61 documents found, page 1 of 7
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...
Combination of tt̄ cross section measurements and constraints on the mass of th...
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 2022-04-28T20:57:45Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-10-19; Science and Technology Facilities Council; We combine measurements of the top quark pair production cross section in pp̄ collisions in the jets, and τ final states (where is an electron or muon) at a center of mass energy of s=1.96TeV in 1fb-1 of data collected with the D0 detector. For a top quark mass...
Determination of the strong coupling constant from the inclusive jet cross sect...
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 2022-04-28T20:59:06Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-12-29; Science and Technology Facilities Council; We determine the strong coupling constant αs and its energy dependence from the pT dependence of the inclusive jet cross section in pp̄ collisions at s=1.96TeV. The strong coupling constant is determined over the transverse momentum range 50<pT<145GeV. Using pe...
Search for the standard model higgs boson in the ZH→νν̄ bb̄ channel in 5.2fb-1 ...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Alexeev, G. D.; Alkhazov, G.; Alton, A.; Alverson, G.Made available in DSpace on 2022-04-28T20:59:36Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-02-18; Science and Technology Facilities Council; A search is performed for the standard model Higgs boson in 5.2fb -1 of pp̄ collisions at √s=1.96TeV, collected with the D0 detector at the Fermilab Tevatron Collider. The final state considered is a pair of b jets and large missing transverse energy, as expect...
Search for Higgs boson production in dilepton and missing energy final states w...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Alexeev, G. D.; Alkhazov, G.; Alton, A.; Alverson, G.Made available in DSpace on 2022-04-28T20:59:57Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-02-12; Science and Technology Facilities Council; A search for the standard model Higgs boson is presented using events with two charged leptons and large missing transverse energy selected from 5.4fb -1 of integrated luminosity in pp̄ collisions at √s=1.96TeV collected with the D0 detector at the Fermilab Tev...
Double parton interactions in γ+3 jet events in pp̄ collisions at √s=1.96TeV
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Alexeev, G. D.; Alkhazov, G.; Alton, A.; Alverson, G.Made available in DSpace on 2022-04-28T21:00:35Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-03-31; We have used a sample of γ+3 jets events collected by the D0 experiment with an integrated luminosity of about 1fb-1 to determine the fraction of events with double parton scattering (fDP) in a single pp̄ collision at √s=1.96TeV. The DP fraction and effective cross section (σeff), a process-independent ...
Search for the associated production of a b quark and a neutral supersymmetric ...
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 2022-04-28T21:00:56Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-04-14; Science and Technology Facilities Council; We report results from a search for production of a neutral Higgs boson in association with a b quark. We search for Higgs decays to τ pairs with one τ subsequently decaying to a muon and the other to hadrons. The data correspond to 2.7fb-1 of pp̄ collisions re...
Search for Randall-Sundrum gravitons in the dielectron and diphoton final state...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Alexeev, G. D.; Alkhazov, G.; Alton, A.; Alverson, G.Made available in DSpace on 2022-04-28T21:01:28Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-06-17; Science and Technology Facilities Council; Using 5.4fb-1 of integrated luminosity from pp̄ collisions at √s=1.96 TeV collected by the D0 detector at the Fermilab Tevatron Collider, we search for decays of the lightest Kaluza-Klein mode of the graviton in the Randall-Sundrum model to ee and γγ. We set 95...
Combined Tevatron upper limit on gg→H→W+W- and constraints on the Higgs boson m...
Aaltonen, T.; Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Adelman, J.; Aguilo, E.; Alexeev, G. D.; Alkhazov, G.Made available in DSpace on 2022-04-28T21:21:59Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-07-15; Science and Technology Facilities Council; We combine results from searches by the CDF and D0 collaborations for a standard model Higgs boson (H) in the process gg→H→W+W - in pp̄ collisions at the Fermilab Tevatron Collider at √s=1.96TeV. With 4.8fb-1 of integrated luminosity analyzed at CDF and 5.4fb-1...
Evidence for an anomalous like-sign dimuon charge asymmetry
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Alexeev, G. D.; Alkhazov, G.; Alton, A.; Alverson, G.Made available in DSpace on 2022-04-28T21:24:06Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-08-16; We measure the charge asymmetry A=(N++-N-)/(N +++N-) of like-sign dimuon events in 6.1fb-1 of pp̄ collisions recorded with the D0 detector at a center-of-mass energy √s=1.96TeV at the Fermilab Tevatron collider. From A we extract the like-sign dimuon charge asymmetry in semileptonic b-hadron decays: Asl...