Showing 2005 · hep-exShow all

26 papers · 2 filters

hep-ex2005★ 69 cited

First Observations of Separated Atmospheric Muon Neutrino and Muon Anti-Neutrino Events in the MINOS Detector

MINOS Collaboration

The complete 5.4 kton MINOS far detector has been taking data since the beginning of August 2003 at a depth of 2070 meters water-equivalent in the Soudan mine, Minnesota. This pape…

hep-ex2005★ 6 cited

Experimental Ultra--High-Energy Cosmic Ray Physics

Stefan Westerhoff

One of the most striking astrophysical phenomena today is the existence of cosmic ray particles with energies in excess of 10^20 eV. While their presence has been confirmed by a nu…

hep-ex2005

Transverse Spin at PHENIX: Results and Prospects

C. Aidala

The Relativistic Heavy Ion Collider (RHIC), as the world's first and only polarized proton collider, offers a unique environment in which to study the spin structure of the proton.…

hep-ex2005★ 108 cited

Measurement of the Isolated Photon Cross Section in p-pbar Collisions at sqrt{s}=1.96 TeV

D0 Collaboration

The cross section for the inclusive production of isolated photons has been measured in p anti-p collisions at sqrt{s}=1.96 TeV with the D0 detector at the Fermilab Tevatron Collid…

hep-ex2005★ 20 cited

Experimental Study of chi_b(2P) --> pi pi chi_b(1P)

C. Cawlfield, CLEO Collaboration

We have searched for the di-pion transition chi_b(2P) -> pi pi chi_b(1P) in the CLEO III sample of Upsilon(3S) decays in the exclusive decay chain: Upsilon(3S) -> gamma chi_b(2P),…

hep-ex2005★ 66 cited

Measurement of the production cross-section of positive pions in p-Al collisions at 12.9 GeV/c

HARP Collaboration

A precision measurement of the double-differential production cross-section, , for pions of positive charge, performed in the HARP experiment is presented.…

hep-ex2005★ 192 cited

Precise Measurement of Neutrino and Anti-neutrino Differential Cross Sections

M. Tzanov, D. Naples, S. Boyd +45

The NuTeV experiment at Fermilab has obtained a unique high statistics sample of neutrino and anti-neutrino interactions using its high-energy sign-selected beam. We present a meas…

hep-ex2005★ 20 cited

Search for the Higgs boson in H->WW(*) decays in p anti-p collisions at S**(1/2) = 1.96-TEV

D0 Collaboration, V. Abazov

We present a search for the standard model Higgs boson in H->WW(*), decays with ee, emu and mumu final states in p anti-p collisions at a center-of-mass energy of S**(1/2) = 1.96-T…

hep-ex2005★ 54 cited

Single Electrons from Heavy Flavor Decays in p+p Collisions at sqrt(s) = 200 GeV

PHENIX Collaboration, S. S. ~Adler, S. ~Afanasiev +327

The invariant differential cross section for inclusive electron production in collisions at ~GeV has been measured by the PHENIX experiment at the Relativis…

hep-ex2005★ 16 cited

Measurement of the Lifetime Difference in the B_s^0 System

D0 Collaboration, V. M. Abazov

We present a study of the decay B_s^0 -> J/psi phi We obtain the CP-odd fraction in the final state at time zero, R_perp = 0.16 +/- 0.10 (stat) +/- 0.02 (syst), the average lifetim…

hep-ex2005★ 156 cited

Measurement of Transverse Single-Spin Asymmetries for Mid-rapidity Production of Neutral Pions and Charged Hadrons in Polarized p+p Collisions at sqrt(s) = 200 GeV

PHENIX Collaboration, S. S. Adler

The transverse single-spin asymmetries of neutral pions and non-identified charged hadrons have been measured at mid-rapidity in polarized proton-proton collisions at sqrt(s) = 200…

hep-ex2005★ 24 cited

Measurement of Semileptonic Branching Fractions of B Mesons to Narrow D** States

D0 Collaboration, V. Abazov

Using the data accumulated in 2002-2004 with the DO detector in proton-antiproton collisions at the Fermilab Tevatron collider with centre-of-mass energy 1.96 TeV, the branching fr…

hep-ex2005★ 11 cited

Search for Exotic Baryons in 800 GeV pp (rtarrow) pXiPiX

D. C. Christian, J. Felix, E. E. Gottschalk +8

We report the results of a high-statistics, sensitive search for narrow baryon resonances decaying to , , , and . The only resonances observ…

hep-ex2005★ 38 cited

Search for Large Extra Spatial Dimensions in Dimuon Production with the D0 Detector

D0 Collaboration, V. Abazov

We present the results of a search for the effects of large extra spatial dimensions in collisions at 1.96 TeV in events containing a pair of energetic muo…

hep-ex2005★ 22 cited

Measurement of the ttbar Production Cross Section in ppbar Collisions at sqrt(s)=1.96 TeV in Dilepton Final States

D0 Collaboration, V. Abazov

We present a measurement of the top quark pair (ttbar) production cross section in ppbar collisions at a center-of-mass energy of 1.96 TeV using 230 pb-1 of data collected by the D…

hep-ex2005★ 44 cited

Search for single top quark production in ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V Abazov

We present a search for electroweak production of single top quarks in the s-channel and t-channel using neural networks for signal-background separation. We have analyzed 230 pb$^…

hep-ex2005★ 40 cited

Search for right-handed W bosons in top quark decay

D0 Collaboration, V. Abazov

We present a measurement of the fraction f+ of right-handed W bosons produced in top quark decays, based on a candidate sample of events in the lepton+jets decay mode. T…

hep-ex2005★ 43 cited

Search for Randall-Sundrum Gravitons in Dilepton and Diphoton Final States

D0 Collaboration, V. M. Abazov

We report the first direct search for the Kaluza-Klein (KK) modes of Randall-Sundrum gravitons using dielectron, dimuon, and diphoton events observed with the D0 detector operating…

hep-ex2005★ 39 cited

Measurement of the ttbar Production Cross Section in ppbar Collisions at sqrt(s)=1.96 TeV using Lepton + Jets Events with Lifetime b-tagging

D0 Collaboration, V. Abazov

We present a measurement of the top quark pair () production cross section () in collisions at TeV using 230 pb of data co…

hep-ex2005★ 50 cited

Measurement of the ttbar Production Cross Section in ppbar Collisions at sqrt{s} = 1.96 TeV using Kinematic Characteristics of Lepton + Jets Events

D0 Collaboration, V. M. Abazov

We present a measurement of the top quark pair ttbar production cross section in ppbar collisions at a center-of-mass energy of 1.96 TeV using 230 pb**{-1} of data collected by the…

hep-ex2005★ 32 cited

Search for Supersymmetry via Associated Production of Charginos and Neutralinos in Final States with Three Leptons

D0 Collaboration, V. Abazov

A search for associated production of charginos and neutralinos is performed using data recorded with the D0 detector at a ppbar center-of-mass energy of 1.96 TeV at the Fermilab T…

hep-ex2005★ 14 cited

Production of WZ Events in p-barp Collisions at sqrt(s)=1.96 TeV and Limits on Anomalous WWZ Couplings

D0 Collaboration, V. M. Abazov

We present results from a search for WZ production with subsequent decay to l nu l'-bar l' (l and l'=electron or muon) using 0.30 fb^(-1) of data collected by the DO experiment bet…

hep-ex2005★ 50 cited

Search for neutral supersymmetric Higgs bosons in multijet events at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

We have performed a search for neutral Higgs bosons produced in association with bottom quarks in collisions, using 260 of data collected with the D0 detector…

hep-ex2005★ 51 cited

Measurement of inclusive differential cross sections for Upsilon(1S) production in p-pbar collisions at sqrt(s) = 1.96 TeV

D0 Collaboration, V. M. Abazov

We present measurements of the inclusive production cross sections of the Upsilon(1S) bottomonium state in ppbar collisions at sqrt(s) = 1.96 TeV. Using the Upsilon(1S) to mu+mu- d…