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19912026
most citedAstropy: A Community Python Package for Astronomy

14.6k citations

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433 papers · 1 filter

hep-ex2007★ 10 cited

Experimental study of the atmospheric neutrino backgrounds for proton decay to positron and neutral pion searches in water Cherenkov detectors

K2K Collaboration, S. Mine

The atmospheric neutrino background for proton decay to positron and neutral pion in ring imaging water Cherenkov detectors is studied with an artificial accelerator neutrino beam…

nucl-ex2007★ 44 cited

Source breakup dynamics in Au+Au Collisions at sqrt(s_NN)=200 GeV via three-dimensional two-pion source imaging

PHENIX Collaboration, S. Afanasiev

A three-dimensional (3D) correlation function obtained from mid-rapidity, low pT pion pairs in central Au+Au collisions at sqrt(s_NN)=200 GeV is studied. The extracted model-indepe…

physics.ins-det2007★ 36 cited

Detectors and flux instrumentation for future neutrino facilities

T. Abe, H. Aihara, C. Andreopoulos +66

This report summarises the conclusions from the detector group of the International Scoping Study of a future Neutrino Factory and Super-Beam neutrino facility. The baseline detect…

cond-mat.str-el2007★ 25 cited

Diagonal and Collinear Incommensurate Spin Structures in underdoped LaBaCuO

S. R. Dunsiger, Y. Zhao, B. D. Gaulin +7

We have studied incommensurate spin ordering in single crystal underdoped La_{2-x}Ba_{x}CuO_{4} with x~0.08, 0.05 and 0.025 using neutron scattering techniques. Static incommensura…

hep-ex2007★ 29 cited

A Measurement of the Branching Fractions of exclusive Bbar -> D(*)(pi)l-nubar Decays in Events with a Fully Reconstructed B Meson

The BABAR Collaboration, B. Aubert

We report a measurement of the branching fractions for Bbar -> D(*)(pi)l-nubar decays based on 341.1 fb-1 of data collected at the Upsilon(4S) resonance with the babar detector at…

hep-ex2007★ 10 cited

Time-dependent Dalitz plot analysis of B0 -> D-(+) K0 Pi+(-) decays

The BABAR Collaboration, B. Aubert

We present for the first time a measurement of the weak phase 2b+g obtained from a time-dependent Dalitz plot analysis of B^0 -> D-(+) K0 Pi+(-) decays. Using a sample of approxima…

cond-mat.str-el2007★ 210 cited

Observation of electromagnon excitations in the BiFe0 spiral magnet

M. Cazayous, Y. Gallais, A. Sacuto +3

Recently, oxide multiferroics have attracted much attention due to their large magnetoelectric effect which allows the tuning of magnetic properties with electric field and vice ve…

astro-ph2007★ 65 cited

Infrared and X-Ray Evidence for Circumstellar Grain Destruction by the Blast Wave of Supernova 1987A

E. Dwek, R. G. Arendt, P. Bouchet +10

Multiwavelength observations of supernova remnant (SNR) 1987A show that its morphology and luminosity are rapidly changing at X-ray, optical, infrared, and radio wavelengths as the…

astro-ph2007★ 54 cited

A2163: Merger events in the hottest Abell galaxy cluster I. Dynamical analysis from optical data

S. Maurogordato, A. Cappi, C. Ferrari +7

We present a detailed optical analysis of the galaxy cluster A2163 based on new multicolor wide field imaging and medium-to-high resolution (R~2000) spectroscopy. While X-ray obser…

hep-ph2007★ 97 cited

KK Parity in Warped Extra Dimension

Kaustubh Agashe, Adam Falkowski, Ian Low +1

We construct models with a Kaluza-Klein (KK) parity in a five- dimensional warped geometry, in an attempt to address the little hierarchy problem present in setups with bulk Standa…

physics.ins-det2007★ 8 cited

The Fast Read-out System for the MAPMTs of COMPASS RICH-1

C. Schill

A fast readout system for the upgrade of the COMPASS RICH detector has been developed and successfully used for data taking in 2006 and 2007. The new readout system for the multi-a…

hep-ex2007★ 49 cited

Measurement of D0-anti-D0 Mixing using the Ratio of Lifetimes for the Decays D0 --> K-pi+, K-K+, and pi-pi+

The BABAR Collaboration, B. Aubert

We present a measurement of - mixing parameters using the ratios of lifetimes extracted from a sample of mesons produced through the process $D^{*+}\to\D^0π^+…

cond-mat.stat-mech2007★ 698 cited

Collective motion of self-propelled particles interacting without cohesion

Hugues Chaté, Francesco Ginelli, Guillaume Grégoire +1

We present a comprehensive study of Vicsek-style self-propelled particle models in two and three space dimensions. The onset of collective motion in such stochastic models with onl…

cond-mat.soft2007★ 22 cited

Lower bound on the four-point dynamical susceptibility: Direct experimental test on a granular packing

F. Lechenault, O. Dauchot, G. Biroli +1

We track the motion of a horizontally vibrated amorphous assembly of bidisperse hard disks, for densities ranging across the jamming transition. We derive on very general grounds a…

quant-ph2007

Applications of the Characteristic Theory to the Madelung-de Broglie-Bohm System of Partial Differential Equations: The Guiding Equation as the Characteristic Velocity

Javier Gonzalez, Xavier Gimenez, Josep Maria Bofill

First, we use the theory of characteristics of first order partial differential equations to derive the guiding equation directly from the Quantum Evolution Equation (QEE). After o…

math-ph2007★ 29 cited

LERW as an example of off-critical SLEs

Michel Bauer, Denis Bernard, Kalle Kytola

Two dimensional loop erased random walk (LERW) is a random curve, whose continuum limit is known to be a Schramm-Loewner evolution (SLE) with parameter kappa=2. In this article we…

hep-ex2007★ 41 cited

Model-independent measurement of the W boson helicity in top quark decays

D0 Collaboration, V. M. Abazov

We present the first model-independent measurement of the helicity of bosons produced in top quark decays, based on a 1 fb sample of candidate events in the d…

astro-ph2007★ 44 cited

Time drift of cosmological redshifts and its variance

Jean-Philippe Uzan, Francis Bernardeau, Yannick Mellier

The contribution of cosmological perturbations to the time drift of the cosmological redshift is derived. It is shown that the dominant correction arises from the local acceleratio…

astro-ph2007★ 22 cited

Asteroseismology of Procyon with SOPHIE

B. Mosser, F. Bouchy, M. Martic

This paper reports a 9-night asteroseismic observation program conducted in January 2007 with the new spectrometer Sophie at the OHP 193-cm telescope, on the F5 IV-V target Procyon…

nucl-ex2007★ 2 cited

Deuteron frozen spin polarized target for nd experiements at the VdG accelerator of Charles University

N. S. Borisov, N. A. Bazhanov, A. A. Belyaev +19

A frozen spin polarized deuteron target cooled by the 3He/4He dilution refrigerator is described. Fully deuterated 1,2-propanediol was used as a target material. Deuteron vector po…

astro-ph2007★ 100 cited

Modelling the spectral energy distribution of ULIRGs II: The energetic environment and the dense interstellar medium

O. Vega, M. S. Clemens, A. Bressan +4

We fit the near-infrared to radio spectral energy distributions of 30 luminous and ultra-luminous infrared galaxies with pure starburst models or models that include both starburst…

astro-ph2007★ 212 cited

HESS VHE Gamma-Ray Sources Without Identified Counterparts

HESS Collaboration, F. Aharonian

The detection of gamma rays in the very-high-energy (VHE) energy range (100 GeV--100 TeV) provides a direct view of the parent population of ultra-relativistic particles found in a…

astro-ph2007★ 36 cited

The nature of the ghost cavity in the NGC 741 group

Nazirah N. Jetha, Martin J. Hardcastle, Arif Babul +4

We discuss the effects of energy injection into the intra-group medium of the group of galaxies associated with NGC 741. The X-ray emission reveals a large bubble, which in the abs…

cond-mat.mes-hall2007★ 187 cited

Remarks on the tight-binding model of graphene

Cristina Bena, Gilles Montambaux

We address a simple but fundamental issue arising in the study of graphene, as well as of other systems that have a crystalline structure with more than one atom per unit cell. For…