Searching for long-lived particles: A compact detector for exotics at LHCbSearching for long-lived particles: A compact detector for exotics at LHCb

被引：191
|
作者：
Gligorov, Vladimir V. [1 ]
Knapen, Simon [2 ,3 ]
Papucci, Michele [2 ,3 ]
Robinson, Dean J. [4 ]
机构：
[1] Univ Paris Diderot, CNRS IN2P3, Univ Pierre & Marie Curie, LPNHE, Paris, France
[2] Univ Calif Berkeley, Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[3] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
[4] Univ Cincinnati, Phys Dept, Cincinnati, OH 45221 USA
来源：
PHYSICAL REVIEW D | 2018年 / 97卷 / 01期
基金：
美国国家科学基金会; 欧洲研究理事会;
关键词：
TOTAL CROSS-SECTIONS; NEUTRINO; HIGGS; LIMITS;
D O I：
10.1103/PhysRevD.97.015023
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We advocate for the construction of a newdetector element at the LHCb experiment, designed to search for displaced decays of beyond Standard Model long-lived particles, taking advantage of a large shielded space in the LHCb cavern that is expected to soon become available. We discuss the general features and putative capabilities of such an experiment, as well as its various advantages and complementarities with respect to the existing LHC experiments and proposals such as SHiP and MATHUSLA. For two well-motivated beyond Standard Model benchmark scenarios-Higgs decay to dark photons and Bmeson decays via a Higgs mixing portal-the reach either complements or exceeds that predicted for other LHC experiments.
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收藏
页数：12
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