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Search for invisible Higgs boson decays in vector boson fusion at √s=13TeV with the ATLAS detector

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Search for invisible Higgs boson decays in vector boson fusion at √s=13TeV with the ATLAS detector. / Collaboration, ATLAS; Barton, A.E.; Bertram, I.A.; Borissov, G.; Bouhova-Thacker, E.V.; Fox, H.; Henderson, R.C.W.; Jones, R.W.L.; Kartvelishvili, V.; Long, R.E.; Love, P.A.; Muenstermann, D.; Parker, A.J.; Skinner, M.B.; Smizanska, M.; Tee, A.S.; Walder, J.; Wharton, A.M.; Whitmore, B.W.

In: Physics Letters B, Vol. 793, 10.06.2019, p. 499-519.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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@article{2f4ccf973fad4cb6b6c84cd312392dfd,
title = "Search for invisible Higgs boson decays in vector boson fusion at √s=13TeV with the ATLAS detector",
abstract = "We report a search for Higgs bosons that are produced via vector boson fusion and subsequently decay into invisible particles. The experimental signature is an energetic jet pair with invariant mass of O(1)TeV and O(100)GeV missing transverse momentum. The analysis uses 36.1 fb −1 of pp collision data at s=13TeV recorded by the ATLAS detector at the LHC. In the signal region the 2252 observed events are consistent with the background estimation. Assuming a 125GeV scalar particle with Standard Model cross sections, the upper limit on the branching fraction of the Higgs boson decay into invisible particles is 0.37 at 95% confidence level where 0.28 was expected. This limit is interpreted in Higgs portal models to set bounds on the WIMP–nucleon scattering cross section. We also consider invisible decays of additional scalar bosons with masses up to 3TeV for which the upper limits on the cross section times branching fraction are in the range of 0.3–1.7pb.",
author = "ATLAS Collaboration and A.E. Barton and I.A. Bertram and G. Borissov and E.V. Bouhova-Thacker and H. Fox and R.C.W. Henderson and R.W.L. Jones and V. Kartvelishvili and R.E. Long and P.A. Love and D. Muenstermann and A.J. Parker and M.B. Skinner and M. Smizanska and A.S. Tee and J. Walder and A.M. Wharton and B.W. Whitmore",
year = "2019",
month = jun,
day = "10",
doi = "10.1016/j.physletb.2019.04.024",
language = "English",
volume = "793",
pages = "499--519",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",

}

RIS

TY - JOUR

T1 - Search for invisible Higgs boson decays in vector boson fusion at √s=13TeV with the ATLAS detector

AU - Collaboration, ATLAS

AU - Barton, A.E.

AU - Bertram, I.A.

AU - Borissov, G.

AU - Bouhova-Thacker, E.V.

AU - Fox, H.

AU - Henderson, R.C.W.

AU - Jones, R.W.L.

AU - Kartvelishvili, V.

AU - Long, R.E.

AU - Love, P.A.

AU - Muenstermann, D.

AU - Parker, A.J.

AU - Skinner, M.B.

AU - Smizanska, M.

AU - Tee, A.S.

AU - Walder, J.

AU - Wharton, A.M.

AU - Whitmore, B.W.

PY - 2019/6/10

Y1 - 2019/6/10

N2 - We report a search for Higgs bosons that are produced via vector boson fusion and subsequently decay into invisible particles. The experimental signature is an energetic jet pair with invariant mass of O(1)TeV and O(100)GeV missing transverse momentum. The analysis uses 36.1 fb −1 of pp collision data at s=13TeV recorded by the ATLAS detector at the LHC. In the signal region the 2252 observed events are consistent with the background estimation. Assuming a 125GeV scalar particle with Standard Model cross sections, the upper limit on the branching fraction of the Higgs boson decay into invisible particles is 0.37 at 95% confidence level where 0.28 was expected. This limit is interpreted in Higgs portal models to set bounds on the WIMP–nucleon scattering cross section. We also consider invisible decays of additional scalar bosons with masses up to 3TeV for which the upper limits on the cross section times branching fraction are in the range of 0.3–1.7pb.

AB - We report a search for Higgs bosons that are produced via vector boson fusion and subsequently decay into invisible particles. The experimental signature is an energetic jet pair with invariant mass of O(1)TeV and O(100)GeV missing transverse momentum. The analysis uses 36.1 fb −1 of pp collision data at s=13TeV recorded by the ATLAS detector at the LHC. In the signal region the 2252 observed events are consistent with the background estimation. Assuming a 125GeV scalar particle with Standard Model cross sections, the upper limit on the branching fraction of the Higgs boson decay into invisible particles is 0.37 at 95% confidence level where 0.28 was expected. This limit is interpreted in Higgs portal models to set bounds on the WIMP–nucleon scattering cross section. We also consider invisible decays of additional scalar bosons with masses up to 3TeV for which the upper limits on the cross section times branching fraction are in the range of 0.3–1.7pb.

U2 - 10.1016/j.physletb.2019.04.024

DO - 10.1016/j.physletb.2019.04.024

M3 - Journal article

VL - 793

SP - 499

EP - 519

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

ER -