A Measurement Of The Production Cross Section Of Top Antitop Pairs In Proton Antiproton Collisions At A Center Of Mass Of 196 Tev Using Secondary Vertexb Tagging
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: 2006 |
ISBN-10 |
: OCLC:68230461 |
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: 4/5 (61 Downloads) |
Synopsis A Measurement of the Production Cross Section of Top-antitop Pairs in Proton-antiproton Collisions at a Center of Mass of 1.96 TeV Using Secondary Vertex B-tagging by :
Abstract Not Provided.
Author |
: Henri Bachacou |
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Total Pages |
: 232 |
Release |
: 2004 |
ISBN-10 |
: OCLC:316500086 |
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: |
Rating |
: 4/5 (86 Downloads) |
Synopsis A Measurement of the Production Cross Section of Top-antitop Pairs in Proton-antiproton Collisions at a Center of Mass of 1.96 TeV Using Secondary Vertexb-tagging by : Henri Bachacou
A measurement of the t{bar t} pair production cross section is presented using 162 pb{sup -1} of data collected by the CDF experiment during Run II at the Tevatron. t{bar t} events in the lepton+jets channel are isolated by identifying electrons and muons, reconstructing jets and transverse missing energy, and identifying b jets with a secondary vertex tagging algorithm. The efficiency of the algorithm is measured in a control sample using a novel technique that is less dependent on the simulation. For a top quark mass of 175 GeV/c{sup 2}, a cross section of {sigma}{sub t{bar t}} = 5.6{sub -1.1}{sup +1.2}(stat.){sub -0.6}{sup +0.9}(syst.)pb is measured.
Author |
: Ulysses Allen Grundler |
Publisher |
: ProQuest |
Total Pages |
: 119 |
Release |
: 2008 |
ISBN-10 |
: 0549908889 |
ISBN-13 |
: 9780549908883 |
Rating |
: 4/5 (89 Downloads) |
Synopsis A Measurement of the Top-antitop Production Cross Section in Proton-antiproton Collisions at Center of Mass Energy by : Ulysses Allen Grundler
I present a measurement of the tt¯ production cross section at s = 1.96 TeV using 2034 pb-1 of CDF Run II data using events with a high transverse momentum electron or muon, three or more jets, and missing transverse energy. The measurement assumes a t → Wb branching fraction of 100 percent. Events consistent with tt¯ decay are found by identifying jets containing heavy-flavor semileptonic decays to muons. The dominant backgrounds are evaluated directly from the data. Based on 248 candidate events and an expected background of 86.8+/-5.6 events, I measure a production cross section of 8.7+/-1.1+0.9-0.8+/-0.6 pb, in agreement with the Standard Model.
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Total Pages |
: 10 |
Release |
: 2006 |
ISBN-10 |
: OCLC:1061376889 |
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: |
Rating |
: 4/5 (89 Downloads) |
Synopsis Measurement of the P Anti-p --] T Anti-t Production Cross Section at S**ư by :
A measurement of the top quark pair production cross section in proton anti-proton collisions at an interaction energy of √s = 1.96 TeV is presented. This analysis uses 405 pb−1 of data collected with the D0 detector at the Fermilab Tevatron Collider. Fully hadronic t{bar t} decays with final states of six or more jets are separated from the multijet background using secondary vertex tagging and a neural network. The t{bar t} cross section is measured as?{sub t{bar t}} = 4.5{sub -1.9}{sup +2.0}(stat){sub -1.1}{sup +1.4}(syst) ± 0.3(lumi) pb for a top quark mass of m{sub t} = 175 GeV/c2.
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Total Pages |
: 10 |
Release |
: 2006 |
ISBN-10 |
: OCLC:873624783 |
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: |
Rating |
: 4/5 (83 Downloads) |
Synopsis Measurement of the P Anti-p --] T Anti-t Production Cross Section at S**1/2 by :
A measurement of the top quark pair production cross section in proton anti-proton collisions at an interaction energy of √s = 1.96 TeV is presented. This analysis uses 405 pb−1 of data collected with the D0 detector at the Fermilab Tevatron Collider. Fully hadronic t{bar t} decays with final states of six or more jets are separated from the multijet background using secondary vertex tagging and a neural network. The t{bar t} cross section is measured as [sigma]{sub t{bar t}} = 4.5{sub -1.9}{sup +2.0}(stat){sub -1.1}{sup +1.4}(syst) ± 0.3(lumi) pb for a top quark mass of m{sub t} = 175 GeV/c2.
Author |
: Henri Bachacou |
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: |
Total Pages |
: 544 |
Release |
: 2004 |
ISBN-10 |
: UCAL:C3491730 |
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: |
Rating |
: 4/5 (30 Downloads) |
Synopsis A Measurement of the Production Cross Section of Tt Pairs in Proton-antiproton Collisions at [square Root]s by : Henri Bachacou
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Total Pages |
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Release |
: 2015 |
ISBN-10 |
: OCLC:925452651 |
ISBN-13 |
: |
Rating |
: 4/5 (51 Downloads) |
Synopsis Measurement of the Top Pair Production Cross Section in 8 TeV Proton-proton Collisions Using Kinematic Information in the Lepton + Jets Final State with ATLAS. by :
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: |
Total Pages |
: 227 |
Release |
: 2000 |
ISBN-10 |
: OCLC:50426270 |
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: |
Rating |
: 4/5 (70 Downloads) |
Author |
: |
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: |
Total Pages |
: 39 |
Release |
: 2011 |
ISBN-10 |
: OCLC:1066549647 |
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: |
Rating |
: 4/5 (47 Downloads) |
Synopsis Measurement of the Top-antitop Production Cross Section in Pp Collisions at Sqrt(s) by :
A measurement of the top-antitop production cross section in proton-proton collisions at a centre-of-mass energy of 7 TeV has been performed at the LHC with the CMS detector. The analysis uses a data sample corresponding to an integrated luminosity of 36 inverse picobarns and is based on the reconstruction of the final state with one isolated, high transverse-momentum electron or muon and three or more hadronic jets. The kinematic properties of the events are used to separate the top-antitop signal from W+jets and QCD multijet background events. The measured cross section is 173 + 39 - 32 (stat. + syst.) pb, consistent with standard model expectations.
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Release |
: 2015 |
ISBN-10 |
: OCLC:925452621 |
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Rating |
: 4/5 (21 Downloads) |
Synopsis Measurement of the Top Pair Production Cross Section in 8 TeV Proton-proton Collisions Using Kinematic Information in the Lepton Plus Jets Final State with ATLAS. by :