Search for the Higgs boson decays to a ρ0, ϕ, or K⁎0 meson and a photon in proton-proton collisions at s=13TeV

The CMS collaboration

doi:10.1016/j.physletb.2025.139296

Search for the Higgs boson decays to a ρ⁰, ϕ, or K^⁎0 meson and a photon in proton-proton collisions at s=13TeV

The CMS collaboration

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

2 Citations (Scopus)

Abstract

Three rare decay processes of the Higgs boson to a rho(770)(0), phi(1020), or K-* (892)(0) meson and a photon are searched for using root s = 13 TeV proton-proton collision data collected by the CMS experiment at the LHC. Events are selected assuming the mesons decay into a pair of charged pions, a pair of charged kaons, or a charged kaon and pion, respectively. Depending on the Higgs boson production mode, different triggering and reconstruction techniques are adopted. The analyzed data sets correspond to integrated luminosities up to 138 fb(-1), depending on the reconstructed final state. After combining various data sets and categories, no significant excess above the background expectations is observed. Upper limits at 95% confidence level on the Higgs boson branching fractions into rho(770)(0)gamma, phi(1020)gamma, and K-*(892)(0)gamma are determined to be 3.7 x 10(-4), 3.0 x 10(-4), and 3.0 x 10(-4), respectively. In case of the rho(770)(0)gamma and phi(1020)gamma channels, these are the most stringent experimental limits to date.

Original language	English
Article number	139296
Number of pages	28
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	862
DOIs	https://doi.org/10.1016/j.physletb.2025.139296
Publication status	Published - Mar 2025
Externally published	Yes

Keywords

Cms
Higgs
Rare decays

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10.1016/j.physletb.2025.139296

Cite this

@article{a64302f78ecb4de1b3bfe496dd7e55ce,

title = "Search for the Higgs boson decays to a ρ0, ϕ, or K⁎0 meson and a photon in proton-proton collisions at s=13TeV",

abstract = "Three rare decay processes of the Higgs boson to a rho(770)(0), phi(1020), or K-* (892)(0) meson and a photon are searched for using root s = 13 TeV proton-proton collision data collected by the CMS experiment at the LHC. Events are selected assuming the mesons decay into a pair of charged pions, a pair of charged kaons, or a charged kaon and pion, respectively. Depending on the Higgs boson production mode, different triggering and reconstruction techniques are adopted. The analyzed data sets correspond to integrated luminosities up to 138 fb(-1), depending on the reconstructed final state. After combining various data sets and categories, no significant excess above the background expectations is observed. Upper limits at 95\% confidence level on the Higgs boson branching fractions into rho(770)(0)gamma, phi(1020)gamma, and K-*(892)(0)gamma are determined to be 3.7 x 10(-4), 3.0 x 10(-4), and 3.0 x 10(-4), respectively. In case of the rho(770)(0)gamma and phi(1020)gamma channels, these are the most stringent experimental limits to date.",

keywords = "Cms, Higgs, Rare decays",

author = "\{The CMS collaboration\} and A. Hayrapetyan and A. Tumasyan and W. Adam and Andrejkovic, \{J. W.\} and T. Bergauer and S. Chatterjee and K. Damanakis and M. Dragicevic and Hussain, \{P. S.\} and M. Jeitler and N. Krammer and A. Li and D. Liko and I. Mikulec and J. Schieck and R. Sch{\"o}fbeck and D. Schwarz and M. Sonawane and W. Waltenberger and Wulz, \{C. E.\} and T. Janssen and \{Van Laer\}, T. and \{Van Mechelen\}, P. and N. Breugelmans and J. D'Hondt and S. Dansana and \{De Moor\}, A. and M. Delcourt and F. Heyen and S. Lowette and I. Makarenko and D. M{\"u}ller and S. Tavernier and M. Tytgat and \{Van Onsem\}, \{G. P.\} and \{Van Putte\}, S. and D. Vannerom and B. Bilin and B. Clerbaux and Das, \{A. K.\} and \{De Lentdecker\}, G. and H. Evard and L. Favart and P. Gianneios and J. Jaramillo and A. Khalilzadeh and Khan, \{F. A.\} and K. Lee and M. Mahdavikhorrami and A. Malara",

note = "Publisher Copyright: {\textcopyright} 2025 CERN for the benefit of the CMS Collaboration",

year = "2025",

month = mar,

doi = "10.1016/j.physletb.2025.139296",

language = "English",

volume = "862",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - Search for the Higgs boson decays to a ρ0, ϕ, or K⁎0 meson and a photon in proton-proton collisions at s=13TeV

AU - The CMS collaboration

AU - Hayrapetyan, A.

AU - Tumasyan, A.

AU - Adam, W.

AU - Andrejkovic, J. W.

AU - Bergauer, T.

AU - Chatterjee, S.

AU - Damanakis, K.

AU - Dragicevic, M.

AU - Hussain, P. S.

AU - Jeitler, M.

AU - Krammer, N.

AU - Li, A.

AU - Liko, D.

AU - Mikulec, I.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Schwarz, D.

AU - Sonawane, M.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Janssen, T.

AU - Van Laer, T.

AU - Van Mechelen, P.

AU - Breugelmans, N.

AU - D'Hondt, J.

AU - Dansana, S.

AU - De Moor, A.

AU - Delcourt, M.

AU - Heyen, F.

AU - Lowette, S.

AU - Makarenko, I.

AU - Müller, D.

AU - Tavernier, S.

AU - Tytgat, M.

AU - Van Onsem, G. P.

AU - Van Putte, S.

AU - Vannerom, D.

AU - Bilin, B.

AU - Clerbaux, B.

AU - Das, A. K.

AU - De Lentdecker, G.

AU - Evard, H.

AU - Favart, L.

AU - Gianneios, P.

AU - Jaramillo, J.

AU - Khalilzadeh, A.

AU - Khan, F. A.

AU - Lee, K.

AU - Mahdavikhorrami, M.

AU - Malara, A.

PY - 2025/3

Y1 - 2025/3

N2 - Three rare decay processes of the Higgs boson to a rho(770)(0), phi(1020), or K-* (892)(0) meson and a photon are searched for using root s = 13 TeV proton-proton collision data collected by the CMS experiment at the LHC. Events are selected assuming the mesons decay into a pair of charged pions, a pair of charged kaons, or a charged kaon and pion, respectively. Depending on the Higgs boson production mode, different triggering and reconstruction techniques are adopted. The analyzed data sets correspond to integrated luminosities up to 138 fb(-1), depending on the reconstructed final state. After combining various data sets and categories, no significant excess above the background expectations is observed. Upper limits at 95% confidence level on the Higgs boson branching fractions into rho(770)(0)gamma, phi(1020)gamma, and K-*(892)(0)gamma are determined to be 3.7 x 10(-4), 3.0 x 10(-4), and 3.0 x 10(-4), respectively. In case of the rho(770)(0)gamma and phi(1020)gamma channels, these are the most stringent experimental limits to date.

AB - Three rare decay processes of the Higgs boson to a rho(770)(0), phi(1020), or K-* (892)(0) meson and a photon are searched for using root s = 13 TeV proton-proton collision data collected by the CMS experiment at the LHC. Events are selected assuming the mesons decay into a pair of charged pions, a pair of charged kaons, or a charged kaon and pion, respectively. Depending on the Higgs boson production mode, different triggering and reconstruction techniques are adopted. The analyzed data sets correspond to integrated luminosities up to 138 fb(-1), depending on the reconstructed final state. After combining various data sets and categories, no significant excess above the background expectations is observed. Upper limits at 95% confidence level on the Higgs boson branching fractions into rho(770)(0)gamma, phi(1020)gamma, and K-*(892)(0)gamma are determined to be 3.7 x 10(-4), 3.0 x 10(-4), and 3.0 x 10(-4), respectively. In case of the rho(770)(0)gamma and phi(1020)gamma channels, these are the most stringent experimental limits to date.

KW - Cms

KW - Higgs

KW - Rare decays

UR - https://www.scopus.com/pages/publications/85217120609

U2 - 10.1016/j.physletb.2025.139296

DO - 10.1016/j.physletb.2025.139296

M3 - Article

AN - SCOPUS:85217120609

SN - 0370-2693

VL - 862

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

M1 - 139296

ER -

Search for the Higgs boson decays to a ρ⁰, ϕ, or K^⁎0 meson and a photon in proton-proton collisions at s=13TeV

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Keywords

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