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Measurement of the higgs boson coupling properties in the h -> zz* -> 4l decay channel at root s=13 tev with the atlas detector

文献类型:期刊论文

作者Aaboud, M.198,199; Aad, G.129,130; Abbott, B.161; Abdinov, O.15; Abeloos, B.165; Abidi, S. H.231; AbouZeid, O. S.202; Abraham, N. L.220; Abramowicz, H.224; Abreu, H.223
刊名Journal of high energy physics
出版日期2018-03-15
期号3页码:60
ISSN号1029-8479
关键词Hadron-hadron scattering (experiments)
DOI10.1007/jhep03(2018)095
通讯作者Aaboud, m.(atlas.publications@cern.ch)
英文摘要The coupling properties of the higgs boson are studied in the four-lepton (e, mu) decay channel using 36.1 fb(-1) of pp collision data from the lhc at a centre-of-mass energy of 13 tev collected by the atlas detector. cross sections are measured for the main production modes in several exclusive regions of the higgs boson production phase space and are interpreted in terms of coupling modifiers. the inclusive cross section times branching ratio for h -> zz* decay and for a higgs boson absolute rapidity below 2.5 is measured to be 1.73(-0.23)(+0.24)(stat.)(-0.08)(+0.10)(exp.)+/- 0.04(th.) pb compared to the standard model prediction of 1.34 +/- 0.09 pb. in addition, the tensor structure. of the higgs boson couplings is studied using an effective lagrangian approach for the description of interactions beyond the standard model. constraints are placed on the non-standard-model cp-even and cp-odd couplings to z bosons and on the cp-odd coupling to gluons.
WOS关键词NLO QCD CORRECTIONS ; TO-LEADING ORDER ; HADRON COLLIDERS ; STANDARD MODEL ; GLUON FUSION ; LHC ; SEARCH ; DISTRIBUTIONS ; PARTICLE ; PHYSICS
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:000428792500007
URI标识http://www.irgrid.ac.cn/handle/1471x/2178190
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 Mt 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
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GB/T 7714
Aaboud, M.,Aad, G.,Abbott, B.,et al. Measurement of the higgs boson coupling properties in the h -> zz* -> 4l decay channel at root s=13 tev with the atlas detector[J]. Journal of high energy physics,2018(3):60.
APA Aaboud, M..,Aad, G..,Abbott, B..,Abdinov, O..,Abeloos, B..,...&Halladjian, G..(2018).Measurement of the higgs boson coupling properties in the h -> zz* -> 4l decay channel at root s=13 tev with the atlas detector.Journal of high energy physics(3),60.
MLA Aaboud, M.,et al."Measurement of the higgs boson coupling properties in the h -> zz* -> 4l decay channel at root s=13 tev with the atlas detector".Journal of high energy physics .3(2018):60.

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