84 documents found, page 1 of 9
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 ...
Measurement of the electron charge asymmetry in pp̄→W+X→ eν+X events 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 2022-04-28T20:46:18Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-11-19; Science and Technology Facilities Council; We present a measurement of the electron charge asymmetry in pp̄→W+X→eν+X events at a center of mass energy of 1.96 TeV using 0.75fb-1 of data collected with the D0 detector at the Fermilab Tevatron Collider. The asymmetry is measured as a function of the elect...
Search for anomalous Wtb couplings in single top quark production
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 2022-04-28T20:46:40Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-11-25; Science and Technology Facilities Council; In 0.9fb-1 of pp̄ collisions, the D0 Collaboration presented evidence for single top quark production in events with an isolated lepton, missing transverse momentum, and two to four jets. We examine these data to study the Lorentz structure of the Wtb coupling....
Observation of the doubly strange b baryon Ωb-
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 2022-04-28T20:47:03Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-12-05; Science and Technology Facilities Council; We report the observation of the doubly strange b baryon Ωb- in the decay channel Ωb-→J/ψΩ-, with J/ψ→μ+μ- and Ω-→ΛK-→(pπ-)K-, in pp̄ collisions at s=1.96TeV. Using approximately 1.3fb-1 of data collected with the D0 detector at the Fermilab Tevatron Collider, ...
Search for the standard model Higgs boson in the missing energy and acoplanar b...
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 2022-04-28T20:47:50Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-12-15; Science and Technology Facilities Council; We report a search for the standard model Higgs boson in the missing energy and acoplanar b-jet topology, using an integrated luminosity of 0.93fb-1 recorded by the D0 detector at the Fermilab Tevatron pp̄ Collider. The analysis includes signal contributions fr...
Search for associated W and Higgs Boson 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 2022-04-28T20:48:54Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-02-02; Science and Technology Facilities Council; We present results of a search for WH→ℓνbb̄ production in pp̄ collisions based on the analysis of 1.05fb-1 of data collected by the D0 experiment at the Fermilab Tevatron, using a neural network for separating the signal from backgrounds. No signal-like excess ...
Search for large extra spatial dimensions in the dielectron and diphoton channe...
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 2022-04-28T20:49:18Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-02-02; Science and Technology Facilities Council; We report on a search for large extra spatial dimensions in the dielectron and diphoton channels using a data sample of 1.05fb-1 of pp̄ collisions at a center-of-mass energy of 1.96 TeV collected by the D0 detector at the Fermilab Tevatron Collider. The invaria...
Search for neutral higgs bosons at high tan β in the b(h/H/A)→bτ+τ- Channel
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 2022-04-28T20:49:39Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-02-02; Science and Technology Facilities Council; The first search in pp̄ collisions at s=1.96TeV for the production of neutral Higgs bosons in association with bottom quarks and decaying in two tau leptons is presented. The cross section for this process is enhanced in many extensions of the standard model, s...