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

Searches for invisible decays of the Higgs boson in pp collisions at √s = 7, 8, and 13 TeV
Searches for invisible decays of the Higgs boson in pp collisions at √s = 7, 8, and 13 TeV
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.
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
The CMS Collaboration
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3

The CMS Collaboration (2017) Searches for invisible decays of the Higgs boson in pp collisions at √s = 7, 8, and 13 TeV. The Journal of High Energy Physics, 02 (135). (doi:10.1007/JHEP02(2017)135).

Record type: Article

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.

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Accepted/In Press date: 7 February 2017
e-pub ahead of print date: 28 February 2017
Organisations: Physics & Astronomy

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Local EPrints ID: 406169
URI: http://eprints.soton.ac.uk/id/eprint/406169
PURE UUID: d6c79579-a4ab-4ec6-bdde-a063ac091639
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

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Date deposited: 10 Mar 2017 10:41
Last modified: 16 Mar 2024 03:53

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Corporate Author: The CMS Collaboration

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