Interpreting 750 GeV diphoton excess in plain NMSSM

被引：20
|
作者：
Badziak, Marcin [1 ,2 ,3 ]
Olechowski, Marek [1 ]
Pokorski, Stefan [1 ]
Sakurai, Kazuki [4 ]
机构：
[1] Univ Warsaw, Fac Phys, Inst Theoret Phys, Ul Pasteura 5, PL-02093 Warsaw, Poland
[2] Univ Calif Berkeley, Dept Phys, Berkeley Ctr Theoret Phys, Berkeley, CA 94720 USA
[3] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Theoret Phys Grp, Berkeley, CA 94720 USA
[4] Univ Durham, Sci Labs, Dept Phys, Inst Particle Phys Phenomenol, South Rd, Durham DH1 3LE, England
来源：
PHYSICS LETTERS B | 2016年 / 760卷
基金：
美国国家科学基金会;
关键词：
HIGGS PRODUCTION; STANDARD MODEL; SCALAR; BOSON; MASS;
D O I：
10.1016/j.physletb.2016.06.057
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
NMSSM has enough ingredients to explain the diphoton excess at 750 GeV: singlet-like (pseudo) scalar (a) sand higgsinos as heavy vector-like fermions. We consider the production of the 750 GeV singlet-like pseudo scalar a from a decay of the doublet-like pseudo scalar A, and the subsequent decay of a into two photons via higgsino loop. We demonstrate that this cascade decay of the NMSSM Higgs bosons can explain the diphoton excess at 750 GeV. (C) 2016 The Authors. Published by Elsevier B.V.
引用
收藏
页码：228 / 235
页数：8
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