Erratum To Search For Single Top Quark Production Via Flavour Changing Neutral Currents At 8 Tev With The Atlas Detector
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Erratum To Search For Single Top Quark Production Via Flavour Changing Neutral Currents At 8 Tev With The Atlas Detector
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Author : [Study Group] ATLAS Collaboration CERN
language : en
Publisher:
Release Date : 2022
Erratum To Search For Single Top Quark Production Via Flavour Changing Neutral Currents At 8 Tev With The Atlas Detector 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 2022 with categories.
Search For Single Top Quark Production Via Flavour Changing Neutral Currents At 8 Tev With The Atlas Detector
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Author :
language : en
Publisher:
Release Date : 2016
Search For Single Top Quark Production Via Flavour Changing Neutral Currents At 8 Tev With The Atlas Detector 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 single top-quark production via flavour-changing neutral current processes from gluon plus up- or charm-quark initial states in proton-proton collisions at the LHC is presented. Data collected with the ATLAS detector in 2012 at a centre-of-mass energy of 8 TeV and corresponding to an integrated luminosity of 20.3 fb-1 are used. Furthermore, candidate events for a top quark decaying into a lepton, a neutrino and a jet are selected and classified into signal- and background-like candidates using a neural network.
Search For Flavour Changing Neutral Currents In Single Top Quark Production At S
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Author : Muhammad Alhroob
language : en
Publisher:
Release Date : 2013
Search For Flavour Changing Neutral Currents In Single Top Quark Production At S written by Muhammad Alhroob and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Seeing A Single Top Quark
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Author : Harish Potti
language : en
Publisher:
Release Date : 2020
Seeing A Single Top Quark written by Harish Potti 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.
The top quark is the heaviest known elementary particle. With a coupling to the Higgs boson close to unity, the top quark plays a special role in electroweak symmetry breaking as well as in physics beyond the Standard Model. An accurate measurement of its properties can provide key information for understanding the physics at the TeV scale. In this dissertation, two measurements of the top quark properties are presented. The first part of this dissertation presents the first-ever ATLAS search for the associated production of a single top quark and a photon. This analysis is performed with 139 fb−1 of pp collision data collected by the ATLAS detector at the LHC at [square root symbol] s = 13 TeV. Only final states with exactly one lepton and at least one photon are considered in this analysis. In the second part, results from the combination of ATLAS searches for flavor changing neutral currents (FCNC) in t->Hq decays are presented. Four FCNC analyses, probing different Higgs decay modes, performed with 36.1 fb−1 of proton-proton collision data collected by the ATLAS detector in 2015-2016 are considered in the combination. They search for top-quark pair events in which one top quark decays into Wb and the other top quark decay into Hq
Search For Anomalous Single Top Quark Production Via Flavour Changing Neutral Currents With The Atlas Detector At The Large Hadron Collider
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Author :
language : en
Publisher:
Release Date : 2007
Search For Anomalous Single Top Quark Production Via Flavour Changing Neutral Currents With The Atlas Detector At The Large Hadron Collider written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Search For Anomalous Wtb Couplings And Flavour Changing Neutral Currents In T Channel Single Top Quark Production In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2016
Search For Anomalous Wtb Couplings And Flavour Changing Neutral Currents In T Channel Single Top Quark Production 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.
Single top quark events produced in the t channel are used to set limits on anomalous Wtb couplings and to search for top quark flavour-changing neutral current (FCNC) interactions. The data taken with the CMS detector at the LHC in proton-proton collisions at sqrt(s) = 7 and 8 TeV correspond to integrated luminosities of 5.0 and 19.7 inverse-femtobarns, respectively. The analysis is performed using events with one muon and two or three jets. A Bayesian neural network technique, used to discriminate between the signal and backgrounds, is found to be consistent with the standard model prediction. The 95% confidence level (CL) exclusion limits on anomalous right-handed vector, and left- and right-handed tensor Wtb couplings are measured to be
Search For Anomalous Wtb Couplings And Flavour Changing Neutral Currents In T Channel Single Top Quark Production In Pp Collisions At S
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Author :
language : en
Publisher:
Release Date : 2016
Search For Anomalous Wtb Couplings And Flavour Changing Neutral Currents In T Channel Single Top Quark Production 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.
Search For Flavor Changing Neutral Currents In Single Top Quark Production Using 2 3 Fb 1 Of P Bar P Collisions
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Author :
language : en
Publisher:
Release Date : 2010
Search For Flavor Changing Neutral Currents In Single Top Quark Production Using 2 3 Fb 1 Of P Bar P Collisions written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
We present a search for flavor changing neutral currents via quark-gluon couplings in a sample of single top quark final states corresponding to 2.3 fb−1 of integrated luminosity collected with the D0 detector at the Fermilab Tevatron Collider. We select events containing a single top quark candidates with an additional jet, and obtain separation between signal and background using Bayesian neural networks. We find consistency between background expectation and observed data, and set limits on avor changing neutral current gluon couplings of the top quark to up quarks (tgu) and charm quarks (tgc). The cross section limits at the 95% C.L. are [sigma]{sub tgu}
Search For Single Top Quark Production Via Flavour Changing Neutral Currents In Strong Interactions Using Wurzel S
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Author : Conrad Friedrich
language : en
Publisher:
Release Date : 2014
Search For Single Top Quark Production Via Flavour Changing Neutral Currents In Strong Interactions Using Wurzel S written by Conrad Friedrich 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.
Searches For Flavor Changing Neutral Currents And Single Top Quarks At
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Author :
language : en
Publisher:
Release Date : 2008
Searches For Flavor Changing Neutral Currents And Single Top Quarks At written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
I present brief descriptions of two top quark analyses performed using D0 data from p{bar p} collisions at (square root)s = 1.96 TeV: the search for flavor-changing neutral-current couplings (FCNC) of the top quark with a charm or an up quark with the exchange of a gluon, and the search for the standard model production of single top quarks. The search for FCNC couplings of a gluon to the top quark is the first such analysis at hadron colliders. I describe the application of the Bayesian approach for comparing our physics models to the observed data in both analyses and, in one of them, to separate small signals from large backgrounds.