Showing 2011Show all

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hep-ex2011★ 20 cited

Search for Higgs bosons of the minimal supersymmetric standard model in p-pbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration

We report results from searches for neutral Higgs bosons produced in p-pbar collisions recorded by the Dzero experiment at the Fermilab Tevatron Collider. We study the production o…

hep-ex2011★ 1 cited

An additional study of multi-muon events produced in {\boldmath } collisions at {\boldmath } TeV

CDF Collaboration

We present one additional study of multi-muon events produced at the Fermilab Tevatron collider and recorded by the CDF II detector. We use a data set acquired with a dedicated dim…

hep-lat2011★ 8 cited

Pseudoscalar decay constants, light-quark masses, and B_K from mixed-action lattice QCD

Jack Laiho, Ruth S. Van de Water

We present updated results for the leptonic decay constants f_pi and f_K, the light u, d, and s-quark masses, and the neutral kaon mixing parameter B_K from mixed-action lattice si…

astro-ph.CO2011★ 69 cited

The SDSS Coadd: Cosmic Shear Measurement

Huan Lin, Scott Dodelson, Hee-Jong Seo +7

Stripe 82 in the Sloan Digital Sky Survey was observed multiple times, allowing deeper images to be constructed by coadding the data. Here we analyze the ellipticities of backgroun…

astro-ph.CO2011★ 8 cited

The SDSS Coadd: Cross-Correlation Weak Lensing and Tomography of Galaxy Clusters

Melanie Simet, Jeffrey M. Kubo, Scott Dodelson +7

The shapes of distant galaxies are sheared by intervening galaxy clusters. We examine this effect in Stripe 82, a 275 square degree region observed multiple times in the Sloan Digi…

astro-ph.CO2011★ 42 cited

The SDSS Coadd: A Galaxy Photometric Redshift Catalog

Ribamar R. R. Reis, Marcelle Soares-Santos, James Annis +7

We present and describe a catalog of galaxy photometric redshifts (photo-z's) for the Sloan Digital Sky Survey (SDSS) Coadd Data. We use the Artificial Neural Network (ANN) techniq…

astro-ph.CO2011★ 203 cited

The SDSS Coadd: 275 deg^2 of Deep SDSS Imaging on Stripe 82

James Annis, Marcelle Soares-Santos, Michael A. Strauss +17

We present details of the construction and characterization of the coaddition of the Sloan Digital Sky Survey Stripe 82 \ugriz\ imaging data. This survey consists of 275 deg of…

hep-lat2011★ 9 cited

B and D meson decay constants from 2+1 flavor improved staggered simulations

E. T. Neil, Jon A. Bailey, A. Bazavov +21

We give an update on simulation results for the decay constants f_B, f_{B_s}, f_D and f_{D_s}. These decay constants are important for precision tests of the standard model, in par…

hep-ph2011★ 1 cited

Topcolor in the LHC Era

Elizabeth H. Simmons, R. Sekhar Chivukula, Baradhwaj Coleppa +2

Ongoing LHC searches for the standard model Higgs Boson in WW or ZZ decay modes strongly constrain the top-Higgs state predicted in many models with new dynamics that preferentiall…

hep-ex2011★ 7 cited

Measurement of the branching fraction at CDF

T. Aaltonen

We report an analysis of the decay in a data sample collected by the CDF II detector at the Fermilab Tevatron corresponding to 2.4 fb of int…

hep-lat2011★ 199 cited

B- and D-meson decay constants from three-flavor lattice QCD

A. Bazavov, C. Bernard, C. M. Bouchard +20

We calculate the leptonic decay constants of B_{(s)} and D_{(s)} mesons in lattice QCD using staggered light quarks and Fermilab bottom and charm quarks. We compute the heavy-light…

hep-ex2011★ 26 cited

Measurement of ZZ production in leptonic final states at {\surd}s of 1.96 TeV at CDF

T. Aaltonen, B. Alvarez Gonzalez, S. Amerio +512

In this paper we present a precise measurement of the total ZZ production cross section in pp collisions at {\surd}s= 1.96 TeV, using data collected with the CDF II detector corres…

hep-ex2011★ 6 cited

Search for Standard Model Higgs Boson Production in Association with a W Boson at CDF

T. Aaltonen, B. Álvarez González, S. Amerio +498

We present a search for the standard model Higgs boson production in association with a boson in proton-antiproton collisions ($p\bar{p}\rightarrow W^\pm H \rightarrow \ellνb\b…

astro-ph.CO2011★ 119 cited

The X-factor in Galaxies: I. Dependence on Environment and Scale

Robert Feldmann, Nickolay Y. Gnedin, Andrey V. Kravtsov

Characterizing the conversion factor between CO emission and column density of molecular hydrogen, X_CO, is crucial in studying the gaseous content of galaxies, its evolution, and…

hep-ex2011★ 47 cited

Measurement of the CP-Violating Phase beta_s in B0s -> J/Psi Phi Decays with the CDF II Detector

CDF Collaboration, T. Aaltonen

We present a measurement of the \CP-violating parameter \betas using approximately 6500 $\BsJpsiPhi$ decays reconstructed with the CDF\,II detector in a sample of collisi…

astro-ph.EP2011★ 245 cited

Kepler-22b: A 2.4 Earth-radius Planet in the Habitable Zone of a Sun-like Star

William J. Borucki, David G. Koch, Natalie Batalha +80

A search of the time-series photometry from NASA's Kepler spacecraft reveals a transiting planet candidate orbiting the 11th magnitude G5 dwarf KIC 10593626 with a period of 290 da…

hep-ex2011★ 5 cited

Search for new phenomena in events with two bosons and missing transverse momentum in collisions at TeV

T. Aaltonen, B. Alvarez Gonzalez, S. Amerio +512

We present a search for new phenomena in events with two reconstructed bosons and large missing transverse momentum, sensitive to processes $p\bar{p}\rightarrow X_2X_2 \rightar…

astro-ph.CO2011★ 107 cited

The Real Problem with MOND

Scott Dodelson

Gravitational potentials in the cosmos are deeper than expected from observed visible objects, a phenomenon usually attributed to dark matter, presumably in the form of a new funda…

physics.acc-ph2011

Measurement of magnetic permeability of steel laminations of Booster gradient magnets

Yury Tokpanov, Valeri Lebedev, William Pellico

New experiments at Fermilab require higher beam intensities at Booster, resulting in higher influence of magnet steel on the beam. In order to carefully take these effects into acc…

physics.acc-ph2011★ 5 cited

Status of the LBNE Neutrino Beamline

Vaia Papadimitriou

The Long Baseline Neutrino Experiment (LBNE) will utilize a neutrino beamline facility located at Fermilab to carry out a compelling research program in neutrino physics. The facil…

hep-ex2011★ 29 cited

Measurements of WW and WZ production in W + jets final states in p-pbar collisions

D0 Collaboration

We study WW and WZ production with () final states using data collected by the D0 detector at the Fermilab Tevatron Collider corresponding to 4.3 fb^-1 of integrate…

astro-ph.CO2011★ 99 cited

Non-Thermal Dark Matter Mimicking An Additional Neutrino Species In The Early Universe

Dan Hooper, Farinaldo S. Queiroz, Nickolay Y. Gnedin

The South Pole Telescope (SPT), Atacama Cosmology Telescope (ACT), and Wilkinson Microwave Anisotropy Probe (WMAP) have each reported measurements of the cosmic microwave backgroun…

hep-ex2011★ 43 cited

Search for heavy vector-like quarks coupling to light quarks in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector

ATLAS Collaboration

This letter presents a search for singly produced vector-like quarks, Q, coupling to light quarks, q. The search is sensitive to both charged current (CC) and neutral current (NC)…

hep-ph2011★ 45 cited

Cross Sections for Leptophobic Topcolor Z' decaying to top-antitop

Robert M. Harris, Supriya Jain

We present numerical calculations of the production cross section of a heavy Z' resonance in hadron-hadron collisions with subsequent decay into top-antitop pairs. In particular, w…