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Showing 2006 · hep-exShow all

36 papers · 2 filters

hep-ex2006★ 16 cited

Measurement of the ppbar to ttbar production cross section at sqrt(s)=1.96 TeV in the fully hadronic decay channel

D0 Collaboration, V. Abazov

A measurement of the top quark pair production cross section in proton anti-proton collisions at an interaction energy of sqrt(s)=1.96 TeV is presented. This analysis uses 405 pb-1…

hep-ex2006★ 13 cited

Search for techniparticles in e +jets events at D0

D0 Collaboration, V. Abazov

We search for the technicolor process ppbar -> rho_T/omega_T ->W+pi_T in events containing one electron and two jets, in data corresponding to an integrated luminosity of 390 pb-1,…

hep-ex2006★ 9 cited

Search for single production of scalar leptoquarks in p\bar{p} collisions decaying into muons and quarks with the D0 detector

D0 Collaboration, V. Abazov

We report on a search for second generation leptoquarks LQ_2 which decay into a muon plus quark in p\bar{p} collisions at a center-of-mass energy of sqrt{s} = 1.96 TeV in the D0 de…

hep-ex2006★ 66 cited

Separated Structure Functions for the Exclusive Electroproduction of and Final States

P. Ambrozewicz, D. S. Carman, R. J. Feuerbach +4

We report measurements of the exclusive electroproduction of and final states from a proton target using the CLAS detector at the Thomas Jefferson National Accelera…

hep-ex2006★ 55 cited

Measurement of the ttbar production cross section in pbarp collisions at sqrt(s) = 1.96 TeV using secondary vertex b tagging

D0 Collaboration, V. Abazov

We report a new measurement of the ttbar production cross section in pbarp collisions at a center-of-mass energy of 1.96 TeV using events with one charged lepton (electron or muon)…

hep-ex2006★ 92 cited

Measurement of the rare decay pi0 -> e+ e-

E. Abouzaid

The branching ratio of the rare decay pi0 -> e+ e- has been measured precisely, using the complete data set from the KTeV E799-II experiment at Fermilab. We observe 794 candidate p…

hep-ex2006★ 60 cited

Measurement of the top quark mass in the lepton+jets final state with the matrix element method

D0 Collaboration, V. Abazov

We present a measurement of the top quark mass with the Matrix Element method in the lepton+jets final state. As the energy scale for calorimeter jets represents the dominant sourc…

hep-ex2006★ 24 cited

Measurement of the W boson helicity in top quark decay at D0

D0 Collaboration, V. M. 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 ttbar events in the l+jets and dilepton decay cha…

hep-ex2006★ 34 cited

Measurement of Bd mixing using opposite-side flavor tagging

D0 Collaboration, V. M. Abazov

We report on a measurement of the mixing frequency and the calibration of an opposite-side flavor tagger in the DØexperiment. Various properties associated with the qua…

hep-ex2006★ 47 cited

Measurement of the CP-violation parameter of B^0 mixing and decay with pp(bar) -> mu mu X data

D0 Collaboration, V. Abazov

We measure the dimuon charge asymmetry A in pp(bar) collisions at a center of mass energy sqrt{s} = 1960 GeV. The data was recorded with the D0 detector and corresponds to an integ…

hep-ex2006★ 53 cited

Measurement of the top quark mass in the dilepton channel

D0 Collaboration, V. Abazov et al

We present a measurement of the top quark mass in the dilepton channel based on approximately 370/pb of data collected by the D0 experiment during Run II of the Fermilab Tevatron c…

hep-ex2006★ 7 cited

Improved KL->pi e nu Form Factor and Phase Space Integral with Reduced Model Uncertainty

KTeV collaboration, E. Abouzaid

Using the published KTeV sample of 2 million KL-> pi e nu decays and a new form factor expansion with a rigorous bound on higher order terms, we present a new determination of the…

hep-ex2006★ 4 cited

Cascade and anti-Cascade Polarization Measurements at 800 GeV/c

KTeV Collaboration

The polarization of neutral Cascade and anti-Cascade hyperons produced by 800 GeV/c protons on a BeO target at a fixed targeting angle of 4.8 mrad is measured by the KTeV experimen…

hep-ex2006★ 39 cited

Measurement of the ratios of the Z/G* + >= n jet production cross sections to the total inclusive Z/G* cross section in ppbar collisions at sqrt(s) = 1.96 TeV

D0 Collaboration, V. Abazov

We present a study of events with Z bosons and jets produced at the Fermilab Tevatron Collider in ppbar collisions at a center of mass energy of 1.96 TeV. The data sample consists…

hep-ex2006★ 170 cited

Longitudinal double-spin asymmetry and cross section for inclusive jet production in polarized proton collisions at sqrt(s) = 200 GeV

STAR Collaboration, B. I. Abelev

We report a measurement of the longitudinal double-spin asymmetry A_LL and the differential cross section for inclusive midrapidity jet production in polarized proton collisions at…

hep-ex2006★ 34 cited

Search for pair production of scalar bottom quarks in ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. M Abazov

A search for direct production of scalar bottom quarks (sb) is performed with 310 pb-1 of data collected by the DO experiment in ppbar collisions at sqrt(s)=1.96 TeV at the Fermila…

hep-ex2006★ 36 cited

Search for Neutral, Long-lived Particles Decaying into Two Muons in p-pbar Collisions at sqrt(s) = 1.96 TeV

D0 Collaboration, V. Abazov

We present a search for a neutral particle, pair-produced in p-pbar collisions at sqrt(s)=1.96 TeV, which decays into two muons and lives long enough to travel at least 5 cm before…

hep-ex2006★ 13 cited

Search for the Standard Model Higgs Boson in the ZH --> neutrino-neutrino-b-b channel

D0 Collaboration, V. Abazov

We report a search for the standard model (SM) Higgs boson based on data collected by the D0 experiment at the Fermilab Tevatron Collider, corresponding to an integrated luminosity…

hep-ex2006★ 29 cited

Search for W' boson production in the W'->tb decay channel

D0 Collaboration, V. Abazov

We present a search for the production of a new heavy gauge boson W' that decays to a top quark and a bottom quark. We have analyzed 230 pb^{-1} of data collected with the Dzero de…

hep-ex2006★ 14 cited

Search for associated Higgs boson production WH->WWW*->l+-nu l'+-nu'+X in p-pbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration

We present a search for associated Higgs boson production in the process in final states containing two like-sign isolated electrons…

hep-ex2006★ 15 cited

Search for scalar leptoquarks in the acoplanar jet topology in ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. M. Abazov

A search for leptoquarks has been performed in 310 pb-1 of data from ppbar collisions at a center-of-mass energy of 1.96 TeV, collected by the D0 detector at the Fermilab Tevatron…

hep-ex2006★ 56 cited

Search for the pentaquark in the reactions and

R. De Vita, M. Battaglieri, V. Kubarovsky +9

The exclusive reactions and have been studied in the photon energy range 1.6--3.8 GeV, searching for evidence of the exotic baryon $…

hep-ex2006★ 104 cited

Measurement of the N to Delta(1232) Transition at High Momentum Transfer by pi0 Electroproduction

M. Ungaro, P. Stoler, I. Aznauryan +4

We report a new measurement of the exclusive electroproduction reaction gamma* p -> pi0 p to explore the evolution from soft non-perturbative physics to hard processes via the Q2 d…

hep-ex2006★ 11 cited

Search for a heavy resonance decaying into a Z+jet final state in p-pbar collisions at sqrt(s) = 1.96 TeV using the D0 detector

D0 Collaboration, V. M. Abazov

We have searched for a heavy resonance decaying into a Z+jet final state in p-pbar collisions at a center of mass energy of 1.96 TeV at the Fermilab Tevatron collider using the D0…