119 documents found, page 1 of 12
Measurement of the differential cross section dσ/dt in elastic pp̄ scattering a...
Abazov, V. M.; Abbott, B.; Acharya, B. S.; Adams, M.; Adams, T.; Alexeev, G. D.; Alkhazov, G.; Alton, A.; Alverson, G.; Alves, G. A.; Aoki, M.Made available in DSpace on 2022-04-28T18:57:43Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-07-27; We present a measurement of the elastic differential cross section dσ(pp̄→pp̄)/dt as a function of the four-momentum-transfer squared t. The data sample corresponds to an integrated luminosity of ≈31nb -1 collected with the D0 detector using dedicated Tevatron pp̄ Collider operating conditions at √s=1.9...
Measurement of the tt̄ production cross section in pp̄ collisions at s=1.96TeV
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:41:09Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-05-15; Science and Technology Facilities Council; We measure the tt̄ production cross section in pp̄ collisions at s=1.96TeV in the lepton+jets channel. Two complementary methods discriminate between signal and background: b tagging and a kinematic likelihood discriminant. Based on 0.9fb-1 of data collected by...
Search for W′ Boson resonances decaying to a top quark and a bottom quark
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:41:34Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-05-30; We search for the production of a heavy W′ gauge boson that decays to third generation quarks in 0.9fb-1 of pp̄ collisions at s=1.96TeV, collected with the D0 detector at the Fermilab Tevatron collider. We find no significant excess in the final-state invariant mass distribution and set upper limits on ...
Search for large extra dimensions via single photon plus missing energy final s...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:42:17Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-06-30; We report on a search for large extra dimensions in a data sample of approximately 1fb-1 of pp̄ collisions at s=1.96TeV. We investigate Kaluza-Klein graviton production with a photon and missing transverse energy in the final state. At the 95% C.L. we set limits on the fundamental mass scale MD from 884...
Evidence for production of single top quarks
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:42:41Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-07-14; We present first evidence for the production of single top quarks in the D0 detector at the Fermilab Tevatron pp̄ collider. The standard model predicts that the electroweak interaction can produce a top quark together with an antibottom quark or light quark, without the antiparticle top-quark partner th...
Search for higgs bosons decaying to tau pairs in pp̄ collisions with the D0 det...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:43:10Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-08-14; Science and Technology Facilities Council; We present a search for the production of neutral Higgs bosons decaying into τ+τ- final states in pp̄ collisions at a center-of-mass energy of 1.96 TeV. The data, corresponding to an integrated luminosity of approximately 1fb-1, were collected by the D0 experim...
Search for pair production of doubly charged higgs bosons in the H++H - →μ+μ+μ-...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahn, S. H.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:43:33Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-08-13; Science and Technology Facilities Council; We report the results of a search for pair production of doubly charged Higgs bosons via pp̄→H++H - X→μ+μ+μ-μ-X at s=1.96TeV. We use a data set corresponding to an integrated luminosity of 1.1fb-1 collected from 2002 to 2006 by the D0 detector at the Fermilab T...
ZZ→l+l-νν̄ production in pp̄ collisions at s=1.96TeV
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:44:17Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-10-06; Science and Technology Facilities Council; We describe a search for Z boson pair production in pp̄ collisions at s=1.96TeV with the D0 detector at the Fermilab Tevatron Collider using a data sample corresponding to an integrated luminosity of 2.7fb-1. Using the final state decay ZZ→ℓ+ℓ-νν̄ (where ℓ=e or...
Observation of ZZ production in pp̄ collisions at s=1.96TeV
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:44:41Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-10-23; Science and Technology Facilities Council; We present an observation for ZZ→l+l-l′+l′- (l, l′=e or μ) production in pp̄ collisions at a center-of-mass energy of s=1.96TeV. Using 1.7fb-1 of data collected by the D0 experiment at the Fermilab Tevatron Collider, we observe three candidate events with an ex...
Precise measurement of the top-quark mass from lepton jets events
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:45:06Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-10-29; Science and Technology Facilities Council; We measure the mass of the top quark using top-quark pair candidate events in the lepton+jets channel from data corresponding to 1fb-1 of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron collider. We use a likelihood technique that ...