Search for top quark decays t → qH, with H → γγ, in √s=13 TeV pp collisions using the ATLAS detector. / The ATLAS Collaboration.

In: Journal of High Energy Physics, Vol. 2017, 129, 10.2017, p. 1-43.

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Search for top quark decays t → qH, with H → γγ, in √s=13 TeV pp collisions using the ATLAS detector. / The ATLAS Collaboration.

In: Journal of High Energy Physics, Vol. 2017, 129, 10.2017, p. 1-43.

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The ATLAS Collaboration. / Search for top quark decays t → qH, with H → γγ, in √s=13 TeV pp collisions using the ATLAS detector. In: Journal of High Energy Physics. 2017 ; Vol. 2017. pp. 1-43.

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@article{f9a886df94f943e89c2a764e414b31d4,
title = "Search for top quark decays t → qH, with H → γγ, in √s=13 TeV pp collisions using the ATLAS detector",
abstract = "This article presents a search for flavour-changing neutral currents in the decay of a top quark into an up-type (q = c, u) quark and a Higgs boson, where the Higgs boson decays into two photons. The proton-proton collision data set analysed amounts to 36.1 fb−1 at √s=13 TeV collected by the ATLAS experiment at the LHC. Top quark pair events are searched for, where one top quark decays into qH and the other decays into bW . Both the hadronic and leptonic decay modes of the W boson are used. No significant excess is observed and an upper limit is set on the t → cH branching ratio of 2.2 × 10−3 at the 95% confidence level, while the expected limit in the absence of signal is 1.6 × 10−3. The corresponding limit on the tcH coupling is 0.090 at the 95% confidence level. The observed upper limit on the t → uH branching ratio is 2.4 × 10−3.",
author = "{The ATLAS Collaboration}",
year = "2017",
month = oct,
doi = "10.1007%2FJHEP10%282017%29129",
language = "English",
volume = "2017",
pages = "1--43",
journal = "Journal of High Energy Physics",
issn = "1126-6708",
publisher = "Springer Verlag",

}

RIS

TY - JOUR

T1 - Search for top quark decays t → qH, with H → γγ, in √s=13 TeV pp collisions using the ATLAS detector

AU - The ATLAS Collaboration

PY - 2017/10

Y1 - 2017/10

N2 - This article presents a search for flavour-changing neutral currents in the decay of a top quark into an up-type (q = c, u) quark and a Higgs boson, where the Higgs boson decays into two photons. The proton-proton collision data set analysed amounts to 36.1 fb−1 at √s=13 TeV collected by the ATLAS experiment at the LHC. Top quark pair events are searched for, where one top quark decays into qH and the other decays into bW . Both the hadronic and leptonic decay modes of the W boson are used. No significant excess is observed and an upper limit is set on the t → cH branching ratio of 2.2 × 10−3 at the 95% confidence level, while the expected limit in the absence of signal is 1.6 × 10−3. The corresponding limit on the tcH coupling is 0.090 at the 95% confidence level. The observed upper limit on the t → uH branching ratio is 2.4 × 10−3.

AB - This article presents a search for flavour-changing neutral currents in the decay of a top quark into an up-type (q = c, u) quark and a Higgs boson, where the Higgs boson decays into two photons. The proton-proton collision data set analysed amounts to 36.1 fb−1 at √s=13 TeV collected by the ATLAS experiment at the LHC. Top quark pair events are searched for, where one top quark decays into qH and the other decays into bW . Both the hadronic and leptonic decay modes of the W boson are used. No significant excess is observed and an upper limit is set on the t → cH branching ratio of 2.2 × 10−3 at the 95% confidence level, while the expected limit in the absence of signal is 1.6 × 10−3. The corresponding limit on the tcH coupling is 0.090 at the 95% confidence level. The observed upper limit on the t → uH branching ratio is 2.4 × 10−3.

U2 - 10.1007%2FJHEP10%282017%29129

DO - 10.1007%2FJHEP10%282017%29129

M3 - Article

VL - 2017

SP - 1

EP - 43

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1126-6708

M1 - 129

ER -