Search For The Standard Model Higgs Boson And Test Of Cp Invariance In Vector Boson Fusion Production Of The Higgs Boson In The Fully Leptonic H T T L L 4v Final State In Proton Proton Collisions With The Atlas Detector At The Lhc
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Search For The Standard Model Higgs Boson And Test Of Cp Invariance In Vector Boson Fusion Production Of The Higgs Boson In The Fully Leptonic H T T L L 4v Final State In Proton Proton Collisions With The Atlas Detector At The Lhc
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Author : Christian Schillo
language : en
Publisher:
Release Date : 2016
Search For The Standard Model Higgs Boson And Test Of Cp Invariance In Vector Boson Fusion Production Of The Higgs Boson In The Fully Leptonic H T T L L 4v Final State In Proton Proton Collisions With The Atlas Detector At The Lhc written by Christian Schillo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Search For The Standard Model Higgs Boson And Test Of Cp Invariance In Vector Boson Fusion Production Of The Higgs Boson In The Fully Leptonic H Tautau Ll4nu Final State In Proton Proton Collisions With The Atlas Detector At The Lhc
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Author : Christian Schillo
language : en
Publisher:
Release Date : 2016
Search For The Standard Model Higgs Boson And Test Of Cp Invariance In Vector Boson Fusion Production Of The Higgs Boson In The Fully Leptonic H Tautau Ll4nu Final State In Proton Proton Collisions With The Atlas Detector At The Lhc written by Christian Schillo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Test Of Cp Invariance In Vector Boson Fusion Production Of The Higgs Boson In The H Tau Tau Channel In Proton Proton Collisions At S
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Author : [Study Group] ATLAS Collaboration CERN
language : en
Publisher:
Release Date : 2020
Test Of Cp Invariance In Vector Boson Fusion Production Of The Higgs Boson In The H Tau Tau Channel In Proton Proton Collisions At S written by [Study Group] ATLAS Collaboration CERN and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
Abstract: A test of CP invariance in Higgs boson production via vector-boson fusion is performed in the decay channel. This test uses the Optimal Observable method and is carried out using of proton-proton collision data collected by the ATLAS experiment at the LHC. Contributions from CP-violating interactions between the Higgs boson and electroweak gauge bosons are described by an effective field theory, in which the parameter governs the strength of CP violation. No sign of CP violation is observed in the distributions of the Optimal Observable, and is constrained to the interval [−0.090, 0.035] at the 68% confidence level (CL), compared to an expected interval of based upon the Standard Model prediction. No constraints can be set on at 95% CL, while an expected 95% CL interval of for the Standard Model hypothesis was expected
Measurement Of The Higgs Boson Production Cross Section And Test Of Cp Invariance In Vector Boson Fusion Production With H Decays In The Fully Leptonic Final State With The Atlas Detector At The Lhc
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Author : Alena Lösle
language : en
Publisher:
Release Date : 2020
Measurement Of The Higgs Boson Production Cross Section And Test Of Cp Invariance In Vector Boson Fusion Production With H Decays In The Fully Leptonic Final State With The Atlas Detector At The Lhc written by Alena Lösle and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
Search For The Standard Model Higgs Boson Produced In Association With A Vector Boson And Decaying Into A Tau Pair In Pp Collisions At S
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Author :
language : en
Publisher:
Release Date : 2016
Search For The Standard Model Higgs Boson Produced In Association With A Vector Boson And Decaying Into A Tau Pair In Pp Collisions At S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
A search for the standard model Higgs boson produced in association with a vector boson with the decay H → ?? is presented. The data correspond to 20.3 fb-1 of integrated luminosity from proton-proton collisions at √s=8 TeV recorded by the ATLAS experiment at the LHC during 2012. The data agree with the background expectation, and 95% confidence-level upper limits are placed on the cross section of this process. The observed (expected) limit, expressed in terms of the signal strength ? = ?/?SM for mH = 125 GeV, is ?
Test Of Cp Invariance In Vector Boson Fusion Production Of The Higgs Boson Using The Optimal Observable Method In The Di Tau Decay Channel With The Atlas Detector
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Author : Martin Spangenberg (Researcher in particle physics)
language : en
Publisher:
Release Date : 2016
Test Of Cp Invariance In Vector Boson Fusion Production Of The Higgs Boson Using The Optimal Observable Method In The Di Tau Decay Channel With The Atlas Detector written by Martin Spangenberg (Researcher in particle physics) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Higgs bosons categories.
Test Of Cp Invariance In Vector Boson Fusion Production Of The Higgs Boson Using The Optimal Observable Method In The Ditau Decay Channel With The Atlas Detector
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Author : Hannah Arnold
language : en
Publisher:
Release Date : 2016
Test Of Cp Invariance In Vector Boson Fusion Production Of The Higgs Boson Using The Optimal Observable Method In The Ditau Decay Channel With The Atlas Detector written by Hannah Arnold and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Search For The Standard Model Higgs Boson Produced In Association With A Vector Boson And Decaying Into A Tau Pair In Math Display
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Author :
language : en
Publisher:
Release Date : 2016
Search For The Standard Model Higgs Boson Produced In Association With A Vector Boson And Decaying Into A Tau Pair In Math Display written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
A search for the standard model Higgs boson produced in association with a vector boson with the decay H → [tau][tau] is presented. The data correspond to 20.3 fb-1 of integrated luminosity from proton-proton collisions at √s=8 TeV recorded by the ATLAS experiment at the LHC during 2012. The data agree with the background expectation, and 95% confidence-level upper limits are placed on the cross section of this process. The observed (expected) limit, expressed in terms of the signal strength [mu] = [sigma]/[sigma]SM for mH = 125 GeV, is [mu]
Search For The Standard Model Higgs Boson Decaying To A W Pair In The Fully Leptonic Final State In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2012
Search For The Standard Model Higgs Boson Decaying To A W Pair In The Fully Leptonic Final State In Pp Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
A search for the standard model Higgs boson decaying to W+W- in pp collisions at sqrt(s) = 7 TeV is reported. The data are collected at the LHC with the CMS detector, and correspond to an integrated luminosity of 4.6 inverse femtobarns. The W+W- candidates are selected in events with two charged leptons and large missing transverse energy. No significant excess of events above the standard model background expectations is observed, and upper limits on the Higgs boson production relative to the standard model Higgs expectation are derived. The standard model Higgs boson is excluded in the mass range 129-270 GeV at 95% confidence level.
Search For The Standard Model Higgs Boson In The H Zz L L Qq Decay Channel At Cms
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Author : Francesco Pandolfi
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-08-15
Search For The Standard Model Higgs Boson In The H Zz L L Qq Decay Channel At Cms written by Francesco Pandolfi and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08-15 with Science categories.
The theoretical foundations of the Standard Model of elementary particles relies on the existence of the Higgs boson, a particle which has been revealed for the first time by the experiments run at the Large Hadron Collider (LHC) in 2012. As the Higgs boson is an unstable particle, its search strategies were based on its decay products. In this thesis, Francesco Pandolfi conducted a search for the Higgs boson in the H → ZZ → l + l - qq Decay Channel with 4.6 fb -1 of 7 TeV proton-proton collision data collected by the Compact Muon Solenoid (CMS) experiment. The presence of jets in the final state poses a series of challenges to the experimenter: both from a technical point of view, as jets are complex objects and necessitate of ad-hoc reconstruction techniques, and from an analytical one, as backgrounds with jets are copious at hadron colliders, therefore analyses must obtain high degrees of background rejection in order to achieve competitive sensitivity. This is accomplished by following two directives: the use of an angular likelihood discriminant, capable of discriminating events likely to originate from the decay of a scalar boson from non-resonant backgrounds, and by using jet parton flavor tagging, selecting jets compatible with quark hadronization and discarding jets more likely to be initiated by gluons. The events passing the selection requirements in 4.6 fb -1 of data collected by the CMS detector are examined, in the search of a possible signal compatible with the decay of a heavy Higgs boson. The thesis describes the statistical tools and the results of this analysis. This work is a paradigm for studies of the Higgs boson with final states with jets. The non-expert physicists will enjoy a complete and eminently readable description of a proton-proton collider analysis. At the same time, the expert reader will learn the details of the searches done with jets at CMS.