29 documents found, page 1 of 3
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...
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...
Measurement of the lifetime difference in the Bs0 system
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 2022-04-28T20:05:36Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-10-21; We present a study of the decay Bs0â†'J/ÏÏ•. We obtain the CP-odd fraction in the final state at time zero, R⚥=0.16±0.10(stat)±0.02(syst), the average lifetime of the (Bs0, BÂs0) system, Ï.,Â(Bs0)=1.39- 0.16+0.13(stat)-0.02+0.01(syst)ps, and the relative width difference between the heavy and light ...
Search for large extra spatial dimensions in dimuon production with the D0 dete...
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 2022-04-28T20:06:24Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-10-14; We present the results of a search for the effects of large extra spatial dimensions in pp_collisions at s=1.96TeV in events containing a pair of energetic muons. The data correspond to 246pb-1 of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron Collider. Good agreement with...
Search for the Higgs Boson in H→WW(*) decays 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 2022-04-28T20:07:10Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-01-13; We present a search for the standard model Higgs boson in H→WW(*) decays with e+e-, e±μ, and μ+μ- final states in pp̄ collisions at a center-of-mass energy of s=1.96TeV. The data, collected from April 2002 to June 2004 with the D0 detector, correspond to an integrated luminosity of 300-325pb-1, dependin...
Search for resonant second generation slepton production at the Fermilab tevatron
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 2022-04-28T20:09:02Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-01-01; We present a search for supersymmetry in the R-parity violating resonant production and decay of smuons and muon sneutrinos in the channels, 2,3,40. We analyzed 0.38fb-1 of integrated luminosity collected between April 2002 and August 2004 with the D0 detector at the Fermilab Tevatron Collider. The obse...
Search for neutral higgs bosons decaying to tau pairs in pp̄ collisions at s=1....
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 2022-04-28T20:09:30Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-09-25; A search for the production of neutral Higgs bosons Φ decaying into τ+τ- final states in pp̄ collisions at a center-of-mass energy of 1.96 TeV is presented. The data, corresponding to an integrated luminosity of approximately 325pb-1, were collected by the D0 experiment at the Fermilab Tevatron Collider...
Direct limits on the Bs0 oscillation frequency
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 2022-04-28T20:09:59Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-01-01; We report results of a study of the Bs0 oscillation frequency using a large sample of Bs0 semileptonic decays corresponding to approximately 1fb-1 of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron Collider in 2002-2006. The amplitude method gives a lower limit on the Bs0 o...
Search for neutral, long-lived particles decaying into two muons in pp̄ collisi...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Agelou, M.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:10:59Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-10-30; We present a search for a neutral particle, pair produced in pp̄ collisions at s=1.96TeV, which decays into two muons and lives long enough to travel at least 5 cm before decaying. The analysis uses 380pb-1 of data recorded with the D0 detector. The background is estimated to be about one event. No cand...