Prospects of searches for long-lived charged particles with MoEDAL

被引：12
|
作者：
Acharya, B. S. [1 ,2 ]
De Roeck, A. [3 ,4 ]
Ellis, J. [2 ,5 ,6 ]
Ghosh, D. K. [7 ]
Maselek, R. [8 ]
Panizzo, G. [1 ,9 ]
Pinfold, J. L. [10 ]
Sakurai, K. [8 ]
Shaa, A. [8 ]
Wall, A. [11 ]
机构：
[1] Abdus Salam Int Ctr Theoret Phys, Str Costiera 11, Trieste, Italy
[2] Kings Coll London, Dept Phys, Theoret Particle Phys & Cosmol Grp, London WC2R 2LS, England
[3] CERN, Expt Phys Dept, CH-1211 Geneva 23, Switzerland
[4] Antwerp Univ, B-2610 Antwerp, Belgium
[5] CERN, Theoret Phys Dept, CH-1211 Geneva 23, Switzerland
[6] NICPB, Ravala 10, EE-10143 Tallinn, Estonia
[7] Indian Assoc Cultivat Sci, Sch Phys Sci, 2A & 2B Raja SC Mullick Rd, Kolkata 700032, India
[8] Univ Warsaw, Fac Phys, Inst Theoret Phys, Ul Pasteura 5, PL-02093 Warsaw, Poland
[9] INFN Grp Collegato Udine, Sez Trieste, Udine, Italy
[10] Univ Alberta, Phys Dept, Edmonton, AB T6G 2E4, Canada
[11] Univ Alabama, Dept Phys, Tuscaloosa, AL USA
来源：
EUROPEAN PHYSICAL JOURNAL C | 2020年 / 80卷 / 06期
关键词：
PROTON-PROTON COLLISIONS; NEUTRINO MASSES; HIGGS; SUPERSYMMETRY; MODEL; VIOLATION; SYMMETRY; TRIPLETS; MIXINGS;
D O I：
10.1140/epjc/s10052-020-8093-5
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We study the prospects of searches for exotic long-lived particles with the MoEDAL detector at the LHC, assuming the integrated luminosity of 30 fb(-1) that is expected at the end of Run 3. MoEDAL incorporates nuclear track detectors deployed a few metres away from the interaction point, which are sensitive to any highly-ionizing particles. Hence MoEDAL is able to detect singly- or doubly-charged particles with low velocities beta < 0.15 or < 0.3, respectively, and lifetimes larger than O(1) m/c. We examine the MoEDAL sensitivity to various singly-charged super-symmetric particles with long lifetimes and to several types of doubly-charged long-lived particles with different spins and SU(2) charges. We compare the prospective MoEDAL mass reaches to current limits from ATLAS and CMS, which involve auxiliary analysis assumptions. MoEDAL searches for doubly-charged fermions are particularly competitive.
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页数：14
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