjects: physics.atom-ph
physics.chem-ph

description: We present experimentally derived potential curves 1?and spin-orbit interaction functions for the strongly perturbed AΣu+ 3?and bΠu states of the cesium dimer. The results are based on data from several sources. Laser-induced fluorescence Fourier transform spectroscopy (LIF FTS) was used some time ago in the Laboratoire Aimé Cotton primarily to study the XΣg+ state. More recent work at Tsinghua University provides information from moderate 3?resolution spectroscopy on the lowest levels of the bΠ0u± state as well as additional high-resolution data. From Innsbruck University, we have precision data obtained with cold Cs2 molecules. Recent data from Temple University was obtained using the optical-optical double resonance polarization spectroscopy technique, and finally, a group at the University of Latvia has added additional LIF FTS data. In the Hamiltonian matrix, we have used analytic potentials (the expanded Morse oscillator form) with both finite-difference (FD) coupled-channel and discrete variable representation (DVR) calculations of the term values. Fitted diagonal and off-diagonal spin-orbit functions are obtained and compared with ab initio results from Temple and Moscow State universities. © 2011 American Physical Society.
Observational signatures of f(R) dark energy models that satisfy cosmological and local gravity constraints
Creators: name: Tsujikawa, Shinji
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We discuss observational consequences of f(R) dark energy scenarios that satisfy local gravity constraints (LGC) as well as conditions of the cosmological viability. The model we study is given by m(r)=C(-r-1)^p (C>0, p>1) with m=Rf_{,RR}/f_{,R} and r=-Rf_{,R}/f, which cover viable f(R) models proposed so far in a high-curvature region designed to be compatible with LGC. The equation of state of dark energy exhibits a divergence at a redshift z_c that can be as close as a few while satisfying sound horizon constraints of Cosmic Microwave Background (CMB). We study the evolution of matter density perturbations in details and place constraints on model parameters from the difference of spectral indices of power spectra between CMB and galaxy clustering. The models with p>5 can be consistent with those observational constraints as well as LGC. We also discuss the evolution of perturbations in the Ricci scalar R and show that an oscillating mode (scalaron) can easily dominate over a matter-induced mode as we go back to the past. This violates the stability of cosmological solutions, thus posing a problem about how the over-production of scalarons should be avoided in the early universe.
description: 13 pages, 7 figures, version to appear in Physical Review D
D4.3.2 Report on the application of the models linking oceanographic processes and management questions
Creators: name: Gianni, Fabrizio
name: Bandelj, Vinko
name: Cataletto, Bruno
name: Manea, Elisabetta
name: Bergami, Caterina
name: Bongiorni, Lucia
name: Oggioni, Alessandro
name: Pugnetti, Alessandra
name: Ciriaco, Saul
name: Franzosini, Carlo
name: Caramori, Graziano
name: Partnership, The ECOSS
Publisher: name: Zenodo
Year: 2021

description: This deliverable aims to use the relevant oceanographic and ecological data available for the area to test the links among oceanographic processes, explanatory variable, ES, performance indicators and management questions relevant for ecological processes. To protect these sites and the services they provide, these models will be used to understand and predict how the man-induces changes and the resource exploitation could affect the ecological processes at different spatial and temporal scales. The development of case studies on selected Natura 2000 (N2K) sites will also allow testing the usefulness and the relevance of the ecological observing system in the Adriatic Sea (ECOAdS) to support significant management objectives in biodiversity conservation.
description: ECOSS project (Observing System in the Adriatic Sea: oceanographic observations for biodiversity) is an EU 2014–2020 Interreg V-A Italy-Croatia CBC programme ID number 10042301
Domain Wall/Cosmology correspondence in (AdS/dS)_6 x S^4 geometries
Creators: name: Vaula, Silvia
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate the ten dimensional origin of six dimensional F_4 variant supergravity with supersymmetric de Sitter background. We address first the issue of spontaneous compactification, showing that it consists of a warped compactification on a four sphere of a variant massive type IIA supergravity. Moreover we illustrate how the known D4-D8 brane solution, whose near horizon geometry yields AdS_6 x S^4, is accordingly modified to a system including Euclidean branes. Finally, we discuss the relation between this latter solution and the D4-D8 brane system, showing how it represents a generalisation of the DW/Cosmology correspondence.
description: 11 pages, LaTeX
Selymbria subolivacea
Creators: name: Ruschel, Tatiana Petersen
name: Paladini, Andressa
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Cicadidae
Selymbria
Selymbria subolivacea

description: Selymbria subolivacea (Stål, 1862)
Female (photographs of type from NHRS): Rio Jan. \\ F. Sahbb. \\ Typus \\ subolivacea Stål \\ NHRS-GULI \ 000046991.
description: Published as part of Ruschel, Tatiana Petersen & Paladini, Andressa, 2024, Selymbria Stål, 1861 (Hemiptera: Cicadidae: Tibicininae): description of a new species with notes on the genus taxonomy and distribution, pp. 1-13 in Papéis Avulsos de Zoologia 64 on page 6, DOI: 10.11606/1807-0205/2024.64.003, http://zenodo.org/record/10552187
Surface quotients of hyperbolic buildings
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2012
Subjects: math.GR
math.GT

description: Let Ip,v be Bourdon's building, the unique simply connected 2-complex such that all 2-cells are regular right-angled hyperbolic p-gons and the link at each vertex is the complete bipartite graph Kv,v. We investigate and mostly determine the set of triples (p,v,g) for which there exists a uniform lattice Γ=Γp,v,g in Aut(Ip,v) such that ΓIp,v is a compact orientable surface of genus g. Surprisingly, for some p and g the existence of Γp,v,g depends upon the value of v. The remaining cases lead to open questions in tessellations of surfaces and in number theory. Our construction of Γp,v,g as the fundamental group of a simple complex of groups, together with a theorem of Haglund, implies that for p ≥ 6 every uniform lattice in Aut(I p,v) contains a surface subgroup. We use elementary group theory, combinatorics, algebraic topology, and number theory. © 2011 The Author(s). Published by Oxford University Press. All rights reserved.
Stratification of the level of aerobic fitness based on heart rate variability parameters in adult males at rest
Creators: name: Materko, Wollner
Publisher: name: Motricidade
Year: 2018

description: This study aimed to determine a model for stratifying the maximum oxygen uptake (VO2max) based on heart rate variability (HRV) parameters at rest. It was applied 70 young adult physically active male. After recording the resting tachogram with a heart rate monitor for 5 min, a maximal incremental test was performed to measure VO2max. Based on VO2max percentile, participants were divided into two groups of 35: high (HG) and low (LG) aerobic fitness group. Groups were compared according to: (1) VO2max; (2) Classical HRV parameters and the cardiac deceleration rate (CDR). HG presented significant higher VO2max than LG (48.61 ± 6.70 vs 34.62 ± 3.81 ml.kg-1.min-1). The HG higher values in the time domain HRV parameters, as well as in the high frequency contents in the frequency domain. Also, CDR index was significant higher for HG than LG (p<0.01). The model for predicting VO2max was obtained by backward stepwise multivariate logistic regression assuming as independent variables CDR and pNN50. This model presented 85.74% positive predictive value, 88.51% negative predictive value and 87.16% total accuracy. In conclusion, the use of the proposed model was able to stratify the level of aerobic fitness in young healthy adult males at rest.
description: Motricidade, Vol 14 No 1 (2018): Motricidade
Vortex avalanches in the non-centrosymmetric superconductor Li2Pt3B
Creators: name: Miclea, C. F.
name: Mota, A. C.
name: Sigrist, M.
name: Steglich, F.
name: Sayles, T. A.
name: Taylor, B. J.
name: McElroy, C.
name: Maple, M. B.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We investigated the vortex dynamics in the non-centrosymmetric superconductor Li_2Pt_3B in the temperature range 0.1 K - 2.8 K. Two different logarithmic creep regimes in the decay of the remanent magnetization from the Bean critical state have been observed. In the first regime, the creep rate is extraordinarily small, indicating the existence of a new, very effective pinning mechanism. At a certain time a vortex avalanche occurs that increases the logarithmic creep rate by a factor of about 5 to 10 depending on the temperature. This may indicate that certain barriers against flux motion are present and they can be opened under increased pressure exerted by the vortices. A possible mechanism based on the barrier effect of twin boundaries is briefly discussed.
title: Visual Abstraction and Ordering in Faceted Browsing of Text Collections
Creators: name: Thai, VinhTuan
name: Handschuh, Siegfried
Publisher: name: University of Galway
Year: 2010
Subjects: subject: Graphical user interfaces
subject: Information interfaces and presentation
subject: DERI

description: While faceted navigation interfaces can assist users in exploring an information collection, there is yet little support for users in choosing a relevant item from the set of items returned from a filtering process. In this paper, we propose using a multi-dimensional visualization as an alternative to the linear listing of focus items. We describe how visual abstraction based on a combination of structural equivalence and conceptual structure can be used to deal with a large number of items, as well as visual ordering based on the importance of facet values to support cross-facets comparison of focus items. This visual support for faceted browsing has been developed for visual exploration of text collections.
Accelerated kinetic Monte Carlo algorithm for diffusion limited kinetics
Creators: name: Tokar, V. I.
name: Dreyssé, H.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: If a stochastic system during some periods of its evolution can be divided into non-interacting parts, the kinetics of each part can be simulated independently. We show that this can be used in the development of efficient Monte Carlo algorithms. As an illustrative example the simulation of irreversible growth of extended one dimensional islands is considered. The new approach allowed to simulate the systems characterized by parameters superior to those used in previous simulations.
description: 4 pages, 4 figures, to be published in Phys. Rev. E
A treatment-based classification approach to examination and intervention of lumbar disorders
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2011
Subjects: low back pain
lumbar
sports
treatment-based classification

description: Context: Low back injuries are a common occurrence in athletes and often result in missed competition and practice time. The examination of athletes with low back pain commonly involves diagnostic imaging, which rarely guides the clinician in selecting the appropriate interventions. Data Acquisition: All years of PubMed, CINAHL, PEDro, and SPORTDiscus were searched in December 2010. Keywords included treatment based classification and lumbar with the following terms: rehabilitation, treatment, athlete, low back pain, sports, and outcomes. Results: A treatment-based classification approach is preferred for the management of the athlete with low back pain. The treatment-based classification approach involves 3 steps. First is to screen the patient for potentially serious conditions that are not appropriate for conservative management. Second is staging the athlete (based on current disability ratings and ability to perform functional activities). Finally, treatment interventions are selected on the basis of the athlete's signs and symptoms. Conclusion: The treatment-based classification scheme provides the clinician with a reliable algorithm for matching an athlete's symptom presentation to the optimal intervention, potentially reducing participation loss. Managing individuals with low back pain using a treatment-based classification approach significantly reduces disability and pain compared with current clinical practice guideline standards. © 2011 The Author(s).
High level of Brazilian men´s volleyball: characterization and difference of predictive factors of back row attack
Creators: name: Conti, Gustavo De Conti Teixeira Costa
name: Castro, Henrique De Oliveira Castro
name: Freire, Auros Barreiros Freire
name: Evangelista, Breno Ferreira Evangelista
name: Pedrosa, Gustavo Ferreira Pedrosa
name: Ugrinowitsch, Herbert Ugrinowitsch
name: Praça, Gibson Moreira Praça
Publisher: name: Motricidade
Year: 2018

description: This study aimed to identify the predictive factors of attacks, performed from positions 1 and 6 according to the effect of reception in high level Brazilian male volleyball and to find the predictive factors that differentiate the game practiced from these positions. The sample consisted in the observation of 142 games of the Brazilian Men's Super League, totalling 2969 actions of reception, setting and attack from positions 1 and 6. The significance value adopted was 5% (p ≤ 0.05). The analysis of the predictive factors of the game performed by the attacker of position 1 showed greater chances to score after an excellent (odds ratio adjusted – ORA = 1.48) and moderate effect of reception (ORA = 1.31), the second attack tempo (ORA = 1.32), the powerful attack in parallel (ORA = 1.91) and in diagonal (ORA =3.44). The attacker of position 6 showed higher chances of scoring after a high effect of reception (ORA = 3.39) and powerful attack in the parallel (ORA = 1.53). In conclusion, regardless the effect of reception, the use of the back-row attackers is recommended to increase the uncertainty on the opposing team and the chances to score.
description: Motricidade, Vol 14 No 1 (2018): Motricidade
On the Friction Stir Processing of Additive-Manufactured 316L Stainless Steel
Creators: name: Sajadifar, Seyed Vahid
name: Hosseinzadeh, Ali
name: Richter, Julia
name: Krochmal, Marcel
name: Wegener, Thomas
name: Bolender, Artjom
name: Heidarzadeh, Akbar
name: Niendorf, Thomas
name: Yapici, Guney Guven
Publisher: name: Universität Kassel
Year: 2022
Subjects: subject: laser powder bed fusion
subject: friction stir processing
subject: microstructure
subject: strength
subject: mechanical properties
subject: fracture
subject: 620
subject: Selektives Laserschmelzen
subject: Rührreibschweißen
subject: Rapid Prototyping
subject: Mikrostruktur
subject: Festigkeit
subject: Mechanische Eigenschaft
subject: Bruch

description: This is the peer reviewed version of the following article: On the Friction Stir Processing of Additive‐Manufactured 316L Stainless Steel. Advanced Engineering Materials 24, 10 p2200384 (2022), which has been published in final form at https://doi.org/10.1002/adem.202200384.
Particle renormalizations in presence of dissipative environments
Creators: name: Kagalovsky, Victor
name: Horovitz, Baruch
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study the Aharonov-Bohm oscillations of a charged particle on a ring of radius R coupled to a dirty metal environment. With Monte-Carlo methods we evaluate the curvature of these oscillations which has the form 1/M*R^2, where M* is an effective mass. We find that at low temperatures T the curvature approaches at large R>l an R independent M*>M, where l is the mean free path in the metal. This behavior is also consistent with perturbation theory in the particle - metal coupling parameter. At finite temperature T we identify dephasing lengths that scale as T^{-1} at R>l and as T^{-1/4} at R<
description: 7 pages, 6 figures. Revised version has extended the numerical data with some modified conclusions
Molecular-ion trap-depletion spectroscopy of BaCl+
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2011
Subjects: physics.atom-ph
physics.chem-ph

description: We demonstrate a simple technique for molecular-ion spectroscopy. BaCl + molecular ions are trapped in a linear Paul trap in the presence of a room-temperature He buffer gas and photodissociated by driving an electronic transition from the ground X 1Σ+ state to the repulsive wall of the A 1Π state. The photodissociation spectrum is recorded by monitoring the induced trap loss of BaCl+ ions as a function of excitation wavelength. Accurate molecular potentials and spectroscopic constants are determined. A comparison of the theoretical photodissociation cross sections with the measurements shows excellent agreement. This study represents an important step toward the production of ultracold ground-state molecular ions. © 2011 American Physical Society.
Sedentary behaviors and psychological outcomes among older adults: a systematic review
Creators: name: Ramalho, André
name: Petrica, João
name: Rosado, António
Publisher: name: Motricidade
Year: 2018

description: This systematic review aimed to synthesize the scientific evidence about the relationship between sedentary behaviours and various psychological outcomes in older adults. The study searches were conducted in the following databases: PubMed, PsycINFO, ISI Web of Knowledge and ScienceDirect. We selected 15 observational quantitative studies according to specific eligibility criteria. The data extraction was performed independently by different authors, including the evaluation of the risk of bias of the studies and the classification of the force of evidence. The results showed a tendency of showing no associations between the sedentary behaviours, the well-being and quality of life of the elderly. Concerning life satisfaction and perceived stress, it seems that active sedentary activities have positive effects on these indicators. Evidence has also suggested that some sedentary behaviours may help maintain some cognitive functions in the elderly population, namely in different types of memory. In other studies, it has been demonstrated a tendency that too much time in passive sedentary activities has been associated with depressive symptomatology. However, this review suggested that the evidence is not yet consistent in the relationship between the sedentary behaviours of the elderly and the indicators analysed, and more research is needed.
description: Motricidade, Vol 14 No 1 (2018): Motricidade
In-medium modification and decay asymmetry of omega mesons in cold nuclear matter
Creators: name: Titov, A.
name: Kampfer, B.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We discuss an asymmetry of the decay $ω->e^+e^-$ in nuclear matter with respect to the electron and positron energies. This asymmetry is sensitive to the properties of the $ω$ meson self-energy and, in particular, it has a non-trivial dependence on the $ω$ energy and momentum. Therefore, this asymmetry may serve as a powerful tool in studying the properties of the $ω$ meson in the nuclear medium.
description: 19 pages, 9 figures
Identifying AGN host galaxies by Machine Learning with HSC+WISE
Creators: name: Chang, Yu-Yen
name: Hsieh, Bau-Ching
name: Wang, Wei-Hao
name: Lin, Yen-Ting
name: Lim, Chen-Fatt
name: Toba, Yoshiki
name: Zhong, Yuxing
name: Chang, Siou-Yu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We use machine learning techniques to investigate their performance in classifying active galactic nuclei (AGNs), including X-ray selected AGNs (XAGNs), infrared selected AGNs (IRAGNs), and radio selected AGNs (RAGNs). Using known physical parameters in the Cosmic Evolution Survey (COSMOS) field, we are able to well-established training samples in the region of Hyper Suprime-Cam (HSC) survey. We compare several Python packages (e.g., scikit-learn, Keras, and XGBoost), and use XGBoost to identify AGNs and show the performance (e.g., accuracy, precision, recall, F1 score, and AUROC). Our results indicate that the performance is high for bright XAGN and IRAGN host galaxies. The combination of the HSC (optical) information with the Wide-field Infrared Survey Explorer (WISE) band-1 and WISE band-2 (near-infrared) information perform well to identify AGN hosts. For both type-1 (broad-line) XAGNs and type-1 (unobscured) IRAGNs, the performance is very good by using optical to infrared information. These results can apply to the five-band data from the wide regions of the HSC survey, and future all-sky surveys.
description: accepted for publication in ApJ
Oxygen enhancement ratio of heavy ions in partial hypoxic conditions
Creators: name: Durante, M.
name: Tinganelli, W.
name: Scifoni, E.
name: Hirayama, R.
name: Ozaki, M.
name: Kaneko, Y.
name: Maier, A.
name: Hirayama, R.
name: Furusawa, Y.
Publisher: name: GSI Helmholtzzentrum fuer Schwerionenforschung, Darmstadt
Year: 2014
Subjects: Physics

description: GSI Scientific Report 2013 - GSI Report 2014-1
A short proof of the Khukhro--Makarenko theorem on large characteristic subgroups with laws
Creators: name: Klyachko, Anton A.
name: Melnikova, Yulia B.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 20e36,20f12,20f16,20f18,20f19,20e10

description: We give a short proof and some strengthening of the Khukhro--Makarenko theorem that each group virtually satisfying an outer commutator identity contains a finite-index characteristic subgroup satisfying this identity. An estimate for the index of this characteristic subgroup is obtained.
description: 2 pages. A Russian version of this paper is at http://mech.math.msu.su/department/algebra/staff/klyachko/papers.htm . V2: the bound is corrected
Laplace surface dynamics, revisited: satellites, exo-planets and debris with distant, eccentric companions
Creators: name: Farhat, Mohammad
name: Touma, Jihad
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: To date, studies of $\textit{Laplace Surface}$ dynamics have concerned themselves with test particle orbits of fixed shape and orientation in the combined field of an oblate central body (to which the particle is bound) and a distant, inclined, companion which is captured to quadrupolar order. While amply sufficient for satellites around planets on near-circular orbits, the quadrupolar approximation fails to capture essential dynamical features induced by a wide binary companion (be it a star, a planet or a black hole) on a fairly eccentric orbit. With similar such astronomical settings in mind, we extend the classical Laplace framework to higher multipoles, and map out the backbone of stationary orbits, now complexified by the broken axial symmetry. Eccentric and inclined Laplace equilibria, which had been presaged in systems of large enough mutual inclination, are here delineated over a broad range of mutually inclined perturbations. We recover them for test particles in the field of a hot Jupiter and a wide eccentric stellar binary, highlighting their relevance for the architecture of multi-planet systems in binaries. We then extend and deploy our machinery closer to home, as we consider the secular dynamics of Trans-Neptunian Objects (TNOs) in the presence of a putative ninth planet. We show how generalized Laplace equilibria seed islands for Trans-Neptunian objects to be sheltered around, islands within chaotic seas which we capture via Poincar$é$ sections, while highlighting a beautiful interplay between Laplace and Kozai-Lidov secular dynamical structures. An eminently classical tale revived for the exo-planetary 21st century!
description: 16 pages, 15 figures
Proceedings of the  6th International Symposium on Strength & Conditioning (2017)
Creators: name: Reis, Victor Machado
name: Aidar, Felipe José
name: Carneiro, André Luiz
name: Costa, Mário Jorge
name: Morais, Jorge
name: Neiva, Henrique
name: Letieri, Rubens Vinicius
name: Tucher, Guilherme
name: Garrido, Nuno Domingos
Publisher: name: Motricidade
Year: 2018

description: The papers published in these proceedings were submitted to the Scientific Commission of the 6th International Symposium on Strength and Physical Conditioning, held on September 2 and 3, 2017, at the Universitary Centre Estácio of Ceará, Fortaleza, Brazil. Authors are exclusively responsible for the content of the manuscript published. The editors and the Scientific Committee of the 6th International Symposium on Strength and Physical Conditioning assume no responsibility for the opinions and statements expressed by the authors. Partial reproduction of the texts and their use without commercial purposes is allowed, provided that the source/reference is duly mentioned.
description: Motricidade, Vol 14 No 1 (2018): Motricidade
Formality Theorem for Hochschild Cochains via Transfer
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2011
Subjects: operads
formality theorems
homotopy algebras

description: We construct a 2-colored operad Ger∞+ which, on the one hand, extends the operad Ger∞ governing homotopy Gerstenhaber algebras and, on the other hand, extends the 2-colored operad governing open-closed homotopy algebras. We show that Tamarkin's Ger∞-structure on the Hochschild cochain complex C•(A, A) of an A∞-algebra A extends naturally to a Ger∞+-structure on the pair (C•(A, A), A). We show that a formality quasi-isomorphism for the Hochschild cochains of the polynomial algebra can be obtained via transfer of this Ger∞+-structure to the cohomology of the pair (C•(A, A), A). We show that Ger∞+ is a sub DG operad of the first sheet E1(SC) of the homology spectral sequence for the Fulton-MacPherson version SC of Voronov's Swiss Cheese operad. Finally, we prove that the DG operads Ger∞+ and E1(SC) are non-formal. © 2011 Springer.
Hidden water in magma ocean exoplanets
Creators: name: Dorn, Caroline
name: Lichtenberg, Tim
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We demonstrate that the deep volatile storage capacity of magma oceans has significant implications for the bulk composition, interior and climate state inferred from exoplanet mass and radius data. Experimental petrology provides the fundamental properties on the ability of water and melt to mix. So far, these data have been largely neglected for exoplanet mass-radius modeling. Here, we present an advanced interior model for water-rich rocky exoplanets. The new model allows us to test the effects of rock melting and the redistribution of water between magma ocean and atmosphere on calculated planet radii. Models with and without rock melting and water partitioning lead to deviations in planet radius of up to 16% for a fixed bulk composition and planet mass. This is within current accuracy limits for individual systems and statistically testable on a population level. Unrecognized mantle melting and volatile redistribution in retrievals may thus underestimate the inferred planetary bulk water content by up to one order of magnitude.
description: 13 pages, 5 figures, ApJL, video summary can be found here: https://bit.ly/DornLichtenberg21video
Investigations on two-particle correlations in $p+^{93}Nb$ collisions at $E_{kin} = 3.5$ GeV
Creators: name: Arnold, O.
name: Fabbietti, L.
Publisher: name: GSI Helmholtzzentrum fuer Schwerionenforschung, Darmstadt
Year: 2014
Subjects: Physics

description: GSI Scientific Report 2013 - GSI Report 2014-1
The rational homotopy type of a blow-up in the stable case
Creators: name: Lambrechts, Pascal
name: Stanley, Don
Publisher: name: arXiv
Year: 2007
Subjects: subject: Algebraic Topology (math.AT)
subject: Symplectic Geometry (math.SG)
subject: FOS: Mathematics
subject: 55P62; 53D05

description: Suppose that f:V->W is an embedding of closed oriented manifolds whose normal bundle has the structure of a complex vector bundle. It is well known in both complex and symplectic geometry that one can then construct a manifold W' which is the blow-up of W along V. Assume that dim(W)>2.dim(V)+2 and that H^1(f) is injective. We construct an algebraic model of the rational homotopy type of the blow-up W' from an algebraic model of the embedding and the Chern classes of the normal bundle. This implies that if the space W is simply connected then the rational homotopy type of W' depends only on the rational homotopy class of f and on the Chern classes of the normal bundle.
Hunting for $K^{*+}$ in pp and pNb reactions
Creators: name: Mihaylov, D.
name: Fabbietti, L.
name: Lapidus, K.
Publisher: name: GSI Helmholtzzentrum fuer Schwerionenforschung, Darmstadt
Year: 2014
Subjects: Physics

description: GSI Scientific Report 2013 - GSI Report 2014-1
Flow predisposition in Brazilian rugby athletes
Creators: name: Silva, Gisele Maria
name: Gomes, Simone Salvador
name: Zanetti, Marcelo Callegari
name: Brandão, Maria Regina Ferreira
Publisher: name: Motricidade
Year: 2018

description: Flow describes a mental state in which people seem to flow when they demonstrate a productive and motivated effort. This study sought to understand the significance that rugby athletes attribute to the flow state, the perception of the phenomena in the sports practice and the implications on performance. For that, 8 male athletes participated in the study, representing the juvenile and senior teams submitted to a semi-structured interview. The results indicated that flow occurs in situations that present balance between personal skills and challenges in sports activity. Success in the game, positive emotions, support/encouragement, recognition and overcoming were aspects that marked the experience elected as special. Making use of psychological strategies, high levels of concentration, feeling prepared for the game and positive emotions were cited as fundamental in achieving flow in the game. On the other hand, some aspects, besides causing harm, interrupted the flow: negative emotions, not perceiving one's self as prepared for the challenge, concentration problems, intragroup difficulties. Negative emotions and the feeling that one is not prepared for the challenge were aspects mentioned only by juvenile athletes. The athletes´ speech showed that although they could not describe the flow, they had already experienced this psychological state.
description: Motricidade, Vol 14 No 1 (2018): Motricidade
Measurements of the Stark widths of N II and N III spectral lines at variable electron densities
Creators: name: Purcell, Stephen T.
Publisher: name: University of British Columbia
Year: 2010

description: The Stark widths of seventeen N II and ten N III spectral lines, emitted by plasmas with free electron densities of .9 ± .1 x 10¹⁷, 2.2 ± .3 x 10¹⁷ and 2.9 ± .4- x 10¹⁷ cm⁻¹³, were measured. Nine of the N II linewidths and four of the N III linewidths have not been previously measured. The plasma source was a wall stabilized discharge filled with 50% helium and 50% nitrogen. The different electron densities were produced by varying the filling pressure and charging voltage. The electron temperature was determined from the intensity ratio of several N II to N III lines. The electron densities were estimated by measuring the Stark widths of He I 5876 and 6678. The nitrogen lines were measured at different plasma conditions to check linear scaling of Stark width vs electron density on the same device. However, the large errors in both the Stark widths and the electron density measurements, about half of which came from appreciable optical depths, made it difficult to check the scaling even over the limited range of this experiment.
THE ROLE OF SMART TECHNOLOGIES IN THE EDUCATIONAL SYSTEM
Creators: name: Djurayev, Iqbol
Publisher: name: Zenodo
Year: 2023

description: The article presents the important aspects of the use of technology in education and allows students to conduct the educational process more effectively. In recent years, rapidly developing technology has also affected the field of education. As a result, technological devices began to be used in education and teaching methods changed.
Integral decomposition for the solutions of the generalized Cattaneo equation
Creators: name: Górska, K.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We present the integral decomposition for the fundamental solution of the generalized Cattaneo equation with both time derivatives smeared through convoluting them with some memory kernels. For power-law kernels $t^{-α}$, $α\in(0,1]$ this equation becomes the time fractional one governed by the Caputo derivatives which highest order is 2. To invert the solutions from the Fourier-Laplace domain to the space-time domain we use analytic methods based on the Efross theorem and find out that solutions looked for are represented by integral decompositions which tangle the fundamental solution of the standard Cattaneo equation with non-negative and normalizable functions being uniquely dependent on the memory kernels. Furthermore, the use of methodology arising from the theory of complete Bernstein functions allows us to assign such constructed integral decompositions the interpretation of subordination. This fact is preserved in two limit cases built into the generalized Cattaneo equations, i.e., either the diffusion or the wave equations. We point out that applying the Efross theorem enables us to go beyond the standard approach which usually leads to the integral decompositions involving the Gaussian distribution describing the Brownian motion. Our approach clarifies puzzling situation which takes place for the power-law kernels $t^{-α}$ for which the subordination based on the Brownian motion does not work if $α\in(1/2,1]$.