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Search for New Physics in tt ̅ Final...
~
Montejo Berlingen, Javier.
Search for New Physics in tt ̅ Final States with Additional Heavy-Flavor Jets with the ATLAS Detector
紀錄類型:
書目-語言資料,印刷品 : Monograph/item
正題名/作者:
Search for New Physics in tt ̅ Final States with Additional Heavy-Flavor Jets with the ATLAS Detector/ by Javier Montejo Berlingen.
作者:
Montejo Berlingen, Javier.
面頁冊數:
XIV, 283 p. 196 illus., 119 illus. in color.online resource. :
Contained By:
Springer Nature eBook
標題:
Elementary particles (Physics). -
電子資源:
https://doi.org/10.1007/978-3-319-41051-7
ISBN:
9783319410517
Search for New Physics in tt ̅ Final States with Additional Heavy-Flavor Jets with the ATLAS Detector
Montejo Berlingen, Javier.
Search for New Physics in tt ̅ Final States with Additional Heavy-Flavor Jets with the ATLAS Detector
[electronic resource] /by Javier Montejo Berlingen. - 1st ed. 2016. - XIV, 283 p. 196 illus., 119 illus. in color.online resource. - Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053. - Springer Theses, Recognizing Outstanding Ph.D. Research,.
Introduction -- Theoretical Framework -- Event Simulation -- Reconstruction of Physics Objects -- Common Aspects in Searches for New Physics in tt¯ Final States with Additional Heavy-Favor Jets -- Statistical Analysis -- Searches for New Physics in tt¯ Final States with Additional Heavy-Flavor Jets -- Conclusions. .
This PhD thesis focuses on the search for new phenomena in top-antitop quark (tt) final states with additional b-quark jets at the LHC. It uses the full Run 1 dataset collected by the ATLAS experiment in proton-proton collisions at √s=8 TeV. The final state of interest consists of an isolated lepton, a neutrino and at least six jets with at least four b-tagged jets, a challenging experimental signature owing to the large background from tt+heavy-flavor production. This final state is characteristic of ttH production, with the Higgs boson decaying into bb, a process that allows direct probing of the top-Higgs Yukawa coupling. This signature is also present in many extensions of the Standard Model that have been proposed as solutions to the hierarchy problem, such as supersymmetry or composite Higgs models, which predict the pair production of bosonic or fermionic top quark partners, or the anomalous production of four-top-quark events. All these physics processes have been searched for using an ambitious search strategy that has been developed on the basis of a combination of state-of-art theoretical predictions and a sophisticated statistical analysis to constrain in-situ the large background uncertainties. As a result, the most restrictive bounds to date on the above physics processes have been obtained.
ISBN: 9783319410517
Standard No.: 10.1007/978-3-319-41051-7doiSubjects--Topical Terms:
1254811
Elementary particles (Physics).
LC Class. No.: QC793-793.5
Dewey Class. No.: 539.72
Search for New Physics in tt ̅ Final States with Additional Heavy-Flavor Jets with the ATLAS Detector
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