Search for the Higgs boson decays H → ee and H → eμ in pp collisions at √s=13TeV with the ATLAS detector

ATLAS Collaboration; Paul Newman

doi:10.1016/j.physletb.2019.135148

Search for the Higgs boson decays H → ee and H → eμ in pp collisions at √s=13TeV with the ATLAS detector

ATLAS Collaboration
, Paul Newman

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

208 Downloads (Pure)

Abstract

Searches for the Higgs boson decays H→ee and H→eμ are performed using data corresponding to an integrated luminosity of 139fb ⁻¹ collected with the ATLAS detector in pp collisions at √s=13 TeV at the LHC. No significant signals are observed, in agreement with the Standard Model expectation. For a Higgs boson mass of 125 GeV, the observed (expected) upper limit at the 95% confidence level on the branching fraction ℬ(H→ee) is 3.6×10 ⁻⁴ (3.5×10 ⁻⁴) and on ℬ(H→eμ) is 6.2×10 ⁻⁵ (5.9×10 ⁻⁵). These results represent improvements by factors of about five and six on the previous best limits on ℬ(H→ee) and ℬ(H→eμ) respectively.

Original language	English
Article number	135148
Number of pages	19
Journal	Physics Letters B
Volume	801
Early online date	10 Dec 2019
DOIs	https://doi.org/10.1016/j.physletb.2019.135148
Publication status	Published - 10 Feb 2020

Bibliographical note

31 pages in total, author list starting page 15, 1 figure, to be submitted to Phys. Lett. B. All figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HIGG-2018-58

Keywords

hep-ex

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Aad_et_al_Search_for_the_Higgs_boson_decays_H → ee_and_H → eμ_in_pp_collisions_at_√s=13TeV_with_the_ATLAS_detector_Physics_Letters_B_2019Final published version, 1.32 MBLicence: Creative Commons: Attribution (CC BY)

https://doi.org/10.1016/j.physletb.2019.135148Licence: Creative Commons: Attribution (CC BY)

Cite this

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title = "Search for the Higgs boson decays H → ee and H → eμ in pp collisions at √s=13TeV with the ATLAS detector",

abstract = "Searches for the Higgs boson decays H→ee and H→eμ are performed using data corresponding to an integrated luminosity of 139fb −1 collected with the ATLAS detector in pp collisions at √s=13 TeV at the LHC. No significant signals are observed, in agreement with the Standard Model expectation. For a Higgs boson mass of 125 GeV, the observed (expected) upper limit at the 95\% confidence level on the branching fraction ℬ(H→ee) is 3.6×10 −4 (3.5×10 −4) and on ℬ(H→eμ) is 6.2×10 −5 (5.9×10 −5). These results represent improvements by factors of about five and six on the previous best limits on ℬ(H→ee) and ℬ(H→eμ) respectively. ",

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AU - Collaboration, ATLAS

AU - Newman, Paul

N1 - 31 pages in total, author list starting page 15, 1 figure, to be submitted to Phys. Lett. B. All figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HIGG-2018-58

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N2 - Searches for the Higgs boson decays H→ee and H→eμ are performed using data corresponding to an integrated luminosity of 139fb −1 collected with the ATLAS detector in pp collisions at √s=13 TeV at the LHC. No significant signals are observed, in agreement with the Standard Model expectation. For a Higgs boson mass of 125 GeV, the observed (expected) upper limit at the 95% confidence level on the branching fraction ℬ(H→ee) is 3.6×10 −4 (3.5×10 −4) and on ℬ(H→eμ) is 6.2×10 −5 (5.9×10 −5). These results represent improvements by factors of about five and six on the previous best limits on ℬ(H→ee) and ℬ(H→eμ) respectively.

AB - Searches for the Higgs boson decays H→ee and H→eμ are performed using data corresponding to an integrated luminosity of 139fb −1 collected with the ATLAS detector in pp collisions at √s=13 TeV at the LHC. No significant signals are observed, in agreement with the Standard Model expectation. For a Higgs boson mass of 125 GeV, the observed (expected) upper limit at the 95% confidence level on the branching fraction ℬ(H→ee) is 3.6×10 −4 (3.5×10 −4) and on ℬ(H→eμ) is 6.2×10 −5 (5.9×10 −5). These results represent improvements by factors of about five and six on the previous best limits on ℬ(H→ee) and ℬ(H→eμ) respectively.

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DO - 10.1016/j.physletb.2019.135148

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JO - Physics Letters B

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M1 - 135148

ER -

Search for the Higgs boson decays H → ee and H → eμ in pp collisions at √s=13TeV with the ATLAS detector

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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Search for the Higgs boson decays H → ee and H → eμ in pp collisions at √s=13TeV with the ATLAS detector