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	Search for a scalar partner of the top quark in the jets plus missing transverse momentum final state at root s=13 tev with the atlas detector
	Aaboud, M.197,198; Aad, G.128,129; Abbott, B.160; Abdinov, O.15; Abeloos, B.164; Abidi, S. H.93,229; AbouZeid, O. S.201; Abraham, N. L.218; Abramowicz, H.222; Abreu, H.221
刊名	Journal of high energy physics
	2017-12-15
期号	12页码:56
关键词	Hadron-hadron scattering (experiments)
ISSN号	1029-8479
DOI	10.1007/jhep12(2017)085
通讯作者	Aaboud, m.()
英文摘要	A search for pair production of a scalar partner of the top quark in events with four or more jets plus missing transverse momentum is presented. an analysis of 36.1 fb(-1) of root s = 13 tev proton-proton collisions collected using the atlas detector at the lhc yields no significant excess over the expected standard model background. to interpret the results a simplified supersymmetric model is used where the top squark is assumed to decay via (t) over tilde (1) -> t((*)) (chi) over tilde (0)(1) and (t) over tilde (1) -> b (chi) over tilde (+/-)(1) -> bw((*)) (chi) over tilde (0)(1), where (chi) over tilde (0)(1) ((chi) over tilde (+/-)(1) denotes the lightest neutralino (chargino). exclusion limits are placed in terms of the top-squark and neutralino masses. assuming a branching ratio of 100% to t (chi) over tilde (0)(1), top-squark masses in the range 450-1000 gev are excluded for (chi) over tilde (0)(1) masses below 160 gev. in the case where m((t) over tilde1) similar to m(t) + m((chi) over tilde 10), top-squark masses in the range 235-590 gev are excluded.
WOS关键词	HADRON COLLIDERS ; PARTON DISTRIBUTIONS ; MEASURING MASSES ; SUPERSYMMETRY ; EXTENSION ; SQUARK ; COLLISIONS ; SOFTSUSY ; PARTICLE ; PROGRAM
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:000418558900001
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2178267
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.CNRS, IN2P3, LAPP, Annecy Le Vieux, France 8.Univ Savoie Mont Blanc, Annecy Le Vieux, France 9.Argonne Natl Lab, Div High Energy Phys, 9700 S Cass Ave, 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 a scalar partner of the top quark in the jets plus missing transverse momentum final state at root s=13 tev with the atlas detector[J]. Journal of high energy physics,2017(12):56.
APA	Aaboud, M..,Aad, G..,Abbott, B..,Abdinov, O..,Abeloos, B..,...&Hamano, K..(2017).Search for a scalar partner of the top quark in the jets plus missing transverse momentum final state at root s=13 tev with the atlas detector.Journal of high energy physics(12),56.
MLA	Aaboud, M.,et al."Search for a scalar partner of the top quark in the jets plus missing transverse momentum final state at root s=13 tev with the atlas detector".Journal of high energy physics .12(2017):56.

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