Evidence For Tbar T Production At The Tevatron Statistical Significance And Cross Section

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Evidence For Tbar T Production At The Tevatron Statistical Significance And Cross Section

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Author :
language : en
Publisher:
Release Date : 1994

Evidence For Tbar T Production At The Tevatron Statistical Significance And Cross Section written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1995

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.

Government Reports Announcements Index

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Author :
language : en
Publisher:
Release Date : 1995

Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Science categories.

Energy Research Abstracts

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Author :
language : en
Publisher:
Release Date : 1989

Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Power resources categories.

Evidence For T Bar T Production At The Tevatron

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Author :
language : en
Publisher:
Release Date : 1994

Evidence For T Bar T Production At The Tevatron written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.

We summarize here the results of the ''counting experiments'' by the CDF Collaboration in the search of t{bar t} production in p{bar p} collisions at (square root)s = 1800 TeV at the Tevatron. We analyze their statistical significance by calculating the probability that the observed excess is a fluctuation of the expected backgrounds, and assuming the excess is from top events, extract a measurement of the t{bar t} production cross-section.

Measurement Of The T Bar T Production Cross Section At The Tevatron

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Author :
language : en
Publisher:
Release Date : 2003

Measurement Of The T Bar T Production Cross Section At The Tevatron written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

We report on the measurement of the t[anti t] production cross section obtained by CDF and D0 experiments with p[anti p] collisions at[radical]s=1. 8 TeV. The analyses presented here refer to[integral] Ldt[approx]11O pb[sup -1] collected at the Fermilab Tevatron collider during the run 1992-96. About 85% of the possible t[anti t] decays have been studied in different channels classified according to the number of high P[sub T] leptons found in the final state. The production cross section has been measured in each individual channel and then combined into a single value for each experiment, which is[sigma][sub tt]= 7.5[sup 1.9][sub 1.6] pb for CDF and[sigma][sub tt]= 5.77[+-] 1.76 pb for D0.

Measurement Of The T Tbar Production Cross Section At

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Author :
language : en
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Release Date : 2001

Measurement Of The T Tbar Production Cross Section At written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.

We report on the results from the analyses of[ital t][ital[anti t]] decays in[ital dilepton] and[ital lepton+jets] modes with[approx]100 pb[sup -1] of[ital p][ital[anti p]] Collider data at[radical]s= 1.8 TeV collected by the D[null] experiment at the Fermilab Tevatron. We have observed 37[ital t][ital[anti t]] candidate events while the estimated background is 13.4[+-] 3.0 events. The[ital t][ital[anti t]] production cross section has been measured to be 5.2[+-] 1.8 pb at a top quark mass of 170 GeV/c[sup 2].

Measurement Of The T Tbar Production Cross Section In The Cdf Detector

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Author : Jose Enrique Palencia Cortezón
language : en
Publisher:
Release Date : 2013-11-16

Measurement Of The T Tbar Production Cross Section In The Cdf Detector written by Jose Enrique Palencia Cortezón and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-16 with categories.

Measurement Of The T Anti T Production Cross Section At S

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language : en
Publisher:
Release Date : 2006

Measurement Of The T Anti T Production Cross Section At S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.

A measurement of the t{bar t} production cross section at √s = 1.96 TeV in the dilepton final states using a lepton+track selection and secondary vertex b-tagging is presented. One of the two leptons from the decay of the t{bar t} pair is allowed to be identified only as an isolated track to improve the selection efficiency. The result is combined with a measurement in the t{bar t} → e? final state. The measurements are based on 370 pb−1 of data collected with the D0 experiment at the Tevatron collider. The preliminary cross section obtained in the combined lepton+track and e? channel is:?{sub t{bar t}} = 8.6{sub -1.7}{sup +1.9}(stat) ± 1.1(syst) ± 0.6(lumi) pb.

Measurements Of The T Anti T Production Cross Section At The Tevatron Run Ii Cdf Experiment Using B Tagging

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Author : Henri Bachacou
language : en
Publisher:
Release Date : 2005

Measurements Of The T Anti T Production Cross Section At The Tevatron Run Ii Cdf Experiment Using B Tagging written by Henri Bachacou and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

We present measurements of the top-antitop production cross section in b-tagged lepton + jets events from proton-antiproton collisions at 1.96 TeV using the CDF detector at Fermilab. B-jets are tagged with either a secondary vertex algorithm, or a soft lepton tagger that identifies muons from B hadron semileptonic decays. With Tevatron Run II data, we estimate the top-antitop signal fraction in two different ways: by estimating the various background contributions, and by fitting directly the leading jet transverse energy spectrum for the signal and background contributions. A subset of the sample with two secondary vertex tagged jets yields a production cross section consistent with the inclusive measurements. Results are consistent with a Standard Model top-antitop signal and current measurements of the top quark mass.