Implications of perturbative unitarity for scalar di-boson resonance searches at LHC

被引：43
|
作者：
Luzio, Luca Di [1 ,2 ,3 ]
Kamenik, Jernej F. [4 ,5 ]
Nardecchia, Marco [6 ,7 ]
机构：
[1] Univ Genoa, Dipartimento Fis, Via Dodecaneso 33, I-16159 Genoa, Italy
[2] Ist Nazl Fis Nucl, Sez Genova, Via Dodecaneso 33, I-16159 Genoa, Italy
[3] Univ Durham, Dept Phys, Inst Particle Phys Phenomenol, Durham DH1 3LE, England
[4] Jozef Stefan Inst, Jamova 39, Ljubljana 1000, Slovenia
[5] Univ Ljubljana, Fac Math & Phys, Jadranska 19, Ljubljana 1000, Slovenia
[6] Univ Cambridge, DAMTP, Wilberforce Rd, Cambridge CB3 0WA, England
[7] CERN, Dept Theoret Phys, Geneva, Switzerland
来源：
EUROPEAN PHYSICAL JOURNAL C | 2017年 / 77卷 / 01期
关键词：
WEAK-INTERACTIONS; HIGGS-BOSON; HIGH-ENERGIES;
D O I：
10.1140/epjc/s10052-017-4594-2
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 constraints implied by partial wave unitarity on new physics in the form of spin-zero di-boson resonances at LHC. We derive the scale where the effective description in terms of the SM supplemented by a single resonance is expected to break down depending on the resonance mass and signal cross section. Likewise, we use unitarity arguments in order to set perturbativity bounds on renormalizable UV completions of the effective description. We finally discuss under which conditions scalar di-boson resonance signals can be accommodated within weakly coupled models.
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收藏
页数：20
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