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osu1343620633.pdf (8.9 MB)
ETD Abstract Container
Abstract Header
The search for low scale technicolor in the Z + γ channel in 7 TeV ATLAS data
Author Info
Fisher, Matthew J.
Permalink:
http://rave.ohiolink.edu/etdc/view?acc_num=osu1343620633
Abstract Details
Year and Degree
2012, Doctor of Philosophy, Ohio State University, Physics.
Abstract
A search for low scale technicolor (LSTC) particles, ρ
T
and ω
T
, decaying to a Z boson and a photon with the Z decaying to electrons or muons, is presented. The search was conducted using 4.7 fb
-1
of 7 TeV data collected by the ATLAS detector at the Large Hadron Collider. Two different sets of LSTC parameters were considered, one was excluded at the 95% confidence level for ρ
T
/ω
T
masses from 200 GeV to 280 GeV and the other from 200 GeV to 480 GeV. An upper limit is measured for the cross section times branching fraction of any new narrow resonance decaying to the same final state for masses between 200 and 500 GeV. The Standard Model cross section times branching fraction was measured to be 1.26±0.07(stat.)±0.07(syst.) pb when the Z boson decays to electrons and 1.24±0.07(stat.)±0.11(syst.) pb when it decays to muons which is consistent with the theoretical prediciton of 1.22±0.05(syst.) pb.
Committee
Harris Kagan, Ph.D. (Advisor)
Thomas Humanic, Ph.D. (Committee Member)
Richard Kass, Ph.D. (Committee Member)
Junko Shigemitsu, Ph.D. (Committee Member)
Pages
85 p.
Subject Headings
Particle Physics
Keywords
LHC
;
LSTC
;
technicolor
;
ATLAS
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Citations
Fisher, M. J. (2012).
The search for low scale technicolor in the Z + γ channel in 7 TeV ATLAS data
[Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1343620633
APA Style (7th edition)
Fisher, Matthew.
The search for low scale technicolor in the Z + γ channel in 7 TeV ATLAS data.
2012. Ohio State University, Doctoral dissertation.
OhioLINK Electronic Theses and Dissertations Center
, http://rave.ohiolink.edu/etdc/view?acc_num=osu1343620633.
MLA Style (8th edition)
Fisher, Matthew. "The search for low scale technicolor in the Z + γ channel in 7 TeV ATLAS data." Doctoral dissertation, Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1343620633
Chicago Manual of Style (17th edition)
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Document number:
osu1343620633
Download Count:
347
Copyright Info
© 2012, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.