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590 papers · 1 filter

astro-ph.IM2012★ 14 cited

First determination of an astrophysical cross section with a bubble chamber: the 15N(α,γ)19F reaction

C. Ugalde, B. DiGiovine, D. Henderson +7

We have devised a technique for measuring some of the most important nuclear reactions in stars which we expect to provide considerable improvement over previous experiments. Adapt…

hep-lat2012★ 2 cited

Neutral B mixing from 2+1 flavor lattice QCD

E. D. Freeland, C. M. Bouchard, C. Bernard +5

We present an update of the Fermilab-MILC Collaboration's calculation of hadronic matrix elements for B^0-\bar{B^0} mixing. This work is a more extended analysis than our recent pu…

astro-ph.CO2012★ 119 cited

Improved Photometric Calibration of the SNLS and the SDSS Supernova Surveys

M. Betoule, J. Marriner, N. Regnault +13

We present a combined photometric calibration of the SNLS and the SDSS supernova survey, which results from a joint effort of the SDSS and the SNLS collaborations. We deliver fluxe…

astro-ph.HE2012★ 102 cited

Constraints on the origin of cosmic rays above eV from large scale anisotropy searches in data of the Pierre Auger Observatory

Pierre Auger Collaboration

A thorough search for large scale anisotropies in the distribution of arrival directions of cosmic rays detected above eV at the Pierre Auger Observatory is reported. For…

hep-ex2012★ 14 cited

Measurement of the combined rapidity and dependence of dijet azimuthal decorrelations in collisions at TeV

D0 Collaboration

We present the first combined measurement of the rapidity and transverse momentum dependence of dijet azimuthal decorrelations, based on the recently proposed quantity . Th…

hep-ex2012★ 6 cited

Comparisons of annual modulations in MINOS with the event rate modulation in CoGeNT

MINOS Collaboration

The CoGeNT collaboration has recently published results from a fifteen month data set which indicate an annual modulation in the event rate similar to what is expected from weakly…

astro-ph.EP2012★ 210 cited

Abundance, distribution, and origin of 60Fe in the solar protoplanetary disk

Haolan Tang, Nicolas Dauphas

Meteorites contain relict decay products of short-lived radionuclides that were present in the protoplanetary disk when asteroids and planets formed. Several studies reported a hig…

astro-ph.CO2012★ 25 cited

Effect of halo bias and Lyman Limit Systems on the history of cosmic reionization

Alexander A. Kaurov, Nickolay Y. Gnedin

We extend the existing analytical model of reionization by Furlanetto et al. (2004) to include the biasing of reionization sources and additional absorption by Lyman Limit systems.…

astro-ph.CO2012★ 62 cited

Accounting for Baryons in Cosmological Constraints from Cosmic Shear

Andrew R. Zentner, Elisabetta Semboloni, Scott Dodelson +3

One of the most pernicious theoretical systematics facing upcoming gravitational lensing surveys is the uncertainty introduced by the effects of baryons on the power spectrum of th…

gr-qc2012★ 14 cited

Equivalence Principle Violation in Weakly Vainshtein-Screened Systems

Alexander V. Belikov, Wayne Hu

Massive gravity, galileon and braneworld models that modify gravity to explain cosmic acceleration utilize the nonlinear field interactions of the Vainshtein mechanism to screen fi…

hep-lat2012★ 1 cited

Two-point Correlator Fits on HISQ Ensembles

A. Bazavov, C. Bernard, C. Bouchard +22

We present our methods to fit the two point correlators for light, strange, and charmed pseudoscalar meson physics with the highly improved staggered quark (HISQ) action. We make u…

hep-ph2012★ 112 cited

Indirect Probes of the MSSM after the Higgs Discovery

Wolfgang Altmannshofer, Marcela Carena, Nausheen R. Shah +1

We study the minimal supersymmetric standard model (MSSM) with minimal flavor violation (MFV), imposing constraints from flavor physics observables and MSSM Higgs searches, in ligh…

hep-ex2012★ 74 cited

Measurement of the t t-bar production cross section in pp collisions at sqrt(s) = 7 TeV with lepton + jets final states

CMS Collaboration

A measurement of the t t-bar production cross section in pp collisions at sqrt(s) = 7 TeV is presented. The results are based on data corresponding to an integrated luminosity of 2…

hep-ex2012★ 367 cited

Study of the mass and spin-parity of the Higgs boson candidate via its decays to Z boson pairs

CMS Collaboration

A study is presented of the mass and spin-parity of the new boson recently observed at the LHC at a mass near 125 GeV. An integrated luminosity of 17.3 inverse femtobarns, collecte…

hep-ex2012★ 54 cited

Search for supersymmetry in pp collisions at sqrt(s) = 7 TeV in events with a single lepton, jets, and missing transverse momentum

The CMS Collaboration

Results are reported from a search for new physics processes in events containing a single isolated high-transverse-momentum lepton (electron or muon), energetic jets, and large mi…

astro-ph.CO2012★ 280 cited

Constraints on Cosmology from the Cosmic Microwave Background Power Spectrum of the 2500 SPT-SZ Survey

Z. Hou, C. L. Reichardt, K. T. Story +49

We explore extensions to the CDM cosmology using measurements of the cosmic microwave background (CMB) from the recent SPT-SZ survey, along with data from WMAP7 and measurements…

hep-ex2012★ 38 cited

Search for new physics in events with same-sign dileptons and b jets in pp collisions at sqrt(s) = 8 TeV

CMS Collaboration

A search for new physics is performed using events with isolated same-sign leptons and at least two bottom-quark jets in the final state. Results are based on a sample of proton-pr…

astro-ph.GA2012★ 62 cited

A new Milky Way halo star cluster in the Southern Galactic Sky

Eduardo Balbinot, B. X. Santiago, L. da Costa +7

We report on the discovery of a new Milky Way companion stellar system located at (RA, Dec) = (22h10m43.15s, +14:56:58.8). The discovery was made using the eighth data release of S…

astro-ph.CO2012★ 6 cited

Testing the dark matter origin of the WMAP-Planck Haze with radio observations of Spiral Galaxies

Eric Carlson, Dan Hooper, Tim Linden +1

If the Galactic WMAP radio haze, as recently confirmed by Planck, is produced by dark matter annihilation or decay, similar diffuse radio halos should exist around other galaxies w…

hep-lat2012★ 39 cited

Kaon semileptonic vector form factor and determination of |V_{us}| using staggered fermions

A. Bazavov, C. Bernard, C. M. Bouchard +21

Using staggered fermions and twisted boundary conditions, we calculate the K meson semileptonic decay vector form factor at zero momentum transfer. The HISQ formulation is used for…

hep-lat2012★ 321 cited

Lattice QCD ensembles with four flavors of highly improved staggered quarks

The MILC Collaboration, A. Bazavov, C. Bernard +13

We present results from our simulations of quantum chromodynamics (QCD) with four flavors of quarks: u, d, s, and c. These simulations are performed with a one-loop Symanzik improv…

hep-ex2012★ 11 cited

Search for contact interactions in opposite-sign dimuon events in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

Results are reported from a search for the effects of contact interactions using events with a high-mass, oppositely charged muon pair. The events are collected in proton-proton co…

hep-ph2012★ 83 cited

The NRQED lagrangian at order 1/M^4

Richard J. Hill, Gabriel Lee, Gil Paz +1

The parity and time-reversal invariant effective lagrangian for a heavy fermion interacting with an abelian gauge field, i.e., NRQED, is constructed through order . The impl…

hep-ex2012★ 41 cited

Measurement of the cross section for prompt isolated diphoton production using the full CDF Run II data sample

CDF Collaboration

This Letter reports a measurement of the cross section for producing pairs of central prompt isolated photons in proton-antiproton collisions at a total energy of 1.96 TeV using da…