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19932026
most citedAstropy: A Community Python Package for Astronomy

14.6k citations

Showing 2013Show all

292 papers · 1 filter

nucl-ex2013★ 77 cited

Nuclear Physics Experiments with Ion Storage Rings

Yu. A. Litvinov, S. Bishop, K. Blaum +38

In the last two decades a number of nuclear structure and astrophysics experiments were performed at heavy-ion storage rings employing unique experimental conditions offered by suc…

hep-ph2013★ 4 cited

Neutrino mass hierarchy and matter effects

Alexei Yu. Smirnov

Matter effects modify the mixing and the effective masses of neutrinos in a way which depends on the neutrino mass hierarchy. Consequently, for normal and inverted hierarchies the…

astro-ph.HE2013★ 14 cited

Deep GMRT radio observations and a multi-wavelength study of the region around HESS J1858+020

J. M. Paredes, C. H. Ishwara-Chandra, V. Bosch-Ramon +3

There are a number of very high energy sources in the Galaxy that remain unidentified. Multi-wavelength and variability studies, and catalogue searches, are powerful tools to ident…

nucl-ex2013★ 70 cited

Measurements of neutron-induced reactions in inverse kinematics

René Reifarth, Yuri A. Litvinov

Neutron capture cross sections of unstable isotopes are important for neutron induced nucleosynthesis as well as for technological applications. A combination of a radioactive beam…

math-ph2013★ 59 cited

Universal Quantum Graphs

Z. Pluhar, H. A. Weidenmueller

For time-reversal invariant graphs we prove the Bohigas-Giannoni-Schmit conjecture in its most general form: For graphs that are mixing in the classical limit, all spectral correla…

hep-ex2013★ 20 cited

Measurement of the and effective lifetimes

LHCb collaboration, R. Aaij, B. Adeva +672

The first measurement of the effective lifetime of the meson in the decay is reported using a proton-proton collision dataset, correspondi…

nlin.CD2013★ 3 cited

Transmission phase of a quantum dot and statistical fluctuations of partial-width amplitudes

Rodolfo A. Jalabert, Guillaume Weick, Hans A. Weidenmüller +1

Experimentally, the phase of the amplitude for electron transmission through a quantum dot (transmission phase) shows the same pattern between consecutive resonances. Such universa…

astro-ph.HE2013★ 23 cited

Formation of large-scale magnetic structures associated with the Fermi bubbles

Maxim V. Barkov, Valenti Bosch-Ramon

The Fermi bubbles are part of a complex region of the Milky Way. This region presents broadband extended non-thermal radiation, apparently coming from a physical structure rooted i…

quant-ph2013★ 2 cited

The propagator of a relativistic particle via the path-dependent vector potential

Enderalp Yakaboylu, Karen Z. Hatsagortsyan, Christoph H. Keitel

The proper time formalism for a particle propagator in an external electromagnetic field is combined with the path-dependent formulation of the gauge theory to simplify the quasicl…

astro-ph.HE2013★ 50 cited

Long-term TeV and X-ray Observations of the Gamma-ray Binary HESS J0632+057

VERITAS Collaboration, E. Aliu, S. Archambault +297

HESS J0632+057 is the only gamma-ray binary known so far whose position in the sky allows observations with ground-based observatories both in the northern and southern hemispheres…

physics.plasm-ph2013★ 397 cited

Modelling Gamma Ray Emission and Pair Production in High-Intensity Laser-Matter Interactions

C. P. Ridgers, J. G. Kirk, R. Duclous +5

In high-intensity (> 10^21W/cm^2) laser-matter interactions gamma-ray photon emission by the electrons can strongly affect the electron's dynamics and copious numbers of electron-p…

hep-ph2013★ 37 cited

Baryon Number Violation

K. S. Babu, E. Kearns, U. Al-Binni +93

This report, prepared for the Community Planning Study - Snowmass 2013 - summarizes the theoretical motivations and the experimental efforts to search for baryon number violation,…

hep-ex2013★ 52 cited

Studies of beauty baryon decays to and final states

LHCb collaboration, R. Aaij, B. Adeva +670

Decays of beauty baryons to the and final states (where indicates a pion or a kaon) are studied using a data sample of collisions, corresponding to…

astro-ph.CO2013★ 10 cited

Non-Parametric Cell-Based Photometric Proxies for Galaxy Morphology: Methodology and Application to the Morphologically-Defined Star Formation -- Stellar Mass Relation of Spiral Galaxies in the Local Universe

M. W. Grootes, R. J. Tuffs, C. C. Popescu +3

(Abridged) We present a non-parametric cell-based method of selecting highly pure and largely complete samples of spiral galaxies using photometric and structural parameters as pro…

astro-ph.HE2013★ 165 cited

Constraints on axionlike particles with H.E.S.S. from the irregularity of the PKS 2155-304 energy spectrum

H. E. S. S. Collaboration, A. Abramowski, F. Acero +211

Axionlike particles (ALPs) are hypothetical light (sub-eV) bosons predicted in some extensions of the Standard Model of particle physics. In astrophysical environments comprising h…

nucl-th2013★ 1 cited

Lattice effective field theory for nuclei from A = 4 to A = 28

Timo A. Lähde, Evgeny Epelbaum, Hermann Krebs +3

We present an overview of the extension of Nuclear Lattice Effective Field Theory simulations to the regime of medium-mass nuclei. We focus on the determination of the ground-state…

astro-ph.HE2013★ 25 cited

Analysis of X-ray spectral variability and black hole mass determination of the NLS1 galaxy Mrk 766

S. Giacche`, R. Gilli, L. Titarchuk

We present an XMM-Newton time-resolved spectral analysis of the NLS1 galaxy Mrk 766. We analyse eight available observations of the EPIC-pn camera taken between May 2000 and June 2…

hep-ph2013★ 23 cited

Baryon Asymmetry, Dark Matter and Local Baryon Number

Pavel Fileviez Perez, Hiren H. Patel

We propose a new mechanism to understand the relation between the baryon and dark matter asymmetries in the universe in theories where the baryon number is a local symmetry. In the…

hep-ph2013★ 5 cited

Searching for the squark flavor mixing in CP violations of Bs -> K+ K- and K0bar K0 decays

Atsushi Hayakawa, Yusuke Shimizu, Morimitsu Tanimoto +1

We study CP violations in the B_s-> K+K- and Bs->K0K0 decays in order to find the contribution of the supersymmetry, which comes from the gluino-squark mediated flavor changing cur…

physics.ins-det2013★ 2 cited

Annihilation of low energy antiprotons in silicon

S. Aghion, O. Ahlén, A. S. Belov +56

The goal of the AEIS experiment at the Antiproton Decelerator (AD) at CERN, is to measure directly the Earth's gravitational acceleration on antimatter. To achiev…

astro-ph.HE2013★ 54 cited

H.E.S.S. Observations of the Crab during its March 2013 GeV Gamma-Ray Flare

H. E. S. S. Collaboration, A. Abramowski, F. Aharonian +217

Context. On March 4, 2013, the Fermi-LAT and AGILE reported a flare from the direction of the Crab Nebula in which the high-energy (HE; E > 100 MeV) flux was six times above its qu…

hep-ph2013★ 121 cited

Quantifying the sensitivity of oscillation experiments to the neutrino mass ordering

Mattias Blennow, Pilar Coloma, Patrick Huber +1

Determining the type of the neutrino mass ordering (normal versus inverted) is one of the most important open questions in neutrino physics. In this paper we clarify the statistica…

physics.ins-det2013★ 90 cited

Observation and applications of single-electron charge signals in the XENON100 experiment

E. Aprile, M. Alfonsi, K. Arisaka +77

The XENON100 dark matter experiment uses liquid xenon in a time projection chamber (TPC) to measure xenon nuclear recoils resulting from the scattering of dark matter Weakly Intera…

nucl-th2013★ 41 cited

Emergent Collectivity in Nuclei and Enhanced Proton-Neutron Interactions

Dennis Bonatsos, S. Karampagia, R. B. Cakirli +3

Enhanced proton-neutron interactions occur in heavy nuclei along a trajectory of approximately equal numbers of valence protons and neutrons. This is also closely aligned with the…