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Search for a Standard Model Higgs Bo...

Yang, Yong.

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Search for a Standard Model Higgs Boson Decaying to Two Photons in CMS at the LHC.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Search for a Standard Model Higgs Boson Decaying to Two Photons in CMS at the LHC./
作者:	Yang, Yong.
面頁冊數:	350 p.
附註:	Source: Dissertation Abstracts International, Volume: 74-05(E), Section: B.
Contained By:	Dissertation Abstracts International74-05B(E).
標題:	Physics, Elementary Particles and High Energy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3550096
ISBN:	9781267869944

Search for a Standard Model Higgs Boson Decaying to Two Photons in CMS at the LHC.
Yang, Yong.

Search for a Standard Model Higgs Boson Decaying to Two Photons in CMS at the LHC. - 350 p.

Source: Dissertation Abstracts International, Volume: 74-05(E), Section: B.

Thesis (Ph.D.)--California Institute of Technology, 2013.

In part I of this thesis, I perform a search for the Standard Model Higgs boson decaying into two photons using 5.08 fb-1 of data collected by the Compact Muon Solenoid (CMS) detector in 2011 at a center-of-mass energy s = 7 TeV.

ISBN: 9781267869944Subjects--Topical Terms:

1019488
Physics, Elementary Particles and High Energy.

Search for a Standard Model Higgs Boson Decaying to Two Photons in CMS at the LHC.
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245 1 0 $a Search for a Standard Model Higgs Boson Decaying to Two Photons in CMS at the LHC.
300 $a 350 p.
500 $a Source: Dissertation Abstracts International, Volume: 74-05(E), Section: B.
500 $a Adviser: Harvey B. Newman.
502 $a Thesis (Ph.D.)--California Institute of Technology, 2013.
520 $a In part I of this thesis, I perform a search for the Standard Model Higgs boson decaying into two photons using 5.08 fb-1 of data collected by the Compact Muon Solenoid (CMS) detector in 2011 at a center-of-mass energy s = 7 TeV.
520 $a The result of this search is interpreted as a local excess in the mass around 123 GeV/c2 with an significance of 3.3 standard deviation. This excess was later confirmed in the data in 2012, and was an important contribution to the CMS discovery paper published in 2012.
520 $a This search makes use of the excellent energy resolution of the CMS crystal electromagnetic calorimeter (ECAL). The energy intercalibration of approximately 76,000 crystals is crucial to improve the resolution performance. I describe in detail a novel intercalibration method using pi0(eta) → gammagamma decays. This method was the first one in CMS to reach 0.5% calibration precision in the central part of ECAL with |eta| < 1. This calibration improved the H → gammagamma search sensitivity by about 30%, compared to the precalibration performed before the installation of ECAL in CMS detector.
520 $a In part II of this thesis, I perform a search for an excited muon decaying into one muon and one photon using 36 pb-1 of data collected in 2010 at s = 7 TeV. The result of this search indicates no evidence for excited muons. I report the first upper limits on single excited muon production cross section at this collision energy, and exclude a new region of the parameter space of compositeness scale and excited muon mass. Assume the compositness scale is the same as the excited muon mass, excited muons are excluded below 1090 GeV/c2 at the 95% confidence level, representing the most stringent limits, as of the date when the analysis was first published.
590 $a School code: 0037.
650 4 $a Physics, Elementary Particles and High Energy. $3 1019488
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710 2 $a California Institute of Technology. $b Physics. $3 2100645
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792 $a 2013
793 $a English
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