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Authors

Publications

Search for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes

Chatrchyan, S.; Adžić, Petar; Đorđević, Miloš; Ekmedzic, M.; Milošević, Jovan; Milenović, Predrag; Rekovic, V.

(2014)

TY  - JOUR
AU  - Chatrchyan, S.
AU  - Adžić, Petar
AU  - Đorđević, Miloš
AU  - Ekmedzic, M.
AU  - Milošević, Jovan
AU  - Milenović, Predrag
AU  - Rekovic, V.
PY  - 2014
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/69
AB  - A search for invisible decays of Higgs bosons is performed using the vector boson fusion and associated ZH production modes. In the ZH mode, the Z boson is required to decay to a pair of charged leptons or a bb quark pair. The searches use the 8TeV pp collision dataset collected by the CMS detector at the LHC, corresponding to an integrated luminosity of up to 19.7 fb(-1). Certain channels include data from 7TeV collisions corresponding to an integrated luminosity of 4.9 fb(-1).The searches are sensitive to non-standardmodel invisible decays of the recently observed Higgs boson, as well as additional Higgs bosons with similar production modes and large invisible branching fractions. In all channels, the observed data are consistent with the expected standard model backgrounds. Limits are set on the production cross section times invisible branching fraction, as a function of the Higgs boson mass, for the vector boson fusion and ZH production modes. By combining all channels, and assuming standard model Higgs boson cross sections and acceptances, the observed (expected) upper limit on the invisible branching fraction at m(H) = 125GeV is found to be 0.58 (0.44) at 95% confidence level. We interpret this limit in terms of a Higgs-portal model of dark matter interactions.
T2  - European Physical Journal C. Particles and Fields
T1  - Search for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes
VL  - 74
IS  - 8
DO  - 10.1140/epjc/s10052-014-2980-6
ER  - 
@article{
author = "Chatrchyan, S. and Adžić, Petar and Đorđević, Miloš and Ekmedzic, M. and Milošević, Jovan and Milenović, Predrag and Rekovic, V.",
year = "2014",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/69",
abstract = "A search for invisible decays of Higgs bosons is performed using the vector boson fusion and associated ZH production modes. In the ZH mode, the Z boson is required to decay to a pair of charged leptons or a bb quark pair. The searches use the 8TeV pp collision dataset collected by the CMS detector at the LHC, corresponding to an integrated luminosity of up to 19.7 fb(-1). Certain channels include data from 7TeV collisions corresponding to an integrated luminosity of 4.9 fb(-1).The searches are sensitive to non-standardmodel invisible decays of the recently observed Higgs boson, as well as additional Higgs bosons with similar production modes and large invisible branching fractions. In all channels, the observed data are consistent with the expected standard model backgrounds. Limits are set on the production cross section times invisible branching fraction, as a function of the Higgs boson mass, for the vector boson fusion and ZH production modes. By combining all channels, and assuming standard model Higgs boson cross sections and acceptances, the observed (expected) upper limit on the invisible branching fraction at m(H) = 125GeV is found to be 0.58 (0.44) at 95% confidence level. We interpret this limit in terms of a Higgs-portal model of dark matter interactions.",
journal = "European Physical Journal C. Particles and Fields",
title = "Search for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes",
volume = "74",
number = "8",
doi = "10.1140/epjc/s10052-014-2980-6"
}
Chatrchyan, S., Adžić, P., Đorđević, M., Ekmedzic, M., Milošević, J., Milenović, P.,& Rekovic, V. (2014). Search for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes.
European Physical Journal C. Particles and Fields, 74(8).
https://doi.org/10.1140/epjc/s10052-014-2980-6
Chatrchyan S, Adžić P, Đorđević M, Ekmedzic M, Milošević J, Milenović P, Rekovic V. Search for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes. European Physical Journal C. Particles and Fields. 2014;74(8)
Chatrchyan S., Adžić Petar, Đorđević Miloš, Ekmedzic M., Milošević Jovan, Milenović Predrag, Rekovic V., "Search for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes" European Physical Journal C. Particles and Fields, 74, no. 8 (2014),
https://doi.org/10.1140/epjc/s10052-014-2980-6 .
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