output
19922026
Showing 2009Show all

136 papers · 1 filter

hep-ex2009★ 84 cited

Determination of the strong coupling constant from the inclusive jet cross section in ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. M. Abazov

We determine the strong coupling constant alphas and its energy dependence from the pT dependence of the inclusive jet cross section in ppbar collisions at sqrt(s)=1.96 TeV. The st…

math.NT2009★ 22 cited

The fluctuations in the number of points of smooth plane curves over finite fields

Alina Bucur, Chantal David, Brooke Feigon +1

In this note, we study the fluctuations in the number of points of smooth projective plane curves over finite fields as is fixed and the genus varies. More preci…

gr-qc2009★ 78 cited

Nonaxisymmetric instability of rapidly rotating black hole in five dimensions

Masaru Shibata, Hirotaka Yoshino

We present results from numerical solution of Einstein's equation in five dimensions describing evolution of rapidly rotating black holes. We show, for the first time, that the rap…

cs.AI2009★ 2 cited

On Backtracking in Real-time Heuristic Search

Valeriy K. Bulitko, Vadim Bulitko

Real-time heuristic search algorithms are suitable for situated agents that need to make their decisions in constant time. Since the original work by Korf nearly two decades ago, n…

nucl-ex2009★ 16 cited

The calibration of the Sudbury Neutrino Observatory using uniformly distributed radioactive sources

K. Boudjemline, B. Cai, B. T. Cleveland +31

The production and analysis of distributed sources of 24Na and 222Rn in the Sudbury Neutrino Observatory (SNO) are described. These unique sources provided accurate calibrations of…

physics.plasm-ph2009★ 30 cited

Ensemble of ultra-high intensity attosecond pulses from laser-plasma interaction

S. S. Bulanov, A. Maksimchuk, K. Krushelnick +3

The efficient generation of intense X-rays and -radiation is studied. The scheme is based on the relativistic mirror concept, {\it i.e.}, a flying thin plasma slab interacts wit…

astro-ph.SR2009★ 23 cited

Study of HST counterparts to Chandra X-ray sources in the Globular Cluster M71

R. H. H. Huang, W. Becker, P. D. Edmonds +3

We report on archival Hubble Space Telescope (HST) observations of the globular cluster M71 (NGC 6838). These observations, covering the core of the globular cluster, were performe…

hep-ph2009★ 356 cited

Quest for precision in hadronic cross sections at low energy: Monte Carlo tools vs. experimental data

S. Actis, A. Arbuzov, G. Balossini +53

We present the achievements of the last years of the experimental and theoretical groups working on hadronic cross section measurements at the low energy e+e- colliders in Beijing,…

gr-qc2009★ 31 cited

The effects of LIGO detector noise on a 15-dimensional Markov-chain Monte-Carlo analysis of gravitational-wave signals

V. Raymond, M. V. van der Sluys, I. Mandel +3

Gravitational-wave signals from inspirals of binary compact objects (black holes and neutron stars) are primary targets of the ongoing searches by ground-based gravitational-wave (…

physics.ins-det2009★ 95 cited

Readiness of the ATLAS Liquid Argon Calorimeter for LHC Collisions

The ATLAS Collaboration

The ATLAS liquid argon calorimeter has been operating continuously since August 2006. At this time, only part of the calorimeter was readout, but since the beginning of 2008, all c…

hep-ex2009★ 16 cited

Search for single top quarks in the tau+jets channel using 4.8 fb of collision data

The D0 Collaboration

We present the first direct search for single top quark production using tau leptons. The search is based on 4.8 fb of integrated luminosity collected in collisio…

hep-ex2009★ 19 cited

Search for a resonance decaying into WZ boson pairs in collisions

The D0 Collaboration, V. M. Abazov

We present the first search for an electrically charged resonance decaying to a WZ boson pair using 4.1 fb of integrated luminosity collected with the D0 detector…

cond-mat.stat-mech2009★ 19 cited

Thin helium film on a glass substrate

Massimo Boninsegni

We investigate by Monte Carlo simulations the structure, energetics and superfluid properties of thin helium-four films (up to four layers) on a glass substrate, at low temperature…

hep-ex2009★ 17 cited

Measurement of the ttbar cross section using high-multiplicity jet events

The D0 Collaboration

We present a measurement of the ttbar cross section using high-multiplicity jet events produced in ppbar collisions at sqrt{s}=1.96 TeV. These data were recorded at the Fermilab Te…

astro-ph.CO2009★ 10 cited

The Skeleton: Connecting Large Scale Structures to Galaxy Formation

Christophe Pichon, Christophe Gay, Dmitry Pogosyan +5

We report on two quantitative, morphological estimators of the filamentary structure of the Cosmic Web, the so-called global and local skeletons. The first, based on a global study…

astro-ph.HE2009★ 68 cited

A Chandra X-ray Observatory Study of PSR J1740--5340 and Candidate Millisecond Pulsars in the Globular Cluster NGC 6397

Slavko Bogdanov, Maureen van den Berg, Craig O. Heinke +3

We present a deep Chandra X-ray Observatory study of the peculiar binary radio millisecond pulsar PSR J1740--5340 and candidate millisecond pulsars (MSPs) in the globular cluster N…

cs.IT2009★ 27 cited

Cooperative Precoding/Resource Allocation Games under Spectral Mask and Total Power Constraints

Jie Gao, Sergiy A. Vorobyov, Hai Jiang

The use of orthogonal signaling schemes such as time-, frequency-, or code-division multiplexing (T-, F-, CDM) in multi-user systems allows for power-efficient simple receivers. It…

cond-mat.supr-con2009★ 4 cited

Optical Sum Rule anomalies in the High-Tc Cuprates

F. Marsiglio

We provide a brief summary of the observed sum rule anomalies in the high-T cuprate materials. A recent issue has been the impact of a non-infinite frequency cutoff in the expe…

physics.atom-ph2009★ 64 cited

Radiative lifetime measurements of rubidium Rydberg states

Drew B. Branden, Tamas Juhasz, Tatenda Mahlokozera +5

We have measured the radiative lifetimes of ns, np and nd Rydberg states of rubidium in the range 28 < n < 45. To enable long-lived states to be measured, our experiment uses slow-…

astro-ph.HE2009★ 270 cited

A Neutron Star with a Carbon Atmosphere in the Cassiopeia A Supernova Remnant

Wynn C. G. Ho, Craig O. Heinke

The surface of hot neutron stars is covered by a thin atmosphere. If there is accretion after neutron star formation, the atmosphere could be composed of light elements (H or He);…

gr-qc2009★ 37 cited

Analysis of the Fisher solution

Shohreh Abdolrahimi, Andrey A. Shoom

We study the -dimensional Fisher solution which represents a static, spherically symmetric, asymptotically flat spacetime with a massless scalar field. The solution has two para…

hep-ph2009★ 53 cited

Monte Carlo event generator for black hole production and decay in proton-proton collisions

Douglas M. Gingrich

We describe the Monte Carlo event generator for quantum black hole production and decay in proton-proton collisions -- QBH version 1.03.

hep-ph2009★ 21 cited

Radiative-nonrecoil corrections of order alpha^2 (Z alpha)^5 to the Lamb shift

Matthew Dowling, Jorge Mondejar, Jan H. Piclum +1

We present results for the corrections of order alpha^2 (Z alpha)^5 to the Lamb shift. We compute all the contributing Feynman diagrams in dimensional regularization and a general…

math.AP2009★ 14 cited

On Singularity Formation of a Nonlinear Nonlocal System

Thomas Y. Hou, Congming Li, Zuoqiang Shi +2

We investigate the singularity formation of a nonlinear nonlocal system. This nonlocal system is a simplified one-dimensional system of the 3D model that was recently proposed by H…