Showing 2009Show all

177 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…

nucl-th2009★ 120 cited

Do we understand the incompressibility of neutron-rich matter?

J. Piekarewicz

The ``breathing mode'' of neutron-rich nuclei is our window into the incompressibility of neutron-rich matter. After much confusion on the interpretation of the experimental data,…

nucl-ex2009★ 165 cited

Differential cross section and recoil polarization measurements for the gamma p to K+ Lambda reaction using CLAS at Jefferson Lab

M. E. McCracken, M. Bellis, C. A. Meyer +1

We present measurements of the differential cross section and Lambda recoil polarization for the gamma p to K+ Lambda reaction made using the CLAS detector at Jefferson Lab. These…

physics.ins-det2009★ 21 cited

Radiation hardness qualification of PbWO4 scintillation crystals for the CMS Electromagnetic Calorimeter

The CMS Electromagnetic Calorimeter Group, P. Adzic, N. Almeida +267

Ensuring the radiation hardness of PbWO4 crystals was one of the main priorities during the construction of the electromagnetic calorimeter of the CMS experiment at CERN. The produ…

hep-ph2009★ 25 cited

Kaons in Dense Half-Skyrmion Matter

Byung-Yoon Park, Joon-Il Kim, Mannque Rho

Dense hadronic matter at low temperature is expected to be in crystal and at high density make a transition to a {\em chirally restored but color-confined} state which is a novel p…

astro-ph.CO2009★ 78 cited

Secondary Parameters of Type Ia Supernova Light Curves

P. Hoeflich, K. Krisciunas, A. M. Khokhlov +6

High-quality observations of and light curves obtained at Las Campanas Observatory for local Type Ia Supernovae (SNe Ia) show clear evidence that SNe Ia with the same brigh…

cond-mat.str-el2009★ 7 cited

Magnetic field induced quantum phase transition of the antiferromagnet

S. Nellutla, M. Pati, Y. -J. Jo +11

The magnetic properties of alkali-metal peroxychromate KNaCrO are governed by the pentavalent chromium cation, Cr. Specific heat, magnetocalorimetry, ac ma…

hep-ex2009★ 12 cited

Search for the associated production of a b quark and a neutral supersymmetric Higgs boson which decays to tau pairs

D0 Collaboration, V. M. Abazov

We report results from a search for production of a neutral Higgs boson in association with a quark. We search for Higgs decays to pairs with one subsequently decaying…

nucl-th2009★ 45 cited

Garvey-Kelson Relations for Nuclear Charge Radii

Jorge Piekarewicz, Mario Centelles, Xavier Roca-Maza +1

The Garvey-Kelson relations (GKRs) are algebraic expressions originally developed to predict nuclear masses. In this letter we show that the GKRs provide a fruitful framework for t…

hep-ex2009★ 20 cited

Search for the Standard Model Higgs Boson in the ZH->vvbb Channel in 5.2 fb-1 of p-pbar Collisions at sqrt(s)=1.96 TeV

D0 Collaboration

A search is performed for the standard model Higgs boson in 5.2 fb-1 of p-pbar collisions at sqrt(s)=1.96 TeV, collected with the D0 detector at the Fermilab Tevatron Collider. The…

hep-ex2009★ 187 cited

Double parton interactions in photon+3 jet events in ppbar collisions sqrt{s}=1.96 TeV

D0 Collaboration

We have used a sample of photon+3 jets events collected by the D0 experiment with an integrated luminosity of about 1 fb^-1 to determine the fraction of events with double parton s…

nucl-ex2009★ 38 cited

Differential cross section of gamma n to K+ Sigma- on bound neutrons with incident photons from 1.1 to 3.6 GeV

S. Anefalos Pereira, M. Mirazita, P. Rossi +4

Differential cross sections of the reaction gamma d to K+ Sigma- (p) have been measured with the CLAS detector at Jefferson Lab using incident photons with energies between 1.1 and…

cond-mat.str-el2009★ 1 cited

Surface Reconstruction of Hexagonal Y-doped HoMnO3 and LuMnO3 studied using low-energy electron diffraction

R. Vasic, J. T. Sadowski, Y. J. Choi +5

We have investigated the (0001) surfaces of several hexagonal manganite perovskites by low-energy electron diffraction (LEED) in order to determine if the surface periodicity is di…

nucl-ex2009★ 40 cited

Photoproduction of meson pairs: First measurement of the polarization observable I^s

E. Gutz, V. Sokhoyan, H. van Pee +64

The polarization observable I^s, a feature exclusive to the acoplanar kinematics of multi-meson final states produced via linearly polarized photons, has been measured for the firs…

hep-ex2009★ 85 cited

Transverse momentum dependence of J/psi polarization at midrapidity in p+p collisions at sqrt(s)=200 GeV

PHENIX Collaboration, A. Adare

We report the measurement of the transverse momentum dependence of inclusive J/psi polarization in p+p collisions at sqrt(s)=200 GeV performed by the PHENIX Experiment at RHIC. The…

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…

nucl-ex2009★ 316 cited

Detailed measurement of the e+e- pair continuum in p+p and Au+Au collisions at sqrt(s_NN)=200 GeV and implications for direct photon production

PHENIX Collaboration, A. Adare

PHENIX has measured the e^+e^- pair continuum in sqrt(s_NN)=200 GeV Au+Au and p+p collisions over a wide range of mass and transverse momenta. The e^+e^- yield is compared to the e…

cond-mat.str-el2009★ 34 cited

Pressure-Induced Insulating State in Ba1-xRExIrO3 (RE = Gd, Eu) Single Crystals

O. B. Korneta, S. Chikara, S. Parkin +3

BaIrO3 is a novel insulator with coexistent weak ferromagnetism, charge and spin density wave. Dilute RE doping for Ba induces a metallic state, whereas application of modest press…

cond-mat.supr-con2009★ 3 cited

Disorder Induced Effects on the Critical Current Density of Iron Pnictide BaFe_1.8 Co_0.2 As_2 single crystals

M. Zehetmayer, M. Eisterer, H. W. Weber +6

Investigating the role of disorder in superconductors is an essential part of characterizing the fundamental superconducting properties as well as assessing potential applications…

hep-ph2009★ 37 cited

Testing Yukawa-unified SUSY during year 1 of LHC: the role of multiple b-jets, dileptons and missing E_T

Howard Baer, Sabine Kraml, Andre Lessa +1

We examine the prospects for testing SO(10) Yukawa-unified supersymmetric models during the first year of LHC running at \sqrt{s}= 7 TeV, assuming integrated luminosity values of 0…

nucl-ex2009★ 26 cited

Cross sections and Rosenbluth separations in 1H(e, e'K+)Lambda up to Q2=2.35 GeV2

M. Coman, P. Markowitz, K. A. Aniol +83

The kaon electroproduction reaction 1H(e,e'K+)Lambda was studied as a function of the virtual-photon four-momentum, Q2, total energy, W, and momentum transfer, t, for different val…

math.CA2009★ 1 cited

Convolution with measures on flat curves in low dimensions

Daniel M. Oberlin

We prove convolution estimates for affine arclength measure on certain flat curves in dimensions 2, 3, and 4.

cond-mat.str-el2009★ 6 cited

Aging and memory in a two-dimensional electron system in Si

J. Jaroszynski, Dragana Popovic

The relaxations of conductivity after a temporary change of carrier density n_s during the waiting time t_w have been studied in a strongly disordered two-dimensional electron syst…