About: Search for a heavy particle decaying to a top quark and a light quark in ppˉ collisions at is=1.96 TeV

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We present a search for a new heavy particle $M$ produced in association with a top quark, $p/bar{p}/rightarrow t(M /rightarrow /bar{t}q)$ or $p/bar{p}/rightarrow /bar{t}(/bar{M}/rightarrow t/bar{q})$, where $q$ stands for up and down quarks. Such a particle may explain the recent anomalous measurements of top-quark forward-backward asymmetry. If the light-flavor quark ($q$) is reconstructed as a jet ($j$), this gives a $/bar{t}+j$ or $t+j$ resonance in $t/bar{t}$+jet events, a previously unexplored experimental signature. In a sample of events with exactly one lepton, missing transverse momentum and at least five jets, corresponding to an integrated luminosity of 8.7 fb$^{-1}$ collected by the CDF II detector, we find the data to be consistent with the standard model. We set cross-section upper limits on the production ($p/bar{p}/rightarrow Mt$ or $/bar{M}/bar{t}$) at 95% confidence level from 0.61 pb to 0.02 pb for $M$ masses ranging from 200 GeV$/c^2$ to 800 GeV$/c^2$, respectively. We present a search for a new heavy particle $M$ produced in association with a top quark, $p/bar{p}/rightarrow t(M /rightarrow /bar{t}q)$ or $p/bar{p}/rightarrow /bar{t}(/bar{M}/rightarrow t/bar{q})$, where $q$ stands for up and down quarks. Such a particle may explain the recent anomalous measurements of top-quark forward-backward asymmetry. If the light-flavor quark ($q$) is reconstructed as a jet ($j$), this gives a $/bar{t}+j$ or $t+j$ resonance in $t/bar{t}$+jet events, a previously unexplored experimental signature. In a sample of events with exactly one lepton, missing transverse momentum and at least five jets, corresponding to an integrated luminosity of 8.7 fb$^{-1}$ collected by the CDF II detector, we find the data to be consistent with the standard model. We set cross-section upper limits on the production ($p/bar{p}/rightarrow Mt$ or $/bar{M}/bar{t}$) at 95% confidence level from 0.61 pb to 0.02 pb for $M$ masses ranging from 200 GeV$/c^2$ to 800 GeV$/c^2$, respectively. (en)
Title	Search for a heavy particle decaying to a top quark and a light quark in ppˉ collisions at is=1.96 TeV Search for a heavy particle decaying to a top quark and a light quark in ppˉ collisions at is=1.96 TeV (en)
skos:prefLabel	Search for a heavy particle decaying to a top quark and a light quark in ppˉ collisions at is=1.96 TeV Search for a heavy particle decaying to a top quark and a light quark in ppˉ collisions at is=1.96 TeV (en)
skos:notation	RIV/68378271:_____/12:00389139!RIV13-AV0-68378271
http://linked.open...avai/predkladatel	Fyzikální ústav AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LC527), Z(AV0Z10100502)
http://linked.open...iv/cisloPeriodika	21
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Lysák, Roman
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	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	166928
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/12:00389139
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	CDF; Batavia TEVATRON; top pair production; angular distribution asymmetry; heavy particle; color singlet (en)
http://linked.open.../riv/klicoveSlovo	color singlet heavy particle angular distribution asymmetry Batavia TEVATRON top pair production CDF
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[733442BC6938]
http://linked.open...i/riv/nazevZdroje	Physical Review Letters
http://linked.open...in/vavai/riv/obor	BF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	476 (xsd:int)
http://linked.open...vavai/riv/projekt	Center for Particle Physics
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	108
http://linked.open...iv/tvurceVysledku	Aaltonen, T. Gonzalez, B. A. Lysák, Roman Adelman, J.
http://linked.open...ain/vavai/riv/wos	000304404700007
http://linked.open...n/vavai/riv/zamer	Jevy fyziky elementárních částic přesahující standardní model
issn	0031-9007
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevLett.108.211805
is http://linked.open...avai/riv/vysledek of	Search for a heavy particle decaying to a top quark and a light quark in ppˉ collisions at is=1.96 TeV

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