Higgs Boson Decays To B Bbar With Associated T Quarks With The Atlas Detector At The Large Hadron Collider
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Higgs Boson Decays To B Bbar With Associated T Quarks With The Atlas Detector At The Large Hadron Collider
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Author : Azzah Al-Shehri
language : en
Publisher:
Release Date : 2018
Higgs Boson Decays To B Bbar With Associated T Quarks With The Atlas Detector At The Large Hadron Collider written by Azzah Al-Shehri 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.
Higgs Boson Decays To B Bb U00af With Associated T Quarks With The Atlas Detector At The Large Hadron Collider
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Author : Azzah Al-Shehri
language : en
Publisher:
Release Date : 2018
Higgs Boson Decays To B Bb U00af With Associated T Quarks With The Atlas Detector At The Large Hadron Collider written by Azzah Al-Shehri and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Higgs bosons categories.
Inis Atomindex
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Author :
language : en
Publisher:
Release Date : 1996
Inis Atomindex written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Nuclear energy categories.
Measurement Of The Associated Production Of A Higgs Boson Decaying Into B Quarks With A Vector Boson At High Transverse Momentum In Pp Collisions At Square Root S
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Author : ATLAS Collaboration CERN
language : en
Publisher:
Release Date : 2021
Measurement Of The Associated Production Of A Higgs Boson Decaying Into B Quarks With A Vector Boson At High Transverse Momentum In Pp Collisions At Square Root S written by 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 2021 with categories.
Abstract: The associated production of a Higgs boson with a W or Z boson decaying into leptons and where the Higgs boson decays to a pair is measured in the high vector-boson transverse momentum regime, above 250 GeV, with the ATLAS detector. The analysed data, corresponding to an integrated luminosity of , were collected in proton-proton collisions at the Large Hadron Collider between 2015 and 2018 at a centre-of-mass energy of . The measured signal strength, defined as the ratio of the measured signal yield to that predicted by the Standard Model, is corresponding to an observed (expected) significance of 2.1 (2.7) standard deviations. Cross-sections of associated production of a Higgs boson decaying into b quark pairs with a W or Z gauge boson, decaying into leptons, are measured in two exclusive vector boson transverse momentum regions, 250-400 GeV and above 400 GeV, and interpreted as constraints on anomalous couplings in the framework of a Standard Model effective field theory
Search For Production Of Dark Matter In Association With A Higgs Boson Decaying To Bb With The Atlas Detector
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Author : Matthew Baca
language : en
Publisher:
Release Date : 2018
Search For Production Of Dark Matter In Association With A Higgs Boson Decaying To Bb With The Atlas Detector written by Matthew Baca 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.
Using 3.2 fb^-1 of sqrt(s) =13TeV proton-proton data collected in 2015 with the ATLAS detector at the Large Hadron Collider, new limits were imposed on the associated production of Dark Matter with a 125GeV Higgs boson which decays into a pair of b-quarks. The final state of the signal is a pair of b-quark jets and large Missing Transverse Momentum attributed to the DM escaping the detector. The dominant backgrounds were simulated. These were subject to selection requirements to increase signal to background ratio. Three regions were designated based on the number of leptons in the event. 0 lepton events made up the signal region. Events with 1 and 2 leptons were control regions. Similar selection requirements were applied to the control regions as in the signal region, in order to examine a similar phase space. A blinding region was established in the 0 lepton region over the mbb distribution to mask where a reconstructed 125GeV Higgs boson would appear. The control regions and the side bands in the signal region were then fit to the mbb data distribution. Unblinding of the signal region did not result in the discovery of the decay channel, but allowed limits to be imposed.
Investigating The Higgs Boson Decays Into A Pair Of B And C Quarks With The Atlas Detector At The Lhc And Development Of Machine Learning Methods For Particle Flow Reconstruction
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Author : Matteo Tusoni
language : en
Publisher:
Release Date : 2023
Investigating The Higgs Boson Decays Into A Pair Of B And C Quarks With The Atlas Detector At The Lhc And Development Of Machine Learning Methods For Particle Flow Reconstruction written by Matteo Tusoni and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
Observation Of H Bb Decays And Vh Production With The Atlas Detector
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Author : ATLAS Collaboration CERN
language : en
Publisher:
Release Date : 2018
Observation Of H Bb Decays And Vh Production With The Atlas Detector written by 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 2018 with categories.
Abstract: A search for the decay of the Standard Model Higgs boson into a pair when produced in association with a W or Z boson is performed with the ATLAS detector. The data, corresponding to an integrated luminosity of were collected in proton-proton collisions during Run 2 of the Large Hadron Collider at a centre-of-mass energy of . For a Higgs boson mass of , an excess of events over the expected background from other Standard Model processes is found with an observed (expected) significance of 4.9 (4.3) standard deviations. A combination with the results from other searches in Run 1 and in Run 2 for the Higgs boson in the decay mode is performed, which yields an observed (expected) significance of 5.4 (5.5) standard deviations, thus providing direct observation of the Higgs boson decay into b-quarks. The ratio of the measured event yield for a Higgs boson decaying into to the Standard Model expectation is . Additionally, a combination of Run 2 results searching for the Higgs boson produced in association with a vector boson yields an observed (expected) significance of 5.3 (4.8) standard deviations
Measurement Of The Higgs Boson Decay To A Pair Of B Quarks In The Associated Production With A Vector Boson With The Atlas Detector
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Author : Simona Gargiulo
language : en
Publisher:
Release Date : 2021
Measurement Of The Higgs Boson Decay To A Pair Of B Quarks In The Associated Production With A Vector Boson With The Atlas Detector written by Simona Gargiulo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Measurement categories.
Search For Pair Production Of A New B Quark That Decays Into A Z Boson And A Bottom Quark With The Atlas Detector At The Lhc
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Author : Andre Milton Bach
language : en
Publisher:
Release Date : 2012
Search For Pair Production Of A New B Quark That Decays Into A Z Boson And A Bottom Quark With The Atlas Detector At The Lhc written by Andre Milton Bach 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 with the ATLAS detector for the pair production of a new b' quark in the Z boson plus b quark decay channel is reported. The pp collision data comprise 4.7 fb-1 of integrated luminosity at sqrt(s) = 7 TeV collected at the CERN Large Hadron Collider in 2011. This search complements recent searches for a b' decaying to a W boson and a top quark, and it is particularly important for new physics models containing vector-like quarks. From events containing both a Z boson reconstructed from electrons and a b tagged jet, any potential signal is enriched by selecting a subsample with large b' candidate pT. No evidence for a b' signal is found in this subsample; the invariant mass spectrum of the b' candidate agrees well with the Standard Model prediction. For the case of a b' that decays only to Z + b, masses mb'
Search For The Bb Decay Of The Standard Model Higgs Boson In Associated W Z H Production With The Atlas Detector
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Author : Simone Amoroso
language : en
Publisher:
Release Date : 2015
Search For The Bb Decay Of The Standard Model Higgs Boson In Associated W Z H Production With The Atlas Detector written by Simone Amoroso 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.