Showing 2010Show all

361 papers · 1 filter

hep-ex2010★ 7 cited

Upsilon(1S)->gamma+f2'(1525); f2'(1525)->K0sK0s decays

The CLEO Collaboration, D. Besson, D. P. Hogan +83

We report on a study of exclusive radiative decays of the Upsilon(1S) resonance into a final state consisting of a photon and two K0s candidates. We find evidence for a signal for…

hep-ex2010★ 212 cited

Measurement of the Inclusive Upsilon production cross section in pp collisions at sqrt(s)=7 TeV

CMS Collaboration

The Upsilon production cross section in proton-proton collisions at sqrt(s) = 7 TeV is measured using a data sample collected with the CMS detector at the LHC, corresponding to an…

hep-ex2010★ 30 cited

Search for a New Heavy Gauge Boson Wprime with Electron + missing ET Event Signature in ppbar collisions at sqrt(s)=1.96 TeV

The CDF Collaboration, T. Aaltonen

We present a search for a new heavy charged vector boson decaying to an electron-neutrino pair in collisions at a center-of-mass energy of $1.96\unit{TeV}$. T…

hep-ex2010★ 20 cited

Search for Pair Production of Second-Generation Scalar Leptoquarks in pp Collisions at sqrt(s) = 7 TeV

The CMS Collaboration

A search for pair production of second-generation scalar leptoquarks in the final state with two muons and two jets is performed using proton-proton collision data at sqrt(s) = 7 T…

hep-ex2010★ 24 cited

Search for Pair Production of First-Generation Scalar Leptoquarks in pp Collisions at sqrt(s) = 7 TeV

The CMS Collaboration

A search for pair production of first-generation scalar leptoquarks is performed in the final state containing two electrons and two jets using proton-proton collision data at sqrt…

cond-mat.mtrl-sci2010★ 45 cited

Pressure-Induced Structure Transitions in Eu Metal to 92 GPa

W. Bi, Y. Meng, R. S. Kumar +6

Synchrotron x-ray diffraction experiments have been carried out on Eu metal at ambient temperature to pressures as high as 92 GPa (0.92 Mbar). Following the well-known bcc-to-hcp t…

hep-ph2010★ 11 cited

Non-Standard Neutrino Interactions at One Loop

Brando Bellazzini, Yuval Grossman, Itay Nachshon +1

Neutrino oscillation experiments are known to be sensitive to Non-Standard Interactions (NSIs). We extend the NSI formalism to include one-loop effects. We discuss universal effect…

cond-mat.str-el2010★ 135 cited

Dynamical mean-field theory from a quantum chemical perspective

Dominika Zgid, Garnet Kin-Lic Chan

We investigate the dynamical mean-field theory (DMFT) from a quantum chemical perspective. Dynamical mean-field theory offers a formalism to extend quantum chemical methods for fin…

astro-ph.IM2010★ 1 cited

Pulsars with the Australian Square Kilometre Array Pathfinder

I. H. Stairs, M. J. Keith, Z. Arzoumanian +33

The Australian Square Kilometre Array Pathfinder (ASKAP) is a 36-element array with a 30-square-degree field of view being built at the proposed SKA site in Western Australia. We a…

math.NT2010★ 1 cited

Abelian varieties over large algebraic fields with infinite torsion

David Zywina

Let A be an abelian variety of positive dimension defined over a number field K and let Kbar be a fixed algebraic closure of K. For each element sigma of the absolute Galois group…

astro-ph.GA2010★ 179 cited

Mid-Infrared Spectral Diagnostics of Luminous Infrared Galaxies

A. O. Petric, L. Armus, J. Howell +22

We present a statistical analysis of the mid-infrared (MIR) spectra of 248 luminous infrared (IR) galaxies (LIRGs) which comprise the Great Observatories All-sky LIRG Survey (GOALS…

hep-th2010★ 41 cited

Sequestering in String Compactifications

Marcus Berg, David Marsh, Liam McAllister +1

We study the mediation of supersymmetry breaking in string compactifications whose moduli are stabilized by nonperturbative effects. We begin with a critical review of arguments fo…

astro-ph.CO2010★ 39 cited

Influence of the Environment on PAH Emission in Star-Forming Regions

V. Lebouteiller, J. Bernard-Salas, D. G. Whelan +5

We investigate the emission properties of polycyclic aromatic hydrocarbons (PAHs) in various metallicity environments with the Infrared Spectrograph on board Spitzer. Local giant H…

astro-ph.GA2010★ 70 cited

The 9.7 and 18 um silicate absorption profiles towards diffuse and molecular cloud lines-of-sight

J. M. van Breemen, M. Min, J. E. Chiar +8

Studying the composition of dust in the interstellar medium (ISM) is crucial in understanding the cycle of dust in our galaxy. The mid-infrared spectral signature of amorphous sili…

cond-mat.supr-con2010★ 43 cited

Structural origin of apparent Fermi surface pockets in angle-resolved photoemission of BiSrLaCuO

P. D. C. King, J. A. Rosen, W. Meevasana +11

We observe apparent hole pockets in the Fermi surfaces of single-layer Bi-based cuprate superconductors from angle-resolved photoemission (ARPES). From detailed low-energy electron…

math.AG2010

High rank linear syzygies on low rank quadrics

Hal Schenck, Mike Stillman

We study the linear syzygies of a homogeneous ideal I in a polynomial ring S, focusing on the graded betti numbers b_(i,i+1) = dim_k Tor_i(S/I, k)_(i+1). For a variety X and diviso…

cond-mat.quant-gas2010★ 41 cited

Evolution of the Pseudogap in a polarized Fermi gas

Erich J. Mueller

We calculate the single particle spectral density of a normal (non-superfluid) two component gas of fermions in the BCS-BEC crossover within a T-matrix approximation. We review how…

cond-mat.quant-gas2010★ 13 cited

On the viscosity to entropy density ratio for unitary Bose and Fermi Gases

André LeClair

We calculate the ratio of the viscosity to the entropy density for both Bose and Fermi gases in the unitary limit using a new approach to the quantum statistical mechanics of gases…

hep-ph2010★ 29 cited

Proper Eighth-Order Vacuum-Polarization Function and its Contribution to the Tenth-Order Lepton g-2

T. Aoyama, M. Hayakawa, T. Kinoshita +1

This paper reports the Feynman-parametric representation of the vacuum-polarization function consisting of 105 Feynman diagrams of the eighth order, and its contribution to the gau…

gr-qc2010★ 81 cited

Forced motion near black holes

Jonathan R. Gair, Eanna E. Flanagan, Steve Drasco +2

We present two methods for integrating forced geodesic equations in the Kerr spacetime, which can accommodate arbitrary forces. As a test case, we compute inspirals under a simple…

gr-qc2010★ 80 cited

Frame-Dragging Vortexes and Tidal Tendexes Attached to Colliding Black Holes: Visualizing the Curvature of Spacetime

Robert Owen, Jeandrew Brink, Yanbei Chen +8

When one splits spacetime into space plus time, the spacetime curvature (Weyl tensor) gets split into an "electric" part E_{jk} that describes tidal gravity and a "magnetic" part B…

cs.DS2010★ 296 cited

A simple and practical algorithm for differentially private data release

Moritz Hardt, Katrina Ligett, Frank McSherry

We present new theoretical results on differentially private data release useful with respect to any target class of counting queries, coupled with experimental results on a variet…

astro-ph.HE2010★ 16 cited

Antiprotons from Dark Matter: Effects of a Position-Dependent Diffusion Coefficient

Maxim Perelstein, Bibhushan Shakya

Energetic antiprotons in cosmic rays can serve as an important indirect signature of dark matter. Conventionally, the antiproton flux from dark matter decays or annihilations is ca…

hep-ex2010★ 57 cited

Measurement of ttbar Spin Correlation in ppbar Collisions Using the CDF II Detector at the Tevatron

T. Aaltonen et al.

The ttbar spin correlation at production is a fundamental prediction of QCD and a potentially incisive test of new physics coupled to top quarks. We measure the ttbar spin state in…