About: Combination of CDF and D0 measurements of the W boson helicity in top quark decay

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About: Combination of CDF and D0 measurements of the W boson helicity in top quark decay Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We report the combination of recent measurements of the helicity of the W boson from top quark decay by the CDF and D0 collaborations, based on data samples corresponding to integrated luminosities of 2.7 - 5.4 fb^-1 of ppbar collisions collected during Run II of the Fermilab Tevatron Collider. Combining measurements that simultaneously determine the fractions of W bosons with longitudinal (f0) and right-handed (f+) helicities, we find f0 = 0.722 /pm 0.081 [/pm 0.062 (stat.) /pm 0.052 (syst.)] and f+ = -0.033 /pm 0.046 [/pm 0.034 (stat.) /pm 0.031 (syst.)]. Combining measurements where one of the helicity fractions is fixed to the value expected in the standard model, we find f0 = 0.682 /pm 0.057 [/pm 0.035 (stat.) /pm 0.046 (syst.)] and f+ = -0.015/pm0.035 [/pm 0.018 (stat.) /pm 0.030 (syst.)]. The results are consistent with standard model expectations. We report the combination of recent measurements of the helicity of the W boson from top quark decay by the CDF and D0 collaborations, based on data samples corresponding to integrated luminosities of 2.7 - 5.4 fb^-1 of ppbar collisions collected during Run II of the Fermilab Tevatron Collider. Combining measurements that simultaneously determine the fractions of W bosons with longitudinal (f0) and right-handed (f+) helicities, we find f0 = 0.722 /pm 0.081 [/pm 0.062 (stat.) /pm 0.052 (syst.)] and f+ = -0.033 /pm 0.046 [/pm 0.034 (stat.) /pm 0.031 (syst.)]. Combining measurements where one of the helicity fractions is fixed to the value expected in the standard model, we find f0 = 0.682 /pm 0.057 [/pm 0.035 (stat.) /pm 0.046 (syst.)] and f+ = -0.015/pm0.035 [/pm 0.018 (stat.) /pm 0.030 (syst.)]. The results are consistent with standard model expectations. (en)
Title	Combination of CDF and D0 measurements of the W boson helicity in top quark decay Combination of CDF and D0 measurements of the W boson helicity in top quark decay (en)
skos:prefLabel	Combination of CDF and D0 measurements of the W boson helicity in top quark decay Combination of CDF and D0 measurements of the W boson helicity in top quark decay (en)
skos:notation	RIV/68378271:_____/12:00398951!RIV14-MSM-68378271
http://linked.open...avai/predkladatel	Fyzikální ústav AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(LG12006)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kupčo, Alexander Lokajíček, Miloš 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	127671
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/12:00398951
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	D0; Fermilab; anti-p p; interaction; top; pair production; helicity; leptonic decay; final state; (n)jet lepton; dilepton; final state (en)
http://linked.open.../riv/klicoveSlovo	D0 final state pair production leptonic decay interaction anti-p p (n)jet lepton Fermilab helicity dilepton top
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[6CA70CDFE353]
http://linked.open...i/riv/nazevZdroje	Physical Review D: Particles, Fields, Gravitation and Cosmology
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	868 (xsd:int)
http://linked.open...vavai/riv/projekt	Collaboration on NOvA and D0 Experiments at Fermi National Laboratory, USA
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	85
http://linked.open...iv/tvurceVysledku	Abazov, V. M. Abbott, B. Kupčo, Alexander Lokajíček, Miloš Aaltonen, T. Lysák, Roman
http://linked.open...ain/vavai/riv/wos	000303310000001
issn	1550-7998
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevD.85.071106

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