1325 documents found, page 1 of 133
Observation of Higgs Boson Decay to Bottom Quarks
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.Made available in DSpace on 2022-04-28T19:11:08Z (GMT). No. of bitstreams: 0 Previous issue date: 2018-09-17; The observation of the standard model (SM) Higgs boson decay to a pair of bottom quarks is presented. The main contribution to this result is from processes in which Higgs bosons are produced in association with a W or Z boson (VH), and are searched for in final states including 0, 1, or 2 charged lepto...
Measurement of the tt̄ 1.96 TeV i pp̄ collisions at √s = 1.96 TeV in dilepton f...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Agelou, M.; Agram, J. L.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.Made available in DSpace on 2022-04-28T20:00:48Z (GMT). No. of bitstreams: 0 Previous issue date: 2004-10-01; Universidad de Buenos Aires; LAFEX Centro Brasileiro de Pesquisas Físicas; Universidade do Estado do Rio de Janeiro; Instituto de Física Teórica Universidade Estadual Paulista; University of Alberta; Simon Fraser University; York University; McGill University; Institute of High Energy Physics; Universit...
Search for right-handed W bosons in top quark decay
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Agelou, M.; Agram, J. L.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.Made available in DSpace on 2022-04-28T20:01:35Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-07-01; We present a measurement of the fraction f+ of right-handed W bosons produced in top quark decays, based on a candidate sample of tt̄ events in the lepton+jets decay mode. These data correspond to an integrated luminosity of 230pb-1, collected by the D0 detector at the Fermilab Tevatron pp̄ Collider at ...
Search for Randall-Sundrum gravitons in dilepton and diphoton final states
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Agelou, M.; Agram, J. L.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.Made available in DSpace on 2022-04-28T20:02:00Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-08-26; 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 at the Fermilab Tevatron pp̄ Collider at s=1.96TeV. No evidence for resonant production of gravitons has been found in the ...
Study of Zγ events and limits on anomalous ZZγ and Zγγ couplings in pp̄ collisi...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Agelou, M.; Agram, J. L.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.Made available in DSpace on 2022-04-28T20:02:45Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-07-29; We present a measurement of the Zγ production cross section and limits on anomalous ZZγ and Zγγ couplings for form-factor scales of Λ=750 and 1000 GeV. The measurement is based on 138 (152) candidates in the eeγ (μμγ) final state using 320(290)pb-1 of pp̄ collisions at s=1.96TeV. The 95% C.L. limits on ...
Measurement of inclusive differential cross sections for Υ(1S) production in pp...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Agelou, M.; Agram, J. L.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.Made available in DSpace on 2022-04-28T20:03:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-06-17; We present measurements of the inclusive production cross sections of the Υ(1S) bottomonium state in pp̄ collisions at s=1.96TeV. Using the Υ(1S)→μ+μ- decay mode for a data sample of 159±10pb-1 collected by the D0 detector at the Fermilab Tevatron collider, we determine the differential cross sections a...
Measurement of the W+W- production cross section in pp̄ collisions at s=1.96TeV...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Agelou, M.; Agram, J. L.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.Made available in DSpace on 2022-04-28T20:04:00Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-06-03; We present a measurement of the W+W- production cross section using 184pb-1 of pp̄ collisions at a center-of-mass energy of 1.96 TeV collected with the Collider Detector at Fermilab. Using the dilepton decay channel W+W-→ℓ+νℓ-ν̄, where the charged leptons can be either electrons or muons, we find 17 can...
Measurement of semileptonic branching fractions of B mesons to narrow D** states
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Agelou, M.; Agram, J. L.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.Made available in DSpace on 2022-04-28T20:04:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-10-21; Using the data accumulated in 2002-2004 with the D0 detector in proton-antiproton collisions at the Fermilab Tevatron collider with a center-of-mass energy of 1.96 TeV, the branching fractions of the decays Bâ†'DÂ10(2420)Î+ÎÎX and Bâ†'DÂ2*0(2460)Î+ÎÎX and their ratio have been measured: B(bÂâ†'B)Ã- B(B...
Production of WZ events in pp collisions at s=1.96TeV and limits on anomalous W...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Agelou, M.; Agram, J. L.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.Made available in DSpace on 2022-04-28T20:04:49Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-09-30; We present results from a search for WZ production with subsequent decay to â.,Îâ.,â€â., Ââ€(â., and â.,â€=e or Î) using 0.30fb-1 of data collected by the D0 experiment between 2002 and 2004 at the Fermilab Tevatron. Three events with WZ decay characteristics are observed. With an estimated background o...
Search for supersymmetry via associated production of charginos and neutralinos...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Agelou, M.; Agram, J. L.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.Made available in DSpace on 2022-04-28T20:05:13Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-10-07; A search for associated production of charginos and neutralinos is performed using data recorded with the D0 detector at a pp» center-of-mass energy of 1.96 TeV at the Fermilab Tevatron Collider. This analysis considers final states with missing transverse energy and three charged leptons, of which at l...