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	Search for pair production of heavy vector-like quarks decaying to high-p(t) w bosons and b quarks in the lepton-plus-jets final state in pp collisions at root s=13 tev with the atlas detector
	Aaboud, M.198,199; Aad, G.128,129; Abbott, B.160; Abdinov, O.15; Abeloos, B.164; Abidi, S. H.229; AbouZeid, O. S.202; Abraham, N. L.218; Abramowicz, H.222; Abreu, H.221
刊名	Journal of high energy physics
	2017-10-20
期号	10页码:40
关键词	Exotics Hadron-hadron scattering (experiments)
ISSN号	1029-8479
DOI	10.1007/jhep10(2017)141
通讯作者	Aaboud, m.()
英文摘要	A search is presented for the pair production of heavy vector-like t quarks, primarily targeting the t quark decays to a w boson and a b-quark. the search is based on 36: 1 fb(-1) of pp collisions at root s = 13tev recorded in 2015 and 2016 with the atlas detector at the cern large hadron collider. data are analysed in the lepton-plus-jets final state, including at least one b-tagged jet and a large-radius jet identified as originating from the hadronic decay of a high-momentum w boson. no significant deviation from the standard model expectation is observed in the reconstructed t mass distribution. the observed 95% confidence level lower limit on the t mass are 1350 gev assuming 100% branching ratio to wb. in the su(2) singlet scenario, the lower mass limit is 1170 gev. this search is also sensitive to a heavy vector-like b quark decaying to wt and other final states. the results are thus reinterpreted to provide a 95% con fidence level lower limit on the b quark mass at 1250 gev assuming 100% branching ratio to wt; in the su(2) singlet scenario, the limit is 1080 gev. mass limits on both t and b production are also set as a function of the decay branching ratios. the 100% branching ratio limits are found to be applicable to heavy vector-like y and x production that decay to wb and wt, respectively.
WOS关键词	TO-LEADING ORDER ; HADRON COLLIDERS ; LHC ; DISTRIBUTIONS ; RESUMMATION ; MODEL ; MASS
WOS研究方向	Physics
WOS类目	Physics, Particles & Fields
语种	英语
出版者	SPRINGER
WOS记录号	WOS:000413347000006
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2177823
专题	高能物理研究所
通讯作者	Aaboud, M.
作者单位	1.Univ Adelaide, Dept Phys, Adelaide, SA, Australia 2.SUNY Albany, Dept Phys, Albany, NY 12222 USA 3.Univ Alberta, Dept Phys, Edmonton, AB, Canada 4.Ankara Univ, Dept Phys, Ankara, Turkey 5.Istanbul Aydin Univ, Istanbul, Turkey 6.TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey 7.LAPP, CNRS, IN2P3, Annecy Le Vieux, France 8.Univ Savoie Mont Blanc, Annecy Le Vieux, France 9.Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA 10.Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
推荐引用方式 GB/T 7714	Aaboud, M.,Aad, G.,Abbott, B.,et al. Search for pair production of heavy vector-like quarks decaying to high-p(t) w bosons and b quarks in the lepton-plus-jets final state in pp collisions at root s=13 tev with the atlas detector[J]. Journal of high energy physics,2017(10):40.
APA	Aaboud, M..,Aad, G..,Abbott, B..,Abdinov, O..,Abeloos, B..,...&Hamano, K..(2017).Search for pair production of heavy vector-like quarks decaying to high-p(t) w bosons and b quarks in the lepton-plus-jets final state in pp collisions at root s=13 tev with the atlas detector.Journal of high energy physics(10),40.
MLA	Aaboud, M.,et al."Search for pair production of heavy vector-like quarks decaying to high-p(t) w bosons and b quarks in the lepton-plus-jets final state in pp collisions at root s=13 tev with the atlas detector".Journal of high energy physics .10(2017):40.

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