Study of interference effects in the search for flavour-changing neutral current interactions involving the top quark and a photon or a Z boson at the LHC

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dc.contributor.authorBarros, Maura
dc.contributor.authorCastro, Nuno Filipe
dc.contributor.authorErdmann, Johannes
dc.contributor.authorGeßner, Gregor
dc.contributor.authorKröninger, Kevin
dc.contributor.authorLa Cagnina, Salvatore
dc.contributor.authorPeixoto, Ana
dc.date.accessioned2021-04-06T10:57:05Z
dc.date.available2021-04-06T10:57:05Z
dc.date.issued2020-03-30
dc.description.abstractFlavour-changing neutral-current interactions of the top quark can be searched for in top-quark pair production with one top quark decaying to an up-type quark and a neutral boson, and they can be searched for in the single production of a top quark in association with such a boson. Both processes interfere if an additional up-type quark is produced in the case of single production. The impact of these interference effects on searches for flavour-changing neutral currents at the LHC is studied for the case where the neutral boson is a photon or a Z boson. Interference effects are found to be smaller than variations of the renormalisation and factorisation scales.en
dc.identifier.urihttp://hdl.handle.net/2003/40135
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-22010
dc.language.isoende
dc.relation.ispartofseriesEur. Phys. J. Plus;135
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subject.ddc530
dc.subject.rswkQuark <Physik>de
dc.subject.rswkBosonde
dc.subject.rswkPhotonde
dc.subject.rswkLHCde
dc.subject.rswkZ-Bosonde
dc.subject.rswkFlavourmischungde
dc.titleStudy of interference effects in the search for flavour-changing neutral current interactions involving the top quark and a photon or a Z boson at the LHCen
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsopen access
eldorado.secondarypublicationtruede
eldorado.secondarypublication.primarycitationBarros, M., Castro, N.F., Erdmann, J. et al. Study of interference effects in the search for flavour-changing neutral current interactions involving the top quark and a photon or a Z boson at the LHC. Eur. Phys. J. Plus 135, 339 (2020).de
eldorado.secondarypublication.primaryidentifierhttps://doi.org/10.1140/epjp/s13360-020-00346-3de

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