About: Search for same-sign top-quark pair production at root s=7 TeV and limits on flavour changing neutral currents in the top sector

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	An inclusive search for same-sign top-quark pair production in pp collisions at root s = 7 TeV is performed using a data sample recorded with the CMS detector in 2010, corresponding to an integrated luminosity of 35 pb(-1). This analysis is motivated by recent studies of p (p) over bar -} t (t) over bar reporting mass-dependent forward-backward asymmetries larger than expected from the standard model. These asymmetries could be due to Flavor Changing Neutral Currents (FCNC) in the top sector induced by t -channel exchange of a massive neutral vector boson (Z'). Models with such a Z' also predict enhancement of same-sign top-pair production in pp or pp collisions. Limits are set as a function of the Z' mass and its couplings to u and t quarks. These limits disfavour the FCNC interpretation of the Tevatron results. An inclusive search for same-sign top-quark pair production in pp collisions at root s = 7 TeV is performed using a data sample recorded with the CMS detector in 2010, corresponding to an integrated luminosity of 35 pb(-1). This analysis is motivated by recent studies of p (p) over bar -} t (t) over bar reporting mass-dependent forward-backward asymmetries larger than expected from the standard model. These asymmetries could be due to Flavor Changing Neutral Currents (FCNC) in the top sector induced by t -channel exchange of a massive neutral vector boson (Z'). Models with such a Z' also predict enhancement of same-sign top-pair production in pp or pp collisions. Limits are set as a function of the Z' mass and its couplings to u and t quarks. These limits disfavour the FCNC interpretation of the Tevatron results. (en)
Title	Search for same-sign top-quark pair production at root s=7 TeV and limits on flavour changing neutral currents in the top sector Search for same-sign top-quark pair production at root s=7 TeV and limits on flavour changing neutral currents in the top sector (en)
skos:prefLabel	Search for same-sign top-quark pair production at root s=7 TeV and limits on flavour changing neutral currents in the top sector Search for same-sign top-quark pair production at root s=7 TeV and limits on flavour changing neutral currents in the top sector (en)
skos:notation	RIV/00216208:11320/11:10109391!RIV12-MSM-11320___
http://linked.open...avai/predkladatel	Matematicko-fyzikální fakulta
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(LA08015)
http://linked.open...iv/cisloPeriodika	08
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Finger, Michael Finger, Miroslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	228441
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/11:10109391
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	sector; top; currents; neutral; changing; flavour; limits; TeV; s=7; root; production; pair; top-quark; same-sign; for; Search (en)
http://linked.open.../riv/klicoveSlovo	production pair top-quark changing currents neutral same-sign Search flavour for sector TeV root s=7 limits top
http://linked.open...odStatuVydavatele	IT - Italská republika
http://linked.open...ontrolniKodProRIV	[4E90860D90CF]
http://linked.open...i/riv/nazevZdroje	Journal of High Energy Physics
http://linked.open...in/vavai/riv/obor	BF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2208 (xsd:int)
http://linked.open...vavai/riv/projekt	Collaboration of the Czech Republic with CERN
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	08
http://linked.open...iv/tvurceVysledku	CMS, Collaboration Chatrchyan, S. Finger, Michael Finger, Miroslav Khachatryan, V.
http://linked.open...ain/vavai/riv/wos	000294901400077
issn	1126-6708
number of pages	27 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/JHEP08(2011)005
http://localhost/t...ganizacniJednotka	11320
is http://linked.open...avai/riv/vysledek of	Search for same-sign top-quark pair production at root s=7 TeV and limits on flavour changing neutral currents in the top sector Search for same-sign top-quark pair production at root s=7 TeV and limits on flavour changing neutral currents in the top sector

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