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Phenomenology of pure-gauge hidden valleys at Hadron colliders
Descriptive
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Text
TitleInfo
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Title
Phenomenology of pure-gauge hidden valleys at Hadron colliders
Identifier
ETD_2917
Identifier
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http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000056421
Language
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eng
Genre
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theses
Subject
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(authority = RUETD)
Topic
Physics and Astronomy
Subject
(ID = SBJ-2);
(authority = ETD-LCSH)
Topic
Hadron colliders
Subject
(ID = SBJ-3);
(authority = ETD-LCSH)
Topic
Hadrons
Subject
(ID = SBJ-4);
(authority = ETD-LCSH)
Topic
Phenomenological theory (Physics)
Subject
(ID = SBJ-5);
(authority = ETD-LCSH)
Topic
Particles (Nuclear physics)
Abstract
(type = abstract)
Expectations for new physics at the LHC have been greatly influenced by the Hierarchy problem of electroweak symmetry breaking. However, there are reasons to believe that the LHC may still discover new physics, but not directly related to the resolution of the Hierarchy problem. To ensure that such a physics does not go undiscovered requires precise understanding of how new phenomena will reveal themselves in the current and future generation of particle-physics experiments. Given this fact it seems sensible to explore other approaches to this problem; we study three alternatives here. In this thesis I argue for the plausibility that the standard model is coupled, through new massive charged or colored particles, to a hidden sector whose low energy dynamics is controlled by a pure Yang-Mills theory, with no light matter. Such a sector would have numerous metastable ``hidden glueballs'' built from the hidden gluons. These states would decay to particles of the standard model. I consider the phenomenology of this scenario, and find formulas for the lifetimes and branching ratios of the most important of these states. The dominant decays are to two standard model gauge bosons or to fermion-antifermion pairs, or by radiative decays with photon or Higgs emission, leading to jet- and photon-rich signals, and some occasional leptons. The presence of effective operators of different mass dimensions, often competing with each other, together with a great diversity of states, leads to a great variability in the lifetimes and decay modes of the hidden glueballs. I find that most of the operators considered in this work are not heavily constrained by precision electroweak physics, therefore leaving plenty of room in the parameter space to be explored by the future experiments at the LHC. Finally, I discuss several issues on the phenomenology of the new massive particles as well as an outlook for experimental searches.
PhysicalDescription
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electronic resource
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x, 128 p. : ill.
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application/pdf
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text/xml
Note
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Ph.D.
Note
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Includes bibliographical references
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Includes vita
Note
(type = statement of responsibility)
by Jose E. Juknevich
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Juknevich
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Jose
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1978-
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author
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Jose Juknevich
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Strassler
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Matthew J
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chair
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Advisory Committee
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Matthew J Strassler
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Banks
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Thomas
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internal member
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Advisory Committee
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Thomas Banks
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Lath
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Amitabh
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Advisory Committee
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Amitabh Lath
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(type = family)
Andrei
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Natan
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internal member
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Advisory Committee
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Natan Andrei
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Herzog
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Christopher
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outside member
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Advisory Committee
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Christopher Herzog
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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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2010
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2010-10
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xx
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Rutgers University Electronic Theses and Dissertations
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ETD
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Title
Graduate School - New Brunswick Electronic Theses and Dissertations
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rucore19991600001
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NjNbRU
Identifier
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doi:10.7282/T34F1QHM
Genre
(authority = ExL-Esploro)
ETD doctoral
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Rights
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The author owns the copyright to this work.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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Juknevich
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Jose
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DateTime
2010-09-27 17:58:59
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Jose Juknevich
Affiliation
Rutgers University. Graduate School - New Brunswick
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Author Agreement License
Detail
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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Embargo
DateTime
2010-10-31
Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after May 2nd, 2011.
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application/pdf
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application/x-tar
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