Artículos de revistas
Searches for invisible decays of the Higgs boson in pp collisions at root S=7, 8, and 13 TeV
Fecha
2017-02-28Registro en:
Journal Of High Energy Physics. New York: Springer, n. 2, 56 p., 2017.
1029-8479
10.1007/JHEP02(2017)135
WOS:000397648000001
WOS000397648000001.pdf
Autor
Yerevan Phys Inst
Inst Hochenergiephys
Inst Nucl Problems
Natl Ctr Particle & High Energy Phys
Univ Antwerp
Vrije Univ Brussel
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Catholic Univ Louvain
Univ Mons
Ctr Brasileiro Pesquisas Fis
Universidade do Estado do Rio de Janeiro (UERJ)
Universidade Estadual Paulista (Unesp)
Universidade Federal do ABC (UFABC)
Inst Nucl Energy Res
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Inst High Energy Phys
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Institución
Resumen
Searches for invisible decays of the Higgs boson are presented. The data collected with the CMS detector at the LHC correspond to integrated luminosities of 5.1, 19.7, and 2.3 fb(-1) at centre-of-mass energies of 7, 8, and 13TeV, respectively. The search channels target Higgs boson production via gluon fusion, vector boson fusion, and in association with a vector boson. Upper limits are placed on the branching fraction of the Higgs boson decay to invisible particles, as a function of the assumed production cross sections. The combination of all channels, assuming standard model production, yields an observed (expected) upper limit on the invisible branching fraction of 0.24 (0.23) at the 95% confidence level. The results are also interpreted in the context of Higgs-portal dark matter models.