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Measurement of the relative fraction of ttbar events produced via gluon-fusion in ppbar collision at √s = 1.96 TeV at CDF.
Descriptive
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Title
Measurement of the relative fraction of ttbar events produced via gluon-fusion in ppbar collision at √s = 1.96 TeV at CDF.
Name
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Yamaoka
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Jared
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Jared Yamaoka
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author
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Somalwar
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Sunil
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Advisory Committee
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Sunil Somalwar
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chair
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Lovelace
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Claud
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Advisory Committee
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Claud Lovelace
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internal member
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Thomson
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Gordon
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Advisory Committee
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Gordon Thomson
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Matilsky
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Terry
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Advisory Committee
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Terry Matilsky
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internal member
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Thomson
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Evelyn
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Advisory Committee
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Evelyn Thomson
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Rutgers University
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degree grantor
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Graduate School - New Brunswick
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school
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Text
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theses
OriginInfo
DateCreated
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2007
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2007-10
Language
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English
PhysicalDescription
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electronic
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application/pdf
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text/xml
Extent
xiii, 101 pages
Abstract
In this thesis we present a measurement of the relative fraction of ttbar events produced via gluon-fusion to the total number of ttbar events. Using the kinematics of the production and decay of the top and antitop quark pair, we trained a Neural Network to discriminate the gluon-fusion events. The Neural Network was then used as a template to fit for the gluon-fusion
fraction in data. Using a total integrated luminosity of 955 pb-1 we find the fraction of gluon-fusion event in all ttbar events to be <0.33 at the 68% confidence level and <0.61 at the 95% confidence level.
fraction in data. Using a total integrated luminosity of 955 pb-1 we find the fraction of gluon-fusion event in all ttbar events to be <0.33 at the 68% confidence level and <0.61 at the 95% confidence level.
Note
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Ph.D.
Note
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Includes bibliographical references (p. 96-100).
Subject
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Topic
Physics and Astronomy
Subject
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Topic
Particles (Nuclear physics)
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(authority = ETD-LCSH)
Topic
Quarks
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TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier
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rucore19991600001
Identifier
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http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.17112
Identifier
ETD_400
Location
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NjNbRU
Identifier
(type = doi)
doi:10.7282/T34Q7VB2
Genre
(authority = ExL-Esploro)
ETD doctoral
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Rights
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The author owns the copyright to this work.
Copyright
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Copyright protected
Availability
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Open
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Name
Jared Yamaoka
Role
Copyright holder
Affiliation
Rutgers University. Graduate School - New Brunswick
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Non-exclusive ETD license
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Author Agreement License
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I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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