Search for decays of the Higgs boson into a pair of pseudoscalar particles decaying into Formula Presented using Formula Presented collisions at Formula Presented with the ATLAS detector

ATLAS Collaboration

doi:10.1103/PhysRevD.110.052013

Search for decays of the Higgs boson into a pair of pseudoscalar particles decaying into Formula Presented using Formula Presented collisions at Formula Presented with the ATLAS detector

ATLAS Collaboration

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

5 Citations (Scopus)

Abstract

This paper presents a search for exotic decays of the Higgs boson into a pair of new pseudoscalar particles, Formula Presented, where one pseudoscalar decays into a Formula Presented-quark pair and the other decays into a Formula Presented-lepton pair, in the mass range Formula Presented. The analysis uses Formula Presented collision data at Formula Presented collected with the ATLAS detector at the LHC, corresponding to an integrated luminosity of Formula Presented. No significant excess above the Standard Model (SM) prediction is observed. Assuming the SM Higgs boson production cross section, the search sets upper limits at 95% confidence level on the branching ratio of Higgs bosons decaying into Formula Presented, Formula Presented), between 2.2% and 3.9% depending on the pseudoscalar mass.

Original language	English
Article number	052013
Journal	Physical Review D
Volume	110
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.110.052013
Publication status	Published - 1 Sept 2024

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevD.110.052013

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title = "Search for decays of the Higgs boson into a pair of pseudoscalar particles decaying into Formula Presented using Formula Presented collisions at Formula Presented with the ATLAS detector",

abstract = "This paper presents a search for exotic decays of the Higgs boson into a pair of new pseudoscalar particles, Formula Presented, where one pseudoscalar decays into a Formula Presented-quark pair and the other decays into a Formula Presented-lepton pair, in the mass range Formula Presented. The analysis uses Formula Presented collision data at Formula Presented collected with the ATLAS detector at the LHC, corresponding to an integrated luminosity of Formula Presented. No significant excess above the Standard Model (SM) prediction is observed. Assuming the SM Higgs boson production cross section, the search sets upper limits at 95\% confidence level on the branching ratio of Higgs bosons decaying into Formula Presented, Formula Presented), between 2.2\% and 3.9\% depending on the pseudoscalar mass.",

author = "\{ATLAS Collaboration\} and Filmer, \{E. K.\} and J. Gallagher and Grant, \{C. M.\} and Green, \{M. J.\} and P. Jackson and Kong, \{A. X.Y.\} and Pandya, \{H. D.\} and Ruggeri, \{T. A.\} and S. Saha and Ting, \{E. X.L.\} and White, \{M. J.\} and Gingrich, \{D. M.\} and Lindon, \{J. H.\} and N. Nishu and Pinfold, \{J. L.\} and O. Cakir and Canbay, \{A. C.\} and Yildiz, \{H. Duran\} and S. Kuday and \{Turk Cakir\}, I. and S. Sultansoy and \{Adam Bourdarios\}, C. and O. Arnaez and N. Berger and L. Boudet and N. Brahimi and Castillo, \{F. L.\} and T. Cavaliere and F. Costanza and J. Couthures and M. Delmastro and \{Di Ciaccio\}, L. and T. Hryn{\textquoteright}ova and I. Koletsou and J. Lev{\^e}que and Lewis, \{D. J.\} and \{Lorenzo Martinez\}, N. and E. Sauvan and Z. Wu and G. Bernardi and M. Bomben and A. Li and T. Li and G. Marchiori and K. Nakkalil and S. Chekanov and Connell, \{S. H.\} and N. Govender and L. Truong and Gololo, \{M. G.D.\}",

note = "Publisher Copyright: {\textcopyright} 2024 CERN, for the ATLAS Collaboration.",

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doi = "10.1103/PhysRevD.110.052013",

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AU - ATLAS Collaboration

AU - Filmer, E. K.

AU - Gallagher, J.

AU - Grant, C. M.

AU - Green, M. J.

AU - Jackson, P.

AU - Kong, A. X.Y.

AU - Pandya, H. D.

AU - Ruggeri, T. A.

AU - Saha, S.

AU - Ting, E. X.L.

AU - White, M. J.

AU - Gingrich, D. M.

AU - Lindon, J. H.

AU - Nishu, N.

AU - Pinfold, J. L.

AU - Cakir, O.

AU - Canbay, A. C.

AU - Yildiz, H. Duran

AU - Kuday, S.

AU - Turk Cakir, I.

AU - Sultansoy, S.

AU - Adam Bourdarios, C.

AU - Arnaez, O.

AU - Berger, N.

AU - Boudet, L.

AU - Brahimi, N.

AU - Castillo, F. L.

AU - Cavaliere, T.

AU - Costanza, F.

AU - Couthures, J.

AU - Delmastro, M.

AU - Di Ciaccio, L.

AU - Hryn’ova, T.

AU - Koletsou, I.

AU - Levêque, J.

AU - Lewis, D. J.

AU - Lorenzo Martinez, N.

AU - Sauvan, E.

AU - Wu, Z.

AU - Bernardi, G.

AU - Bomben, M.

AU - Li, A.

AU - Li, T.

AU - Marchiori, G.

AU - Nakkalil, K.

AU - Chekanov, S.

AU - Connell, S. H.

AU - Govender, N.

AU - Truong, L.

AU - Gololo, M. G.D.

PY - 2024/9/1

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N2 - This paper presents a search for exotic decays of the Higgs boson into a pair of new pseudoscalar particles, Formula Presented, where one pseudoscalar decays into a Formula Presented-quark pair and the other decays into a Formula Presented-lepton pair, in the mass range Formula Presented. The analysis uses Formula Presented collision data at Formula Presented collected with the ATLAS detector at the LHC, corresponding to an integrated luminosity of Formula Presented. No significant excess above the Standard Model (SM) prediction is observed. Assuming the SM Higgs boson production cross section, the search sets upper limits at 95% confidence level on the branching ratio of Higgs bosons decaying into Formula Presented, Formula Presented), between 2.2% and 3.9% depending on the pseudoscalar mass.

AB - This paper presents a search for exotic decays of the Higgs boson into a pair of new pseudoscalar particles, Formula Presented, where one pseudoscalar decays into a Formula Presented-quark pair and the other decays into a Formula Presented-lepton pair, in the mass range Formula Presented. The analysis uses Formula Presented collision data at Formula Presented collected with the ATLAS detector at the LHC, corresponding to an integrated luminosity of Formula Presented. No significant excess above the Standard Model (SM) prediction is observed. Assuming the SM Higgs boson production cross section, the search sets upper limits at 95% confidence level on the branching ratio of Higgs bosons decaying into Formula Presented, Formula Presented), between 2.2% and 3.9% depending on the pseudoscalar mass.

UR - https://www.scopus.com/pages/publications/85208487130

U2 - 10.1103/PhysRevD.110.052013

DO - 10.1103/PhysRevD.110.052013

M3 - Article

AN - SCOPUS:85208487130

SN - 2470-0010

VL - 110

JO - Physical Review D

JF - Physical Review D

IS - 5

M1 - 052013

ER -

Search for decays of the Higgs boson into a pair of pseudoscalar particles decaying into Formula Presented using Formula Presented collisions at Formula Presented with the ATLAS detector

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