output
19912026
most citedMeasurements of Omega and Lambda from 42 High-Redshift Supernovae

18.1k citations

Showing 2007Show all

277 papers · 1 filter

astro-ph2007★ 39 cited

The chemical compositions of 10 new sub-DLAs and strong Lyman-limit systems at z < 1.5

Joseph D. Meiring, Varsha P. Kulkarni, James T. Lauroesch +4

We present chemical abundance measurements from medium resolution observations of 8 sub-damped Lyman-alpha absorber and 2 strong Lyman-limit systems at z < 1.5 observed with the MI…

physics.ins-det2007★ 36 cited

Detectors and flux instrumentation for future neutrino facilities

T. Abe, H. Aihara, C. Andreopoulos +66

This report summarises the conclusions from the detector group of the International Scoping Study of a future Neutrino Factory and Super-Beam neutrino facility. The baseline detect…

hep-ph2007★ 8 cited

A Method for the Precision Mass Measurement of the Stop Quark at the International Linear Collider

Ayres Freitas, Caroline Milstene, Michael Schmitt +1

Many supersymmetric models predict new particles within the reach of the next generation of colliders. For an understanding of the model structure and the mechanism(s) of symmetry…

hep-ph2007★ 70 cited

Initial-state showering based on colour dipoles connected to incoming parton lines

Jan-Christopher Winter, Frank Krauss

A parton-shower model for hadronic collisions based on the emission properties of QCD dipoles is proposed. This proposal therefore extends the well-known radiation pattern of pure…

astro-ph2007★ 25 cited

A method to search for strong galaxy-galaxy lenses in optical imaging surveys

Jeffrey M. Kubo, Ian P. Dell'Antonio

We present a semi-automated method to search for strong galaxy-galaxy lenses in optical imaging surveys. Our search technique constrains the shape of strongly lensed galaxies (or a…

astro-ph2007★ 193 cited

The Surface Detector System of the Pierre Auger Observatory

I. Allekotte, A. F. Barbosa, P. Bauleo +17

The Pierre Auger Observatory is designed to study cosmic rays with energies greater than 10^{19} eV. Two sites are envisaged for the observatory, one in each hemisphere, for comple…

physics.class-ph2007★ 187 cited

Three dimensional image correlation from X-Ray computed tomography of solid foam

Stephane Roux, François Hild, Philippe Viot +1

A new methodology is proposed to estimate 3D displacement fields from pairs of images obtained from X-Ray Computed Micro Tomography (XCMT). Contrary to local approaches, a global a…

hep-ex2007★ 208 cited

First Flavor-Tagged Determination of Bounds on Mixing-Induced CP Violation in Bs -> J/psi phi Decays

CDF Collaboration, T. Aaltonen

This Letter describes the first determination of bounds on the CP-violation parameter 2*beta_s using Bs decays in which the flavor of the bottom meson at production is identified.…

astro-ph2007★ 18 cited

Do broad absorption line quasars live in different environments from ordinary quasars?

Yue Shen, Michael A. Strauss, Patrick B. Hall +3

We select a sample of traditionally defined broad absorption line quasars (BALQs) from the Fifth Data Release quasar catalog of the Sloan Digital Sky Survey. For a stat…

hep-ex2007★ 41 cited

Model-independent measurement of the W boson helicity in top quark decays

D0 Collaboration, V. M. Abazov

We present the first model-independent measurement of the helicity of bosons produced in top quark decays, based on a 1 fb sample of candidate events in the d…

astro-ph2007★ 20 cited

Passive Evolution of Galaxy Clustering

Hee-Jong Seo, Daniel J. Eisenstein, Idit Zehavi

We present a numerical study of the evolution of galaxy clustering when galaxies flow passively from high redshift, respecting the continuity equation throughout. While passive flo…

gr-qc2007★ 9 cited

Numerical performance of the parabolized ADM (PADM) formulation of General Relativity

Vasileios Paschalidis, Jakob Hansen, Alexei Khokhlov

In a recent paper the first coauthor presented a new parabolic extension (PADM) of the standard 3+1 Arnowitt, Deser, Misner formulation of the equations of general relativity. By p…

hep-th2007★ 67 cited

Standard Model Gauging of the WZW Term: Anomalies, Global Currents and pseudo-Chern-Simons Interactions

Jeffrey A. Harvey, Christopher T. Hill, Richard J. Hill

The standard model gauging of the Wess-Zumino-Witten term requires a modified counterterm when background fields, needed to generate the full set of currents…

hep-ex2007★ 239 cited

First measurement of the forward-backward charge asymmetry in top quark pair production

D0 Collaboration, V. M. Abazov

We present the first measurement of the integrated forward-backward charge asymmetry in top-antitop quark pair (ttbar) production in proton-antiproton collisions in the lepton plus…

hep-ex2007★ 37 cited

Search for ZZ and Zγ^* production in p-barp collisions at sqrt(s) = 1.96 TeV and limits on anomalous ZZZ and ZZγ^* couplings

D0 Collaboration, V. Abazov

We present a study of four muon, four electron, and two muon two electron events using 1 fb^(-1) of data collected with the D0 detector at the Fermilab Tevatron p-barp Collider at…

hep-ex2007★ 18 cited

A combined search for the standard model Higgs boson at sqrt{s}=1.96 TeV

D0 Collaboration, V. M. Abazov

We present new results of the search for WH to lepton neutrino b b production in ppbar collisions at a center of mass energy of sqrt{s}=1.96 TeV, based on a dataset with integrated…

hep-ex2007★ 41 cited

Search for the Decay

E391a Collaboration, J. K. Ahn

We performed a search for the decay at the KEK 12-GeV proton synchrotron. No candidate events were observed. An upper limit on the branching ratio for the de…

hep-ex2007★ 125 cited

Search for squarks and gluinos in events with jets and missing transverse energy using 2.1 fb-1 of ppbar collision data at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

A data sample corresponding to an integrated luminosity of 2.1 fb-1 collected by the D0 detector at the Fermilab Tevatron Collider was analyzed to search for squarks and gluinos pr…

hep-ex2007★ 32 cited

Measurement of the B0_s semileptonic branching ratio to an orbitally excited D_s** state, Br(B0_s -> Ds1(2536) mu nu)

D0 Collaboration, V. Abazov

In a data sample of approximately 1.3 fb-1 collected with the D0 detector between 2002 and 2006, the orbitally excited charm state D_s1(2536) has been observed with a measured mass…

astro-ph2007★ 36 cited

A Model-Independent Method of Determining Energy Scale and Muon Number in Cosmic Ray Surface Detectors

Fabian Schmidt, Maximo Ave, Lorenzo Cazon +1

Surface detector arrays are designed to measure the spectrum and composition of high-energy cosmic rays by detecting the secondary particle flux of the Extensive Air Showers (EAS)…

hep-ph2007★ 33 cited

Light charged Higgs at the beginning of the LHC era

Gabriela Barenboim, Enrico Lunghi, Paride Paradisi +2

The terascale will be explored with the start of the LHC. One of the most fundamental questions which we expect to be answered is the root of electroweak symmetry breaking and whet…

hep-ex2007★ 12 cited

First Measurement of the Fraction of Top Quark Pair Production Through Gluon-Gluon Fusion

CDF Collaboration, T. Aaltonen

We present the first measurement of the fraction of top quark pair production through gluon-gluon fusion. We use 0.96/fb of s**(1/2)=1.96 TeV p-pbar collision data recorded with th…

hep-ph2007★ 110 cited

Logarithmically Enhanced Corrections to the Decay Rate and Forward Backward Asymmetry in anti-B --> X(s) l+ l-

Tobias Huber, Tobias Hurth, Enrico Lunghi

We study logarithmically enhanced electromagnetic corrections to the decay rate in the high dilepton invariant mass region as well as corrections to the forward backward asymmetry…

astro-ph2007★ 374 cited

Correlation of the highest-energy cosmic rays with the positions of nearby active galactic nuclei

The Pierre Auger Collaboration

Data collected by the Pierre Auger Observatory provide evidence for anisotropy in the arrival directions of the cosmic rays with the highest energies, which are correlated with the…