ÚTEFČVUT Ústav technické a experimentální fyziky ČVUT v PrazeInstitute of Experimental and Applied Physics, CTU in Prague

A case study about the mass exclusion limits for the BSM vector resonances with the direct couplings to the third quark generation

NázevTitle
A case study about the mass exclusion limits for the BSM vector resonances with the direct couplings to the third quark generationA case study about the mass exclusion limits for the BSM vector resonances with the direct couplings to the third quark generation
Druh výsledkuResult type
Článek v časopiseJournal article
AutořiAuthors
M. Gintner, J. Juráň
Klíčová slovaKeywords
vector resonance, Beyond the Standard Model, effective Lagrangian, mass exclusion limits, third quark generation, Large Hadron Collider
DOIDOI
10.1140/epjc/s10052-020-7732-1
Časopis / citaceJournal / citation
The European Physical Journal C 80(2), 161 (2020) · ISSN 1434-6044
RokYear
2020
JazykLanguage
eng
ZáznamyRecords
ProjektProject
Získávání nových poznatků o mikrosvětě v infrastruktuře CERNAcquiring new pieces of knowledge about micro-world in CERN research infrastructure
CitovánoCited by
4 (INSPIRE-HEP)
2019: 12020: 12021: 12022: 02023: 02024: 02025: 1
Plný text (open access)Full text (open access)
https://link.springer.com/content/pdf/10.1140/epjc/s10052-020-7732-1.pdf
Citace ke staženíDownload citation
TXT · BibTeX

AbstraktAbstract

The upper bounds that the LHC measurements searching for heavy resonances beyond the Standard model set on the resonance production cross sections are not universal. They depend on various characteristics of the resonance under consideration, like its mass, spin, and its interaction pattern. Their validity is also limited by the assumptions and approximations applied to their calculations. The bounds are typically used to derive the mass exclusion limits for the new resonances. In our work, we address some of the issues that emerge when deriving the mass exclusion limits for the strongly coupled composite SU(2)L+R vector resonance triplet which would interact directly to the third quark generation only. We investigate the restrictions on the applicability of the generally used limit-obtaining procedure to this particular type of vector resonances. We demonstrate that, in this case, it is necessary to consider the bottom quark partonic contents of the proton. Eventually, we find the mass exclusion limits for this resonance triplet for some representative subsets of the parameter space.

The upper bounds that the LHC measurements searching for heavy resonances beyond the Standard model set on the resonance production cross sections are not universal. They depend on various characteristics of the resonance under consideration, like its mass, spin, and its interaction pattern. Their validity is also limited by the assumptions and approximations applied to their calculations. The bounds are typically used to derive the mass exclusion limits for the new resonances. In our work, we address some of the issues that emerge when deriving the mass exclusion limits for the strongly coupled composite SU(2)L+R vector resonance triplet which would interact directly to the third quark generation only. We investigate the restrictions on the applicability of the generally used limit-obtaining procedure to this particular type of vector resonances. We demonstrate that, in this case, it is necessary to consider the bottom quark partonic contents of the proton. Eventually, we find the mass exclusion limits for this resonance triplet for some representative subsets of the parameter space.

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