Home > Research > Publications & Outputs > Search for Higgs Boson Decays into a Z Boson an...

Links

Text available via DOI:

View graph of relations

Search for Higgs Boson Decays into a Z Boson and a Light Hadronically Decaying Resonance Using 13 TeV pp Collision Data from the ATLAS Detector: Physical review letters

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published

Standard

Search for Higgs Boson Decays into a Z Boson and a Light Hadronically Decaying Resonance Using 13 TeV pp Collision Data from the ATLAS Detector : Physical review letters. / Collaboration, ATLAS; Barton, A.E.; Bertram, I.A. et al.

In: Phys Rev Lett, Vol. 125, No. 22, 221802, 25.11.2020.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

APA

Vancouver

Author

Bibtex

@article{5e5017a35ff5430ea45a2e13ae553fd3,
title = "Search for Higgs Boson Decays into a Z Boson and a Light Hadronically Decaying Resonance Using 13 TeV pp Collision Data from the ATLAS Detector: Physical review letters",
abstract = "A search for Higgs boson decays into a Z boson and a light resonance in two-lepton plus jet events is performed, using a pp collision dataset with an integrated luminosity of 139  fb-1 collected at √s=13  TeV by the ATLAS experiment at the CERN LHC. The resonance considered is a light boson with a mass below 4 GeV from a possible extended scalar sector or a charmonium state. Multivariate discriminants are used for the event selection and for evaluating the mass of the light resonance. No excess of events above the expected background is found. Observed (expected) 95% confidence-level upper limits are set on the Higgs boson production cross section times branching fraction to a Z boson and the signal resonance, with values in the range 17-340 pb (16+6−5–320+130−90  pb) for the different light spin-0 boson mass and branching fraction hypotheses, and with values of 110 and 100 pb  (100+40−30 and 100+40−30  pb) for the ηc and J/ψ hypotheses, respectively.",
keywords = "article, boson, lepton, luminance",
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 Izaac Sanderswood and M. Smizanska and A.S. Tee and J. Walder and A.M. Wharton and B.W. Whitmore and Melissa Yexley",
year = "2020",
month = nov,
day = "25",
doi = "10.1103/PhysRevLett.125.221802",
language = "English",
volume = "125",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",
number = "22",

}

RIS

TY - JOUR

T1 - Search for Higgs Boson Decays into a Z Boson and a Light Hadronically Decaying Resonance Using 13 TeV pp Collision Data from the ATLAS Detector

T2 - Physical review letters

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 - Sanderswood, Izaac

AU - Smizanska, M.

AU - Tee, A.S.

AU - Walder, J.

AU - Wharton, A.M.

AU - Whitmore, B.W.

AU - Yexley, Melissa

PY - 2020/11/25

Y1 - 2020/11/25

N2 - A search for Higgs boson decays into a Z boson and a light resonance in two-lepton plus jet events is performed, using a pp collision dataset with an integrated luminosity of 139  fb-1 collected at √s=13  TeV by the ATLAS experiment at the CERN LHC. The resonance considered is a light boson with a mass below 4 GeV from a possible extended scalar sector or a charmonium state. Multivariate discriminants are used for the event selection and for evaluating the mass of the light resonance. No excess of events above the expected background is found. Observed (expected) 95% confidence-level upper limits are set on the Higgs boson production cross section times branching fraction to a Z boson and the signal resonance, with values in the range 17-340 pb (16+6−5–320+130−90  pb) for the different light spin-0 boson mass and branching fraction hypotheses, and with values of 110 and 100 pb  (100+40−30 and 100+40−30  pb) for the ηc and J/ψ hypotheses, respectively.

AB - A search for Higgs boson decays into a Z boson and a light resonance in two-lepton plus jet events is performed, using a pp collision dataset with an integrated luminosity of 139  fb-1 collected at √s=13  TeV by the ATLAS experiment at the CERN LHC. The resonance considered is a light boson with a mass below 4 GeV from a possible extended scalar sector or a charmonium state. Multivariate discriminants are used for the event selection and for evaluating the mass of the light resonance. No excess of events above the expected background is found. Observed (expected) 95% confidence-level upper limits are set on the Higgs boson production cross section times branching fraction to a Z boson and the signal resonance, with values in the range 17-340 pb (16+6−5–320+130−90  pb) for the different light spin-0 boson mass and branching fraction hypotheses, and with values of 110 and 100 pb  (100+40−30 and 100+40−30  pb) for the ηc and J/ψ hypotheses, respectively.

KW - article

KW - boson

KW - lepton

KW - luminance

U2 - 10.1103/PhysRevLett.125.221802

DO - 10.1103/PhysRevLett.125.221802

M3 - Journal article

VL - 125

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

IS - 22

M1 - 221802

ER -