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QCD radiation in top-antitop and Z+j...

Joshi, Kiran.

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QCD radiation in top-antitop and Z+jets final states = precision measurements at ATLAS /

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	QCD radiation in top-antitop and Z+jets final states/ by Kiran Joshi.
其他題名:	precision measurements at ATLAS /
作者:	Joshi, Kiran.
出版者:	Cham :Springer International Publishing : : 2015.,
面頁冊數:	xvi, 178 p. :ill., digital ;24 cm.
內容註:	Introduction -- The Standard Model -- Experimental Apparatus -- Reconstructing Physics Objects -- Event-Filter Muon Isolation -- Jet Vetoing in Top-Antitop Events -- Studies and Applications of Jet Vetoing in Boosted Topologies -- Measurements of Electroweak Z Boson + Dijet Production -- Conclusions.
Contained By:	Springer eBooks
標題:	Quantum chromodynamics. -
電子資源:	http://dx.doi.org/10.1007/978-3-319-19653-4
ISBN:	9783319196534 (electronic bk.)

QCD radiation in top-antitop and Z+jets final states = precision measurements at ATLAS /
Joshi, Kiran.

QCD radiation in top-antitop and Z+jets final statesprecision measurements at ATLAS /[electronic resource] :by Kiran Joshi. - Cham :Springer International Publishing :2015. - xvi, 178 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Introduction -- The Standard Model -- Experimental Apparatus -- Reconstructing Physics Objects -- Event-Filter Muon Isolation -- Jet Vetoing in Top-Antitop Events -- Studies and Applications of Jet Vetoing in Boosted Topologies -- Measurements of Electroweak Z Boson + Dijet Production -- Conclusions.

This thesis contains new research in both experimental and theoretical particle physics, making important contributions in each. Two analyses of collision data from the ATLAS experiment at the LHC are presented, as well as two phenomenological studies of heavy coloured resonances that could be produced at the LHC. The first data analysis was the measurement of top quark-antiquark production with a veto on additional jet activity. As the first detector-corrected measurement of jet activity in top-antitop events it played an important role in constraining the theoretical modelling, and ultimately reduced these uncertainties for ATLAS's other top-quark measurements by a factor of two. The second data analysis was the measurement of Z+2jet production and the observation of the electroweak vector boson fusion (VBF) component. As the first observation of VBF at a hadron collider, this measurement demonstrated new techniques to reliably extract VBF processes and paved the way for future VBF Higgs measurements. The first phenomenological study developed a new technique for identifying the colour of heavy resonances produced in proton-proton collisions. As a by-product of this study an unexpected and previously unnoticed correlation was discovered between the probability of correctly identifying a high-energy top and the colour structure of the event it was produced in. The second phenomenological study explored this relationship in more detail, and could have important consequences for the identification of new particles that decay to top quarks.

ISBN: 9783319196534 (electronic bk.)

Standard No.: 10.1007/978-3-319-19653-4doiSubjects--Topical Terms:

574215
Quantum chromodynamics.

LC Class. No.: QC793.3.Q35

Dewey Class. No.: 539.7548

QCD radiation in top-antitop and Z+jets final states = precision measurements at ATLAS /
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505 0 $a Introduction -- The Standard Model -- Experimental Apparatus -- Reconstructing Physics Objects -- Event-Filter Muon Isolation -- Jet Vetoing in Top-Antitop Events -- Studies and Applications of Jet Vetoing in Boosted Topologies -- Measurements of Electroweak Z Boson + Dijet Production -- Conclusions.
520 $a This thesis contains new research in both experimental and theoretical particle physics, making important contributions in each. Two analyses of collision data from the ATLAS experiment at the LHC are presented, as well as two phenomenological studies of heavy coloured resonances that could be produced at the LHC. The first data analysis was the measurement of top quark-antiquark production with a veto on additional jet activity. As the first detector-corrected measurement of jet activity in top-antitop events it played an important role in constraining the theoretical modelling, and ultimately reduced these uncertainties for ATLAS's other top-quark measurements by a factor of two. The second data analysis was the measurement of Z+2jet production and the observation of the electroweak vector boson fusion (VBF) component. As the first observation of VBF at a hadron collider, this measurement demonstrated new techniques to reliably extract VBF processes and paved the way for future VBF Higgs measurements. The first phenomenological study developed a new technique for identifying the colour of heavy resonances produced in proton-proton collisions. As a by-product of this study an unexpected and previously unnoticed correlation was discovered between the probability of correctly identifying a high-energy top and the colour structure of the event it was produced in. The second phenomenological study explored this relationship in more detail, and could have important consequences for the identification of new particles that decay to top quarks.
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