A Search For The Standard Model Higgs Boson Produced In Association With A Vector Boson And Decayig To A Hadronically Decaying Tau Pair At Atlas
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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 ?
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]
A Search For The Standard Model Higgs Boson Produced In Association With A Vector Boson And Decayig To A Hadronically Decaying Tau Pair At Atlas
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Author : Emma Anne Ideal
language : en
Publisher:
Release Date : 2015
A Search For The Standard Model Higgs Boson Produced In Association With A Vector Boson And Decayig To A Hadronically Decaying Tau Pair At Atlas written by Emma Anne Ideal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Search For The Standard Model Higgs Boson Produced In Association With A Vector Boson And Decaying To A B Quark Pair With The Atlas Detector
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Author : Ben Harry Smart
language : en
Publisher:
Release Date : 2015
Search For The Standard Model Higgs Boson Produced In Association With A Vector Boson And Decaying To A B Quark Pair With The Atlas Detector written by Ben Harry Smart and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Evidence For The Standard Model Higgs Boson Decaying To One Semi Hadronically Decaying Tau And One Leptonically Decaying Tau At Atlas
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Author : Michel Trottier-McDonald
language : en
Publisher:
Release Date : 2014
Evidence For The Standard Model Higgs Boson Decaying To One Semi Hadronically Decaying Tau And One Leptonically Decaying Tau At Atlas written by Michel Trottier-McDonald and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
This thesis reports the search for the Higgs boson decaying to a pair of tau leptons, where one tau decays leptonically and the other decays semi-hadronically. The search was conducted by the ATLAS experiment on the proton-proton collisions supplied by the LHC in 2012. It is complicated by background from a mix of known processes from the Standard Model of Particle Physics. It makes use of boosted decision trees to separate the Higgs signal from the background. The gluon-gluon fusion and the vector boson fusion production mechanisms are searched for separately. The statistical significance of the excess observed over the background-only hypothesis is 3.3 standard deviations, and reaches 4.1 standard deviations when combined with other ditau channels. The observed signal appears fully compatible with the Higgs boson of the Standard Model.
A Search For The Standard Model Higgs Boson Produced In Association With Dileptonically Decaying Top Quarks And Decaying Into A Pair Of Bottom Quarks With The Atlas Detector
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Author : Callum Kilby
language : en
Publisher:
Release Date : 2019
A Search For The Standard Model Higgs Boson Produced In Association With Dileptonically Decaying Top Quarks And Decaying Into A Pair Of Bottom Quarks With The Atlas Detector written by Callum Kilby and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Search For The Standard Model Higgs Boson Produced In Association With Top Quarks And Decaying Into A B B Pair In P P Collisions At S
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Author : Felix Bührer
language : en
Publisher:
Release Date : 2018
Search For The Standard Model Higgs Boson Produced In Association With Top Quarks And Decaying Into A B B Pair In P P Collisions At S written by Felix Bührer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Search For The Standard Model Higgs Boson Produced In Association With A Standard W Or A Z Boson And Decaying To Bottom Quarks
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Author :
language : en
Publisher:
Release Date : 2014
Search For The Standard Model Higgs Boson Produced In Association With A Standard W Or A Z Boson And Decaying To Bottom Quarks written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
A search for the standard model Higgs boson (H) decaying to b b-bar when produced in association with a weak vector boson (V) is reported for the following channels: W(mu nu)H, W(e nu)H, W(tau nu)H, Z(mu mu)H, Z(e e)H, and Z(nu nu)H. The search is performed in data samples corresponding to integrated luminosities of up to 5.1 inverse femtobarns at sqrt(s) = 7 TeV and up to 18.9 inverse femtobarns at sqrt(s) = 8 TeV, recorded by the CMS experiment at the LHC. An excess of events is observed above the expected background with a local significance of 2.1 standard deviations for a Higgs boson mass of 125 GeV, consistent with the expectation from the production of the standard model Higgs boson. The signal strength corresponding to this excess, relative to that of the standard model Higgs boson, is 1.0 +/- 0.5./abstract
Search For The Standard Model Higgs Boson Decaying Into B Overline B Produced In Association With Top Quarks Decaying Hadronically In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2016
Search For The Standard Model Higgs Boson Decaying Into B Overline B Produced In Association With Top Quarks Decaying Hadronically 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 2016 with categories.
In this paper, a search for Higgs boson production in association with a pair of top quarks ($ t\overline{t} $H) is performed, where the Higgs boson decays to $ b\overline{b} $ , and both top quarks decay hadronically. The data used correspond to an integrated luminosity of 20.3 fb -1 of pp collisions at √s = 8 TeV collected with the ATLAS detector at the Large Hadron Collider. The search selects events with at least six energetic jets and uses a boosted decision tree algorithm to discriminate between signal and Standard Model background. The dominant multijet background is estimated using a dedicated data-driven technique. For a Higgs boson mass of 125 GeV, an upper limit of 6.4 (5.4) times the Standard Model cross section is observed (expected) at 95% confidence level. The best-fit value for the signal strength is [mu] = 1.6 ± 2.6 times the Standard Model expectation for mH = 125 GeV. Combining all $ t\overline{t}$H searches carried out by ATLAS at √s = 8 and 7 TeV, an observed (expected) upper limit of 3.1 (1.4) times the Standard Model expectation is obtained at 95% confidence level, with a signal strength [mu] = 1.7 ± 0.8.
Search For The Standard Model Higgs Boson In Tau Lepton Final States
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Author :
language : en
Publisher:
Release Date : 2012
Search For The Standard Model Higgs Boson In Tau Lepton Final States 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.
We present a search for the standard model Higgs boson in final states with an electron or muon and a hadronically decaying tau lepton in association with zero, one, or two or more jets using data corresponding to an integrated luminosity of up to 7.3 fb−1 collected with the D0 detector at the Fermilab Tevatron collider. The analysis is sensitive to Higgs boson production via gluon gluon fusion, associated vector boson production, and vector boson fusion, and to Higgs boson decays to tau lepton pairs or W boson pairs. Observed (expected) limits are set on the ratio of 95% C.L. upper limits on the cross section times branching ratio, relative to those predicted by the Standard Model, of 14 (22) at a Higgs boson mass of 115 GeV and 7.7 (6.8) at 165 GeV.