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Title: Top production and decay at CDF

Abstract

We report on the measurement of top production and decay properties obtained by the CDF experiment with {ital p{anti p}} collisions at {radical}{ital s} = 1.8 TeV. the analyses presented here refer to {integral}{ital Ldt}{approx} 110 {ital pb}{sup -1} collected at the Fermilab Tevatron collider. About 85% of the possible {ital t{anti t}} decays have been studied in different channels according to the number of high-{ital p{sub T}} leptons found in the final state. Combining the results from the channels with at least one {ital W} decaying leptonically into an {ital e} or {mu} we measure {delta}{sub {ital t{anti t}}} = 7.5 {sup +1.9}{sub -1.6}{ital pb}. We report also on the observation of {ital t{anti t}} production in all of the hadronic decay channels using kinematic selection and {ital b} identification, and in the channel containing one hadronically decaying {tau} lepton. Finally we discuss the kinematics of top events and measure the matrix element {vert_bar}V{sub {ital tb}}{vert_bar} = 1.12 {+-} 0.12.

Authors:
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Energy Research, Washington, DC (United States)
OSTI Identifier:
416091
Report Number(s):
FNAL/C-96/319-E; CONF-960765-31
ON: DE96050553; TRN: 97:001764
DOE Contract Number:  
AC02-76CH03000
Resource Type:
Conference
Resource Relation:
Conference: 28. international conference on high-energy physics, Warsaw (Poland), 25-31 Jul 1996; Other Information: PBD: Sep 1996
Country of Publication:
United States
Language:
English
Subject:
66 PHYSICS; T QUARKS; PAIR PRODUCTION; WEAK PARTICLE DECAY; FERMILAB COLLIDER DETECTOR; FERMILAB TEVATRON; PROTON-ANTIPROTON INTERACTIONS; PARTICLE KINEMATICS; DATA ANALYSIS; BRANCHING RATIO

Citation Formats

Castro, A. Top production and decay at CDF. United States: N. p., 1996. Web.
Castro, A. Top production and decay at CDF. United States.
Castro, A. 1996. "Top production and decay at CDF". United States. https://www.osti.gov/servlets/purl/416091.
@article{osti_416091,
title = {Top production and decay at CDF},
author = {Castro, A},
abstractNote = {We report on the measurement of top production and decay properties obtained by the CDF experiment with {ital p{anti p}} collisions at {radical}{ital s} = 1.8 TeV. the analyses presented here refer to {integral}{ital Ldt}{approx} 110 {ital pb}{sup -1} collected at the Fermilab Tevatron collider. About 85% of the possible {ital t{anti t}} decays have been studied in different channels according to the number of high-{ital p{sub T}} leptons found in the final state. Combining the results from the channels with at least one {ital W} decaying leptonically into an {ital e} or {mu} we measure {delta}{sub {ital t{anti t}}} = 7.5 {sup +1.9}{sub -1.6}{ital pb}. We report also on the observation of {ital t{anti t}} production in all of the hadronic decay channels using kinematic selection and {ital b} identification, and in the channel containing one hadronically decaying {tau} lepton. Finally we discuss the kinematics of top events and measure the matrix element {vert_bar}V{sub {ital tb}}{vert_bar} = 1.12 {+-} 0.12.},
doi = {},
url = {https://www.osti.gov/biblio/416091}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Sep 01 00:00:00 EDT 1996},
month = {Sun Sep 01 00:00:00 EDT 1996}
}

Conference:
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