Search For Associated Production Of A Z Boson With A Single Top Quark And For Tz Flavour Changing Interactions In Pp Collisions At Sqrt S

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Search For Associated Production Of A Z Boson With A Single Top Quark And For Tz Flavour Changing Interactions In Pp Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2017

Search For Associated Production Of A Z Boson With A Single Top Quark And For Tz Flavour Changing Interactions 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 2017 with categories.

A search for the production of a single top quark in association with a Z boson is presented, both to identify the expected standard model process and to search for flavour-changing neutral current interactions. The data sample corresponds to an integrated luminosity of 19.7 inverse-femtobarns recorded by the CMS experiment at the LHC in proton-proton collisions at $\sqrt{s}$ = 8 TeV. Final states with three leptons (electrons or muons) and at least one jet are investigated. An events yield compatible with tZq standard model production is observed, and the corresponding cross section is measured to be sigma(p p -> t Z q -> l nu b l+ l- q) = 10 +8/-7 fb with a significance of 2.4 standard deviations. No presence of flavour-changing neutral current production of tZq is observed. Exclusion limits at 95% confidence level on the branching fractions of a top quark decaying to a Z boson and an up or a charm quark are found to be B(t -> Z u) 0.022% and B(t - Z c)

Search For Associated Production Of A Z Boson With A Single Top Quark And For Tz Flavour Changing Interactions In Pp Collisions At S

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Author : CMS Collaboration
language : en
Publisher:
Release Date : 2017

Search For Associated Production Of A Z Boson With A Single Top Quark And For Tz Flavour Changing Interactions In Pp Collisions At S written by CMS Collaboration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.

Search For Flavour Changing Neutral Current Interactions Of A Top Quark And A Gluon In Pp Collisions At Square Root S

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Author : [Study Group] ATLAS Collaboration CERN
language : en
Publisher:
Release Date : 2022

Search For Flavour Changing Neutral Current Interactions Of A Top Quark And A Gluon In Pp Collisions At Square Root 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 2022 with categories.

Observation Of The Associated Production Of A Single Top Quark And A W Boson In Pp Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2014

Observation Of The Associated Production Of A Single Top Quark And A W Boson 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 2014 with categories.

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.

A Search For Single Top Quark Production And Flavour Changing Neutral Current Interactions At H1

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Author : John James Kennedy
language : en
Publisher:
Release Date : 2002

A Search For Single Top Quark Production And Flavour Changing Neutral Current Interactions At H1 written by John James Kennedy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.

Associated Production Of A Top Quark And A Z Boson In Pp Collisions At S

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Author : Irina Antonela Cioară
language : en
Publisher:
Release Date : 2018

Associated Production Of A Top Quark And A Z Boson In Pp Collisions At S written by Irina Antonela Cioară 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 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 Top Quark Decays T To Zq In Pp Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2013

Search For Flavor Changing Neutral Currents In Top Quark Decays T To Zq 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 2013 with categories.

Search For The Flavor Changing Neutral Current Decay T Rightarrow Qz In P Overline P Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2007

Search For The Flavor Changing Neutral Current Decay T Rightarrow Qz In P Overline P 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 2007 with categories.

This dissertation presents a blind search for the flavor changing neutral current decay of the top quark t → qZ in pp collisions at [special characters omitted] = 1.96TeV using a data sample corresponding to an integrated luminosity of 1.12 fb-1 collected by the Collider Detector at Fermilab (CDF), This decay is extremely rare in the standard model, and a signal at the Tevatron would be an indication of new physics. Dividing candidate events with a Z boson and four or more jets into a sample of those which have a heavy flavor jet identified by a secondary vertex algorithm and those which do not, we observe data yields consistent with background expectations. We set a 95% C.L. upper limit on the branching fraction B (t → qZ) of 11.3%, consistent with an expected upper limit of 7.8% ± 3.3%.