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 13 TeV, 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.[Figure not available: see fulltext.]

Khachatryan, V., Sirunyan, A., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T., et al. (2017). Searches for invisible decays of the Higgs boson in pp collisions at √s = 7, 8, and 13 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 2017(2) [10.1007/JHEP02(2017)135].

Searches for invisible decays of the Higgs boson in pp collisions at √s = 7, 8, and 13 TeV

BRIANZA, LUCA;DINARDO, MAURO EMANUELE;FIORENDI, SARA;GHEZZI, ALESSIO;GOVONI, PIETRO;MALBERTI, MARTINA;MANZONI, RICCARDO ANDREA;MORONI, LUIGI;PAGANONI, MARCO;PIGAZZINI, SIMONE;RAGAZZI, STEFANO;TABARELLI DE FATIS, TOMMASO;Lucchini, M;Gerosa, R;Massironi, A;De Guio, F;
2017

Abstract

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 13 TeV, 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.[Figure not available: see fulltext.]
Articolo in rivista - Articolo scientifico
Beyond Standard Model; Hadron-Hadron scattering (experiments); Higgs physics; Nuclear and High Energy Physics
English
2017
2017
2
135
reserved
Khachatryan, V., Sirunyan, A., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T., et al. (2017). Searches for invisible decays of the Higgs boson in pp collisions at √s = 7, 8, and 13 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 2017(2) [10.1007/JHEP02(2017)135].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/153068
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