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288 papers · 1 filter

astro-ph.SR2009★ 480 cited

Kepler Asteroseismology Program: Introduction and First Results

Ronald L. Gilliland, T. M. Brown, J. Christensen-Dalsgaard +32

Asteroseismology involves probing the interiors of stars and quantifying their global properties, such as radius and age, through observationsof normal modes of oscillation. The te…

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…

hep-lat2009★ 5 cited

The Ds and D+ Leptonic Decay Constants from Lattice QCD

A. Bazavov, C. Bernard, C. DeTar +16

We present the leptonic decay constants fDs and fD+ computed on the MILC collaboration's 2+1 flavor asqtad gauge ensembles. We use clover heavy quarks with the Fermilab interpretat…

hep-ph2009★ 27 cited

QCD corrections to stoponium production at hadron colliders

James E. Younkin, Stephen P. Martin

If the lighter top squark has no kinematically allowed two-body decays that conserve flavor, then it will live long enough to form hadronic bound states. The observation of the dip…

hep-ph2009★ 83 cited

Discovering the Higgs Boson in New Physics Events using Jet Substructure

Graham D. Kribs, Adam Martin, Tuhin S. Roy +1

We present a novel method to discover the Higgs boson in new physics event samples at the LHC. Our technique applies to broad classes of models where the Higgs has a significant br…

hep-ex2009★ 12 cited

Search for New Physics with a Dijet plus Missing Transverse Energy Signature in p-pbar Collisions at sqrt(s) = 1.96 TeV

T. Aaltonen

We present results of a signature-based search for new physics using a dijet plus missing transverse energy data sample collected in 2 fb-1 of p-pbar collisions at sqrt(s) = 1.96 T…

hep-ex2009★ 75 cited

Measurement of the Production Cross Section and Search for Anomalous and Couplings in Collisions at TeV

The CDF Collaboration, T. Aaltonen

This Letter describes the current most precise measurement of the boson pair production cross section and most sensitive test of anomalous and couplings in $p \bar…

hep-ex2009★ 29 cited

Measurement of the Lambda_b Lifetime in Lambda_b -> Lambda_c+ pi- Decays in p-pbar Collisions at sqrt(s) = 1.96 TeV

The CDF Collaboration, T. Aaltonen

We report a measurement of the lifetime of the Lambda_b baryon in decays to the Lambda_C+ pi- final state in a sample corresponding to 1.1 fb^-1 collected in p-pbar collisions at s…

astro-ph.CO2009★ 814 cited

Results from the Final Exposure of the CDMS II Experiment

The CDMS Collaboration, Z. Ahmed

We report results from a blind analysis of the final data taken with the Cryogenic Dark Matter Search experiment (CDMS II) at the Soudan Underground Laboratory, Minnesota, USA. A t…

hep-ph2009★ 12 cited

Semileptonic decays of the standard Higgs boson

Bogdan A. Dobrescu, Joseph D. Lykken

The Higgs boson decay into a pair of real or virtual W bosons, with one of them decaying leptonically, is predicted within the Standard Model to have the largest branching fraction…

hep-ex2009★ 28 cited

A study of the associated production of photons and b-quark jets in p-pbar collisions at sqrt{s} = 1.96 TeV

CDF collaboration

The cross section for photon production in association with at least one jet containing a -quark hadron has been measured in proton antiproton collisions at TeV.…

hep-ph2009★ 57 cited

Charged Higgs boson production in association with a top quark in MC@NLO

C. Weydert, S. Frixione, M. Herquet +5

We discuss the calculation of charged Higgs boson production in association with top quark in the MC@NLO framework for combining NLO matrix elements with a parton shower. The proce…

astro-ph.CO2009★ 105 cited

On the Kennicutt-Schmidt relation of low-metallicity high-redshift galaxies

Nickolay Y. Gnedin, Andrey V. Kravtsov

We present results of self-consistent, high-resolution cosmological simulations of galaxy formation at z~3. The simulations employ recently developed recipe for star formation base…

hep-lat2009★ 89 cited

Quarkonium mass splittings in three-flavor lattice QCD

T. Burch, C. DeTar, M. Di Pierro +7

We report on calculations of the charmonium and bottomonium spectrum in lattice QCD. We use ensembles of gauge fields with three flavors of sea quarks, simulated with the asqtad im…

physics.acc-ph2009

Rapid Cycling Synchrotron Option for Project X

Weiren Chou

This paper presents an 8 GeV Rapid Cycling Synchrotron (RCS) option for Project X. It has several advantages over an 8 GeV SC linac. In particular, the cost could be lower. With a…

hep-ph2009★ 21 cited

Predictions for m_t and m_W in Minimal Supersymmetric Models

O. Buchmueller, R. Cavanaugh, A. De Roeck +7

Using a frequentist analysis of experimental constraints within two versions of the minimal supersymmetric extension of the Standard Model, we derive the predictions for the top qu…

hep-ex2009★ 22 cited

Dispersive analysis of K_{L mu3} and K_{L e3} scalar and vector form factors using KTeV data

KTeV collaboration, E. Abouzaid et al., V. Bernard +3

Using the published KTeV samples of K_L --> pi^{\pm} e^{\mp} nu and K_L --> pi^{\pm} mu^{\mp} nu decays [1], we perform a reanalysis of the scalar and vector form factors based on…

hep-ex2009★ 83 cited

Search for Fermion-Pair Decays $Q\Qbar \to (\t\Wmp)(\tbar\Wpm)$ in Same-Charge Dilepton Events

The CDF Collaboration

We report the most restrictive direct limits on masses of fourth-generation down-type quarks , and quark-like composite fermions ( or ), decaying promptly t…

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…

hep-ph2009★ 9 cited

Neutralino dark matter annihilation to monoenergetic gamma rays as a signal of low mass superstrings

Luis A. Anchordoqui, Haim Goldberg, Dan Hooper +2

We consider extensions of the standard model based on open strings ending on D-branes, in which gauge bosons and their associated gauginos exist as strings attached to stacks of D-…

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-ph2009★ 21 cited

The Lepton Sector of a Fourth Generation

Gustavo Burdman, Leandro Da Rold, Ricardo D. Matheus

In extensions of the standard model with a heavy fourth generation one important question is what makes the fourth-generation lepton sector, particularly the neutrinos, so differen…

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…

hep-ph2009★ 135 cited

Global interpretation of direct Dark Matter searches after CDMS-II results

Joachim Kopp, Thomas Schwetz, Jure Zupan

We perform a global fit to data from Dark Matter (DM) direct detection experiments, including the recent CDMS-II results. We discuss possible interpretations of the DAMA annual mod…