cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
1/N-expansion for the Dicke model and the decoherence program
Creators: name: Frasca, Marco
Publisher: name: arXiv
Year: 2003
Subjects: subject: Quantum Physics (quant-ph)
subject: Condensed Matter (cond-mat)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: An analysis of the Dicke model, N two-level atoms interacting with a single radiation mode, is done using the Holstein-Primakoff transformation. The main aim of the paper is to show that, changing the quantization axis with respect to the common usage, it is possible to prove a general result either for N or the coupling constant going to infinity for the exact solution of the model. This completes the analysis, known in the current literature, with respect to the same model in the limit of N and volume going to infinity, keeping the density constant. For the latter the proper axis of quantization is given by the Hamiltonian of the two-level atoms and for the former the proper axis of quantization is defined by the interaction. The relevance of this result relies on the observation that a general measurement apparatus acts using electromagnetic interaction and so, one can states that the thermodynamic limit is enough to grant the appearance of classical effects. Indeed, recent experimental results give first evidence that superposition states disappear interacting with an electromagnetic field having a large number of photons.
description: 7 pages, no figures. Added a reference and some minor corrections. Accepted for publication in Annals of Physics
On the Earthshine depicted in Galileo's watercolors of the Moon
Creators: name: Molaro, Paolo
Publisher: name: arXiv
Year: 2017
Subjects: subject: History and Philosophy of Physics (physics.hist-ph)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: With the manuscript of the Sidereus Nuncius preserved at the Biblioteca Nazionale of Florence are included 7 watercolors of the Moon painted by Galileo himself. We suggest that some of them, and in particular the drawing of the 30 Nov 1609 of the very first Moon's observations, illustrate the phenomenon of the Earthshine of the Moon, which was discussed in some detail in the Sidereus Nuncius to provide evidence of the similarity of Earth to other celestial bodies. The watercolors were used as models for the engraving of the Moon in the Sidereus but, surprisingly, the secondary light had not been reproduced. Galileo may have decided for the inclusion of the passage on the Earthshine only at a very late stage of the editorial process. Galileo's hesitation shows how contentious was this issue already recognized as a possible discriminant between the different systems of the world.
title: Disability in Postsecondary STEM Learning Environments: What Faculty Focus Groups Reveal About Definitions and Obstacles to Effective Support
Creators: name: Bettencourt, Genia
name: Kimball, Ezekiel
name: Wells, Ryan S.
Publisher: name: University of Massachusetts Amherst
Year: 2018
Subjects: subject: Students with disabilities
subject: STEM
subject: faculty
subject: universal design for learning
subject: Disability and Equity in Education
subject: Higher Education

description: Students with disabilities lag behind their peers without disabilities in success outcomes related to access to, persistence within, and completion of postsecondary degree programs (National Center for Education Statistics [NCES], 2017). Faculty play a key role in shaping student success. To date, however, most of the work exploring faculty attitudes and behaviors has drawn from a broad sample (e.g., Buchanan, Charles, Rigler, & Hart, 2010; Kraska, 2003; Jensen, McCray, Krampe, & Cooper, 2004; Rao & Gartin, 2003), with only limited exploration of the attitudes and behaviors of science, technology, engineering, and mathematics [STEM] faculty (e.g., Milligan, 2010; Moon, Utschig, Todd, & Bozzorg, 2011). This study seeks to understand how STEM faculty think about and respond to students with disabilities in order to shape effective interventions. Data were collected through a series of four focus groups with 27 participants across 17 STEM majors including lecturers, pre- and post-tenure, and academic administrators. Key findings from the focus groups illuminated the impact of a formal accommodations process, individual approaches to providing support, and perceptions of the STEM climate towards students with disabilities. Recommendations for research and practice include strengthening support and training for faculty in STEM disciplines while continuing to explore these themes across institutional types.
Persistence with Insulin Therapy in Patients with Type 2 Diabetes in France: An Insurance Claims Study
Creators: name: Roussel, Ronan
name: Charbonnel, Bernard
name: Behar, Mourad
name: Gourmelen, Julie
name: Emery, Corinne
name: Detournay, Bruno
Publisher: name: Adis Journals
Year: 2018
Subjects: subject: Medicine
subject: 110306 Endocrinology
subject: FOS: Clinical medicine

description: Article full text
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Nearby stars from the LSPM-north Proper Motion Catalog. I. Main Sequence Dwarfs and Giants Within 33 Parsecs of the Sun
Creators: name: Lepine, Sebastien
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: A list of 4,131 dwarfs, subgiants, and giants located, or suspected to be located, within 33 parsecs of the Sun is presented. All the stars are drawn from the new LSPM-north catalog of 61,976 stars with annual proper motions larger than 0.15''/yr$. Trigonometric parallax measurements are found in the literature for 1,676 of the stars in the sample; photometric and spectroscopic distance moduli are found for another 783 objects. The remaining 1,672 objects are reported here as nearby star candidates for the first time. Photometric distance moduli are calculated for the new stars based on the (M_V,V-J) relationship, calibrated with the subsample of stars which have trigonometric parallaxes. The list of new candidates includes 539 stars which are suspected to be within 25 parsecs of the Sun, including 63 stars estimated to be within only 15 parsecs. The current completeness of the census of nearby stars in the northern sky is discussed in light of the new candidates presented here. It is estimated that 32% (18%) of nuclear burning stars within 33 parsecs (25 parsecs) of the Sun remain to be located. The missing systems are expected to have proper motions below the 0.15''/yr limit of the LSPM catalog.
description: 13 pages, accepted for publication in the Astronomical Journal
Direct numerical simulation of the oscillatory flow around a sphere resting on a rough bottom
Creators: name: Mazzuoli, Marco
name: Blondeaux, Paolo
name: Simeonov, Julian
name: Calantoni, Joseph
Publisher: name: arXiv
Year: 2017
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: The oscillatory flow around a spherical object lying on a rough bottom is investigated by means of direct numerical simulations of continuity and Navier-Stokes equations. The rough bottom is simulated by a layer/multiple layers of spherical particles, the size of which is much smaller that the size of the object. The period and amplitude of the velocity oscillations of the free stream are chosen to mimic the flow at the bottom of sea waves and the size of the small spherical particles falls in the range of coarse sand/very fine gravel. Even though the computational costs allow only the simulation of moderate values of the Reynolds number characterizing the bottom boundary layer, the results show that the coherent vortex structures, shed by the spherical object, can break-up and generate turbulence, if the Reynolds number of the object is sufficiently large. The knowledge of the velocity field allows the dynamics of the large scale coherent vortices shed by the object to be determined and turbulence characteristics to be evaluated. Moreover, the forces and torques acting on both the large spherical object and the small particles, simulating sediment grains, can be determined and analysed, thus laying the groundwork for the investigation of sediment dynamics and scour developments.
description: 35 pages, 21 figures
Magnetic Amino-Modified Multiwalled Carbon Nanotube (MWCNT) Based Magnetic Dispersive Solid-Phase Extraction (m-dSPE) for the Determination of Paralytic Shellfish Toxins in Bivalve Mollusks with Hydrophilic Interaction Liquid Chromatography–Tandem Mass Spectrometry (HILIC-MS/MS)
Creators: name: Wang, Xu-Feng
name: Wang, Qiang
name: Zhang, Ying-Xia
name: Yang, Jin-Lan
name: Zhao, Dong-Hao
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Chemical Sciences not elsewhere classified
subject: Sociology
subject: FOS: Sociology
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified
subject: Inorganic Chemistry
subject: FOS: Chemical sciences

description: A sensitive and efficient magnetic amino modified multi-walled carbon nanotubes (m-MWCNT-NH2)-based magnetic dispersive solid-phase extraction (m-dSPE) coupled with hydrophilic interaction liquid chromatography–tandem mass spectrometry (HILIC-MS/MS) strategy is reported for the simultaneous determination of 13 paralytic shellfish toxins (PSTs) in bivalve mollusks. The samples were extracted twice with 1% acetic acid and purified using optimized m-dSPE procedures with Fe3O4 coated MWCNT-NH2 composites as magnetic adsorbents. The adsorbed PSTs on the m-MWCNT-NH2 adsorbents were separated using a Ni-coated neodymium magnet and subsequently eluted with 2 mL water–acetonitrile–acetic acid (80:20:1, v/v/v) and analyzed by HILIC-MS/MS. The correlation coefficients (r) of the targeted toxins obtained in matrix-matched external standard curves were from 0.997 to 0.999. The PSTs were acquired and quantified in the multiple reaction-monitoring mode and the limits of detection and quantitation in bivalve mollusks were 1.10 to 4.51 μg/kg and 3.67 to 13.5 μg/kg, respectively. Spiked recoveries at three concentrations in negative samples were from 73.4% to 92.5% with precision less than 10.6%. The method validation was in accordance with 2002/657/EC guidelines and method application in commercial bivalve mollusk samples. The developed method was rapid, convenient and economical for the determination of the targeted toxins.
Study of spin-dependent structure functions of $^3{\rm He}$ and $^3{\rm H}$ at NNLO approximation and corresponding nuclear corrections
Creators: name: Khanpour, Hamzeh
name: Monfared, S. Taheri
name: Tehrani, S. Atashbar
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We determine polarized parton distribution functions (PPDFs) and structure functions from recent experimental data of polarized deep inelastic scattering (DIS) on nuleons at next-to-next-to-leading order (NNLO) approximation in perturbative quantum chromodynamic (pQCD). The nucleon polarized structure functions are computed using the Jacobi polynomial approach while target mass corrections (TMCs) are included in our fitting procedure. Having extracted the polarized spin structure functions, we extend our study to describe $^3{\mathrm He}$ and $^3{\mathrm H}$ polarized structure functions, as well as the Bjorken sum rule. We also explore the importance of the nuclear corrections on the polarized nuclear structure functions at small and large values of $x$. Our results are compared with the recent available and high precision polarized $^3{\mathrm He}$ and $^3{\mathrm H}$ experimental data.
description: 18 page, 12 Figs. , 2 Table
Real-Time Regression Analysis of Streaming Clustered Data With Possible Abnormal Data Batches
Creators: name: Luo, Lan
name: Zhou, Ling
name: Song, Peter X.-K.
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Medicine
subject: Neuroscience
subject: Biotechnology
subject: Information Systems not elsewhere classified
subject: Mathematical Sciences not elsewhere classified
subject: Cancer
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Mental Health

description: This article develops an incremental learning algorithm based on quadratic inference function (QIF) to analyze streaming datasets with correlated outcomes such as longitudinal data and clustered data. We propose a renewable QIF (RenewQIF) method within a paradigm of renewable estimation and incremental inference, in which parameter estimates are recursively renewed with current data and summary statistics of historical data, but with no use of any historical subject-level raw data. We compare our renewable estimation method with both offline QIF and offline generalized estimating equations (GEE) approach that process the entire cumulative subject-level data all together, and show theoretically and numerically that our renewable procedure enjoys statistical and computational efficiency. We also propose an approach to diagnose the homogeneity assumption of regression coefficients via a sequential goodness-of-fit test as a screening procedure on occurrences of abnormal data batches. We implement the proposed methodology by expanding existing Spark’s Lambda architecture for the operation of statistical inference and data quality diagnosis. We illustrate the proposed methodology by extensive simulation studies and an analysis of streaming car crash datasets from the National Automotive Sampling System-Crashworthiness Data System (NASS CDS). Supplementary materials for this article are available online.
Study of the process $e^+e^- \to π^+π^-$ in the energy region 400
Creators: name: Achasov, M. N.
name: Beloborodov, K. I.
name: Berdyugin, A. V.
name: Bogdanchikov, A. G.
name: Bozhenok, A. V.
name: Bukin, A. D.
name: Bukin, D. A.
name: Dimova, T. V.
name: Druzhinin, V. P.
name: Golubev, V. B.
name: Koop, I. A.
name: Korol, A. A.
name: Koshuba, S. V.
name: Lysenko, A. P.
name: Otboev, A. V.
name: Pakhtusova, E. V.
name: Serednyakov, S. I.
name: Shatunov, Yu. M.
name: Sidorov, V. A.
name: Silagadze, Z. K.
name: Skrinsky, A. N.
name: Tikhonov, Yu. A.
name: Vasiljev, A. V.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The cross section of the process e^+e^-\to π^+π^- was measured in the SND experiment at the VEPP-2M collider in the energy region 400
description: 30 pages REVTEX and 31 figures
Update on DDI 4: DDI 4 Core
Creators: name: Wackerow. Joachim
Publisher: name: Zenodo
Year: 2019

description: What is the New DDI 4 Core Product? Variable Cascade Concepts and variables DDI 4 Core: Four Main Data Structures Core UML Model DDI 4 Core: Process Model UML Model Planned Timeline Credits, Wiki, and Contact
Numerical Solutions for the orbital motion of the Solar System over the Past 100 Myr: Limits and new results
Creators: name: Zeebe, Richard E.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: I report results from accurate numerical integrations of Solar System orbits over the past 100Myr with the integrator package HNBody. The simulations used different integrator algorithms, step sizes, initial conditions, and included effects from general relativity, different models of the Moon, the Sun's quadrupole moment, and up to sixteen asteroids. I also probed the potential effect of a hypothetical Planet 9, using one set of possible orbital elements. The most expensive integration (Bulirsch-Stoer) required 4~months wall-clock time with a maximum relative energy error
description: Added reference to Trujillo & Sheppard, 2014, Nature, 507, 471. Corrected minor typos. Published, Nov, 2017
title: ADCO, Ordre cistercien : comptes (1403-1423) (11 H 1161), f. 00053
Creators: name: de la Côte-d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CBMA/CG21/F.PETOT/2019
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: Chartes de la Bourgogne du Moyen Âge
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: comptes
subject: Corpus Burgundiae Medii Aevi

description: Ordre cistercien : comptes (1403-1423), Archives départementales de la Côte-d'Or, (11 H 1161). Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Ordre cistercien : comptes (1403-1423), Archives départementales de la Côte-d'Or, (11 H 1161), f. 00053, in Projet CBMA - Corpus Burgundiae Medii Aevi \[Ressource en ligne\], https:// manuscrits.cbma-project.eu/
Correction of local-linear elasticity for nonlocal residuals: Application to Euler-Bernoulli beams
Creators: name: Shaat, Mohamed
Publisher: name: arXiv
Year: 2017
Subjects: subject: Applied Physics (physics.app-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Analysis of PDEs (math.AP)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Complications exist when solving the field equation in the nonlocal field. This has been attributed to the complexity of deriving explicit forms of the nonlocal boundary conditions. Thus, the paradoxes in the existing solutions of the nonlocal field equation have been revealed in recent studies. In the present study, a new methodology is proposed to easily determine the elastic nonlocal fields from their local counterparts without solving the field equation. This methodology depends on the iterative-nonlocal residual approach in which the sum of the nonlocal fields is treaded as a residual field. Thus, in this study the corrections of the local-linear elastic fields for the nonlocal residuals in materials are presented. These corrections are formed based on the general nonlocal theory. In the context of the general nonlocal theory, two distinct nonlocal parameters are introduced to form the constitutive equations of isotropic-linear elastic continua. In this study, it is demonstrated that the general nonlocal theory outperforms Eringen-nonlocal theory in accounting for the impacts of the material Poisson ratio on its mechanics. To demonstrate the effectiveness of the proposed approach, the corrections of the local static bending, vibration, and buckling characteristics of Euler-Bernoulli beams are derived. Via these corrections, bending, vibration, and buckling behaviors of simple-supported nonlocal Euler-Bernoulli beams are determined without solving the beams equation of motion.
description: 31 pages, 12 Figure and 4 Tables
Unstable quasi g-modes in rotating main-sequence stars
Creators: name: Savonije, G. J.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: This paper studies the oscillatory stability of uniformly rotating main-sequence stars of mass 3-8 M_sun by solving the linearized non-adiabatic, non-radial oscillation equations with a forcing term and searching for resonant response to a complex forcing frequency. By using the traditional approximation the solution of the forced oscillation equations becomes separable, whereby the energy equation is made separable by approximation. It is found that the kappa-mechanism in rotating B-stars can destabilize not only gravity- or pressure modes, but also a branch of low frequency retrograde (in corotating frame) oscillations in between the retrograde g-modes and toroidal r-modes. These unstable quasi g-modes (or `q-modes') hardly exhibit rotational confinement to the equatorial regions of the star, while the oscillations are always prograde in the observer's frame, all in contrast to g-modes. The unstable q-modes occur in a few narrow period bands (defined by their azimuthal index m), and seem to fit the oscillation spectra observed in SPB stars rather well. The unstable q-mode oscillation spectrum of a very rapidly rotating 8 M_sun star appears similar to that of the well studied Be-star mu Cen. The unstable q-modes thus seem far better in explaining the observed oscillation spectra in SPB-stars and Be-stars than normal g-modes.
description: 15 pages, 16 figures, to appear in Astronomy & Astrophysics
Evidence for an Anti-charmed Baryon State
Creators: name: Risler, Christiane
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We report on the observation of a narrow resonance in D^{*-}p and D^{*+} pbar invariant mass combinations in deep-inelastic ep scattering at centre-of-mass energies of 300 and 320 GeV at HERA. The mass of the resonance is measured to be 3099 +- 3 (stat.) +- 5 (syst.) MeV, the Gaussian width of 12 +- 3 (stat.) MeV is compatible with the experimental resolution. The state can be interpreted as an anti-charmed baryon with minimal constituent quark composition $uudd\bar c$, together with the charge conjugate.
description: 10 pages, 8 figures, conference proceedings for the Cracow Epiphany Conference on Hadron Spectroscopy 2005
A Practical Approach to Gastrointestinal Complications of Diabetes
Creators: name: Maisey, Abigail
Publisher: name: Adis Journals
Year: 2018
Subjects: subject: Medicine
subject: 110306 Endocrinology
subject: FOS: Clinical medicine

description: Article full text
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AGN and their host galaxies in the local Universe: two mass independent Eddington ratio distribution functions characterize black hole growth
Creators: name: Weigel, Anna K.
name: Schawinski, Kevin
name: Caplar, Neven
name: Wong, O. Ivy
name: Treister, Ezequiel
name: Trakhtenbrot, Benny
Publisher: name: arXiv
Year: 2017
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We use a phenomenological model to show that black hole growth in the local Universe (z < 0.1) can be described by two separate, mass independent Eddington ratio distribution functions (ERDFs). We assume that black holes can be divided into two independent groups: those with radiatively efficient accretion, primarily hosted by optically blue and green galaxies, and those with radiatively inefficient accretion, which are mainly found in red galaxies. With observed galaxy stellar mass functions as input, we show that the observed AGN luminosity functions can be reproduced by using mass independent, broken power law shaped ERDFs. We use the observed hard X-ray and 1.4 GHz radio luminosity functions to constrain the ERDF for radiatively efficient and inefficient AGN, respectively. We also test alternative ERDF shapes and mass dependent models. Our results are consistent with a mass independent AGN fraction and AGN hosts being randomly drawn from the galaxy population. We argue that the ERDF is not shaped by galaxy-scale effects, but by how efficiently material can be transported from the inner few parsecs to the accretion disc. Our results are incompatible with the simplest form of mass quenching where massive galaxies host higher accretion rate AGN. Furthermore, if reaching a certain Eddington ratio is a sufficient condition for maintenance mode, it can occur in all red galaxies, not just the most massive ones.
description: 33 pages, 15 figures, accepted for publication in ApJ, Fig. 6 shows the main result
DC field induced enhancement and inhibition of spontaneous emission in a cavity
Creators: name: Agarwal, G. S.
name: Pathak, P. K.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We demonstrate how spontaneous emission in a cavity can be controlled by the application of a dc field. The method is specially suitable for Rydberg atoms. We present a simple argument for the control of emission.
description: 3-pages, 2figure. accepted in Phys. Rev. A
Additional file 1 of Ahnak is required to balance calcium ion homeostasis and smooth muscle development in the urinary system
Creators: name: Lee, Jong-Min
name: Lim, Tae-Yang
name: Oh, Sang-Bin
name: Lee, Seung-Jun
name: Bae, Yun Soo
name: Jung, Han-Sung
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Physiology
subject: Pharmacology
subject: Biotechnology
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Marine Biology
subject: Virology
subject: Computational Biology

description: Supplementary Material 1
Near infrared and the inner regions of protoplanetary disks
Creators: name: Vinkovic, Dejan
name: Ivezic, Zeljko
name: Jurkic, Tomislav
name: Elitzur, Moshe
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We examine the ``puffed-up inner disk'' model (Dullemond, Dominik & Natta 2001), proposed for explaining the near-IR excess radiation from Herbig Ae/Be stars. Detailed model computations show that the observed near-IR excess requires more hot dust than is contained in the puffed-up disk rim. The rim can produce the observed near-IR excess only if its dust has perfectly gray opacity, but such dust is in conflict with the observed 10$μ$m spectral feature. We find that a compact ($\sim$ 10 AU) tenuous ($τ_V \la 0.4$) dusty halo around the disk inner regions contains enough dust to readily explain the observations. Furthermore, this model also resolves the puzzling relationship noted by Monnier and Millan-Gabet (2002) between luminosity and the interferometric inner radii of disks.
description: 14 pages, 10 figures, accepted in ApJ
Thermonuclear $^{19}$F($p$,$α_0$)$^{16}$O reaction rate
Creators: name: He, J. J.
name: Lombardo, I.
name: Dell'Aquila, D.
name: Xu, Y.
name: Zhang, L. Y.
name: Liu, W. P.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The thermonuclear $^{19}$F($p$,$α_0$)$^{16}$O reaction rate in a temperature region of 0.007--10 GK has been derived by re-evaluating the available experimental data, together with the low-energy theoretical $R$-matrix extrapolations. Our new rate deviates up to about 30\% compared to the previous ones, although all rates are consistent within the uncertainties. At very low temperature (e.g. 0.01 GK) our reaction rate is about 20\% smaller than the most recently published rate, because of a difference in the low energy extrapolated $S$-factor and a more accurate estimate of the reduced mass entering in the calculation of the reaction rate. At temperatures above $\sim$1 GK, our rate is smaller, for instance, by about 20\% around 1.75 GK, because we have re-evaluated in a meticulous way the previous data (Isoya et al., Nucl. Phys. 7, 116 (1958)). The present interpretation is supported by the direct experimental data. The uncertainties of the present evaluated rate are estimated to be about 20\% in the temperature region below 0.2 GK, which are mainly caused by the lack of low-energy experimental data and the large uncertainties of the existing data. The asymptotic giant branch (AGB) star evolves at temperatures below 0.2 GK, where the $^{19}$F($p$,$α$)$^{16}$O reaction may play a very important role. However, the current accuracy of the reaction rate is insufficient to help to describe, in a careful way, for the fluorine overabundances phenomenon observed in AGB stars. Precise cross section (or $S$ factor) data in the low energy region are therefore mandatory for astrophysical nucleosynthesis studies.
description: 11 pages, 13 figures
Difficulties with the Klein-Gordon Equation
Creators: name: Comay, E.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Relying on the variational principle, it is proved that new contradictions emerge from an analysis of the Lagrangian density of the Klein-Gordon field: normalization problems arise and interaction with external electromagnetic fields cannot take place. By contrast, the Dirac equation is free of these problems. Other inconsistencies arise if the Klein-Gordon field is regarded as a classical field.
description: 11 pages, 0 figures
Late internal shock model for bright X-ray flares in Gamma-ray Burst afterglows and GRB 011121
Creators: name: Fan, Y. Z.
name: Wei, D. M.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We explore two possible models which might give rise to bright X-ray flares in GRBs afterglows. One is an external forward-reverse shock model, in which the shock parameters of forward/reverse shocks are taken to be quite different. The other is a so called "late internal shock model", which requires a refreshed unsteady relativistic outflow generated after the prompt $γ-$ray emission. In the forward-reverse shock model, after the time $t_\times$ at which the RS crosses the ejecta, the flux declines more slowly than $(t_\oplus/t_\times)^{-(2+β)}$, where $t_\oplus$ denotes the observer's time and $β$ is the spectral index of the X-ray emission. In the ``late internal shock model", decaying slopes much steeper than $(t_\oplus/t_{\rm e, \oplus})^{-(2+β)}$ are possible if the central engine shuts down after $t_{\rm e, \oplus}$ and the observed variability timescale of the X-ray flare is much shorter than $t_{\rm e, \oplus}$. The sharp decline of the X-ray flares detected in GRB 011121, XRF 050406, GRB 050502b, and GRB 050730 rules out the external forward-reverse shock model directly and favors the "late internal shock model". These X-ray flares could thus hint that the central engine operates again and a new unsteady relativistic outflow is generated just a few minutes after the intrinsic hard burst.
description: 6 pages (2 figure), submitted to MNRAS Letters on 05/19/2005, accepted for publication on 09/01/2005. Major revision
Effective Utilization of Oral Hypoglycemic Agents to Achieve Individualized HbA1c Targets in Patients with Type 2 Diabetes Mellitus
Creators: name: Bannister, Margaret
name: Berlanga, Jenny
Publisher: name: Adis Journals
Year: 2018
Subjects: subject: Medicine
subject: 110306 Endocrinology
subject: FOS: Clinical medicine

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Pulsations and Period Variations of the $δ$ Scuti Star AN Lyncis in a possible three-body system
Creators: name: Li, Gang
name: Fu, Jianning
name: Su, Jie
name: Fox-Machado, Lester
name: Michel, Raul
name: Guo, Zhen
name: Liu, Jinzhong
name: Feng, Guojie
Publisher: name: arXiv
Year: 2017
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Observations for the $δ$ Scuti star AN Lyn have been made between 2008 and 2016 with the 85-cm telescope at Xinglong station of National Astronomical Observatories of China, the 84-cm telescope at SPM Observatory of Mexico and the Nanshan One meter Wide field Telescope of Xinjiang Observatory of China. Data in $V$ in 50 nights and in $R$ in 34 nights are obtained in total. The bi-site observations from both Xinglong Station and SPM Observatory in 2014 are analyzed with Fourier Decomposition to detect pulsation frequencies. Two independent frequencies are resolved, including one non-radial mode. A number of stellar model tracks are constructed with the MESA code and the fit of frequencies leads to the best-fit model with the stellar mass of $M = 1.70 \pm 0.05~\mathrm{M_{\odot}}$ , the metallicity abundance of $Z = 0.020 \pm 0.001$, the age of $1.33 \pm 0.01$ billion years and the period change rate $1/P\cdot \mathrm{d}P/\mathrm{d}t =1.06 \times 10^{-9} ~\mathrm{yr^{-1}} $, locating the star at the evolutionary stage close to the terminal age main sequence (TAMS). The O-C diagram provides the period change rate of $1/P \cdot \mathrm{d}P /\mathrm{d}t =4.5(8)\times10^{-7}~\mathrm{yr^{-1}}$. However, the period change rate calculated from the models is smaller in two orders than the one derived from the O-C diagram. Together with the sinusoidal function signature, the period variations are regarded to be dominated by the light-travel time effect of the orbital motion of a three-body system with two low-luminosity components, rather than the stellar evolutionary effect.
description: 14 pages, 8 tables, 17 figures, accepted by mnras
Observation of b --> d gamma and Determination of |V_td/V_ts|
Creators: name: Mohapatra, D.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We report the observation of the flavor-changing neutral current process b --> d gamma using a sample of 386*10^6 B meson pairs accumulated by the Belle detector at the KEKB e+ e- collider. We measure branching fractions for the exclusive modes B- --> rho- gamma, B0bar --> rho0 gammaand B0bar --> omega gamma. Assuming that these three modes are related by isospin, we find Br(B --> (rho,omega) gamma) = (1.32 +0.34-0.31(stat.) +0.10-0.09(syst.)) * 10^-6 with a significance of 5.1 sigma. This result is used to determine the ratio of CKM matrix elements |V_td/V_ts| to be 0.199 +0.026-0.025(exp.) +0.018-0.015(theo.).
description: 5 pages, 2 figures, submitted to Physical Review Letters
Density, viscosity, excess properties, and spectral analyses of polyethylene glycol 300 and 1,3-propane diamine binary system
Creators: name: Qin, Xing
name: Li, Fu
name: Kong, Liting
name: Zhang, Rumeng
name: Liu, Xuan
name: Wu, Jialin
name: Zhang, Jianbin
Publisher: name: Taylor & Francis
Year: 2021
Subjects: Biophysics
Biochemistry
Physical Sciences not elsewhere classified
Cell Biology
Pharmacology
Biotechnology
Chemical Sciences not elsewhere classified
Developmental Biology
Hematology

description: This work reported the fundamental density (ρ) and viscosity (η) data of polyethylene glycol 300 (PEG) (1) + 1,3-propane diamine (DAP) (2) binary system at T = (293.15 to 318.15) K and atmospheric pressure, in which excess-molar volume (VmE) of the binary system presented the lowest values when x1 was at 0.5. Concurrently, the η values increased firstly and diminished in the same composition range; when x1 was at 0.7, the η values of the binary system arrived at the largest values; and the smallest and largest viscosity deviation (Δη) values of binary system were found at x1 ≈ 0.1 and x1 ≈ 0.6, respectively. Additionally, UV-Vis, FLS, 1H-NMR and Raman spectral results suggested that there was hydrogen bonding of ‘hydrogen atom in -OH groups of PEG binding nitrogen atom in -NH2 groups of DAP to form the hydrogen bonds of N···H-O’.
Gaussian Decoherence from Random Spin Environments
Creators: name: Zurek, W. H.
name: Cucchietti, F. M.
name: Paz, J. P.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We examine an exactly solvable model of decoherence - a spin-system interacting with a collection of environment spins. We show that in this model (introduced some time ago to illustrate environment-induced superselection) generic assumptions about the coupling strengths lead to a universal (Gaussian) suppression of coherence between pointer states. We explore the regimes of validity of these results and discuss their relation to the spectral features of the environment and to the Loschmidt echo (or fidelity). Finally, we comment on the observation of such time dependence in spin echo experiments.
description: Many changes in the manuscript to improve readability, some typos corrected
title: ADCO, Septième cartulaire de Saint-Étienne de Dijon (1661-1665), Cart. 29 (G 134), 996 folios, f. 0712
Creators: name: de la Côte d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2012
name: Petot, Frédéric
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge
subject: cartulaire
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris

description: Septième cartulaire de Saint-Étienne de Dijon (1661-1665), Archives départementales de la Côte-d'Or, Cart. 29 (G 134), 996 folios, f. 0712, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Septième cartulaire de Saint-Étienne de Dijon (1661-1665), Archives départementales de la Côte-d'Or, Cart. 29 (G 134), 996 folios, f. 0712, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https://manuscrits.cbma-project.eu/
description: Provenance: abbaye Saint-Étienne de Dijon
description: Provenance: http://www.wikidata.org/entity/Q15945019
title: Socioeconomic Disparities in the Use of College Admission-Enhancing Strategies among High School Seniors from the 1990s to 2000s
Creators: name: Wells, Ryan
name: Wolniak, Gregory
name: Engberg, Marc
name: Manly, Catherine A.
Publisher: name: University of Massachusetts Amherst
Year: 2016
Subjects: subject: high school students
subject: college admission
subject: social inequality
subject: postsecondary education
subject: Higher Education
subject: Social and Philosophical Foundations of Education

description: The final peer reviewed version of this article appeared in the Teachers College Record: www.tcrecord.org
description: This study examines whether strategies commonly used by high school students for enhancing their chances of gaining college admission may contribute to social inequality in postsecondary education. Comparisons are made between nationally representative samples of high school seniors across two decades, from the early 1990s to the early 2000s. The analyses identify the extent to which students’ SES was associated with the use of admission-enhancing strategies, determine the extent to which the relationships changed across a two-decade period, and examine the role of academic achievement in this process. Results confirm that higher SES students are more likely to employ admission-enhancing strategies than lower SES students, but more importantly that this gap widened over time. These findings suggest that admission-enhancing strategies may be partially responsible for maintaining socioeconomic disparities through education.
The spatially resolved star formation history of mergers: A comparative study of the LIRGs IC1623, NGC6090, NGC2623, and Mice
Creators: name: Cortijo-Ferrero, C.
name: Delgado, R. M. González
name: Pérez, E.
name: Fernandes, R. Cid
name: García-Benito, R.
name: Di Matteo, P.
name: Sánchez, S. F.
name: de Amorim, A. L.
name: Lacerda, E. A. D.
name: Fernández, R. López
name: Tadhunter, C.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: This paper presents the spatially resolved star formation history (2D-SFH) of a small sample of four local mergers: the early-stage mergers IC1623, NGC6090, and the Mice, and the more advanced merger NGC2623, by analyzing IFS data from the CALIFA survey and PMAS in LArr mode. Full spectral fitting techniques are applied to the datacubes to obtain the spatially resolved mass growth histories, the time evolution of the star formation rate intensity ($Σ_{SFR}$), and the local specific star formation rate, over three different timescales (30 Myr, 300 Myr, and 1 Gyr). The results are compared with non-interacting Sbc--Sc galaxies, to quantify if there is an enhancement of the star formation and to trace its time scale and spatial extent. Our results for the three LIRGs (IC1623W, NGC6090, and NGC2623) show that a major phase of star formation is occurring in time scales of 10$^{7}$ yr to few 10$^{8}$ yr, with global SFR enhancements of $\sim$2--6 with respect to main-sequence star forming (MSSF) galaxies. In the two early-stage mergers IC1623W and NGC6090, which are between first pericenter passage and coalescence, the most remarkable increase of the SFR with respect to non-interacting spirals occurred in the last 30 Myr, and it is spatially extended, with enhancements of factors 2--7 both in the centres ($r $ 1 HLR). In the more advanced merger NGC 2623 an extended phase of star formation occurred on a longer time-scale of $\sim$1 Gyr, with a SFR enhancement of a factor $\sim$2--3 larger than the one in Sbc--Sc MSSF galaxies over the same period, probably relic of the first pericenter passage epoch. A SFR enhancement in the last 30 Myr is also present, but only in NGC2623 centre, by a factor 3. In general, the spatially resolved SFHs of the LIRG-mergers are consistent with the predictions from high spatial resolution simulations.
description: 17 pages, 7 figures, 2 tables, accepted for publication in Astronomy & Astrophysics, abstract abridged for arXiv submission
Masers and the Massive Star Formation Process: New Insights Through Infrared Observations
Creators: name: De Buizer, James M.
name: Radomski, James T.
name: Telesco, Charles M.
name: Pina, Robert K.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Our mid-infrared and near-infrared surveys over the last five years have helped to strengthen and clarify the relationships between water, methanol, and OH masers and the star formation process. Our surveys show that maser emission seems to be more closely associated with mid-infrared emission than cm radio continuum emission from UC HII regions. We find that masers of all molecular species surveyed trace a wide variety of phenomena and show a proclivity for linear distributions. The vast majority of these linear distributions can be explained by outflows or shocks, and in general do not appear to trace circumstellar disks as was previously thought. Some water and methanol masers that are not associated with radio continuum emission appear to trace infrared-bright hot cores, the earliest observable stage of massive stellar life before the onset of a UC HII region.
description: 6 pages, 3 figures, to appear in the proceedings of IAU Symposium 227: "Massive Star Birth: A Crossroads of Astrophysics", version with full-resolution images available at http://www.ctio.noao.edu/~debuizer
Socialbots supporting human rights
Creators: name: Velázquez, E.
name: Yazdani, M.
name: Suárez-Serrato, P.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Computers and Society (cs.CY)
subject: Social and Information Networks (cs.SI)
subject: FOS: Computer and information sciences

description: Socialbots, or non-human/algorithmic social media users, have recently been documented as competing for information dissemination and disruption on online social networks. Here we investigate the influence of socialbots in Mexican Twitter in regards to the "Tanhuato" human rights abuse report. We analyze the applicability of the BotOrNot API to generalize from English to Spanish tweets and propose adaptations for Spanish-speaking bot detection. We then use text and sentiment analysis to compare the differences between bot and human tweets. Our analysis shows that bots actually aided in information proliferation among human users. This suggests that taxonomies classifying bots should include non-adversarial roles as well. Our study contributes to the understanding of different behaviors and intentions of automated accounts observed in empirical online social network data. Since this type of analysis is seldom performed in languages different from English, the proposed techniques we employ here are also useful for other non-English corpora.