Search for flavour-changing neutral current top quark decays tHq in pp collisions at s=8 TeV with the ATLAS detector

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F15%3A00465520" target="_blank" >RIV/68378271:_____/15:00465520 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1007/JHEP12(2015)061" target="_blank" >http://dx.doi.org/10.1007/JHEP12(2015)061</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/JHEP12(2015)061" target="_blank" >10.1007/JHEP12(2015)061</a>

Result language
angličtina
Original language name
Search for flavour-changing neutral current top quark decays tHq in pp collisions at s=8 TeV with the ATLAS detector
Original language description
A search for flavour-changing neutral current decays of a top quark to an uptype quark (q = u, c) and the Standard Model Higgs boson, where the Higgs boson decays to bb, is presented. The analysis searches for top quark pair events in which one top quark decays to Wb, with the W boson decaying leptonically, and the other top quark decays to Hq. The search is based on pp collisions at s=8 TeV recorded in 2012 with the ATLAS detector at the CERN Large Hadron Collider and uses an integrated luminosity of 20.3 fb1. Data are analysed in the lepton-plus-jets final state, characterised by an isolated electron or muon and at least four jets. The search exploits the high multiplicity of b-quark jets characteristic of signal events, and employs a likelihood discriminant that uses the kinematic differences between the signal and the background, which is dominated by ttWbWb decays.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BF - Elementary particle theory and high energy physics
OECD FORD branch
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Project
<a href="/en/project/LG13009" target="_blank" >LG13009: International experiment ATLAS-CERN</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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