Search for a cH signal in the associated production of at least one charm quark with a Higgs boson in the diphoton decay channel in pp collisions at TeV

The CMS collaboration

doi:10.1007/JHEP11(2025)060

Search for a cH signal in the associated production of at least one charm quark with a Higgs boson in the diphoton decay channel in pp collisions at TeV

The CMS collaboration

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Resumen

This paper presents the first search for a cH signal sensitive to the coupling of the charm quark (c) to the Higgs boson (H) in the associated production of at least one charm quark with a Higgs boson decaying to two photons. The results are based on a data set of proton-proton collisions at a center-of-mass energy of 13 TeV collected with the CMS experiment at the LHC, corresponding to an integrated luminosity of 138 fb⁻¹. Assuming the standard model (SM) rates for all other Higgs boson production processes, the observed (expected) upper limit at 95% confidence level on the cH signal strength is 243 (355) times the SM prediction. Under the same assumption, the observed (expected) allowed interval on the Higgs boson to charm quark coupling modifier, κ_c, is |κ_c| < 38.1 (|κ_c| < 72.5) at 95% confidence level.

Idioma original	Inglés
Número de artículo	60
Publicación	Journal of High Energy Physics
Volumen	2025
N.º	11
DOI	https://doi.org/10.1007/JHEP11(2025)060
Estado	Publicada - nov. 2025

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@article{e77ef18dbd14426a9ff41a326f1e5d34,

title = "Search for a cH signal in the associated production of at least one charm quark with a Higgs boson in the diphoton decay channel in pp collisions at TeV",

abstract = "This paper presents the first search for a cH signal sensitive to the coupling of the charm quark (c) to the Higgs boson (H) in the associated production of at least one charm quark with a Higgs boson decaying to two photons. The results are based on a data set of proton-proton collisions at a center-of-mass energy of 13 TeV collected with the CMS experiment at the LHC, corresponding to an integrated luminosity of 138 fb−1. Assuming the standard model (SM) rates for all other Higgs boson production processes, the observed (expected) upper limit at 95\% confidence level on the cH signal strength is 243 (355) times the SM prediction. Under the same assumption, the observed (expected) allowed interval on the Higgs boson to charm quark coupling modifier, κc, is |κc| < 38.1 (|κc| < 72.5) at 95\% confidence level.",

keywords = "Charm Physics, Hadron-Hadron Scattering, Higgs Physics",

author = "\{The CMS collaboration\} and V. Chekhovsky and A. Hayrapetyan and V. Makarenko and A. Tumasyan and W. Adam and Andrejkovic, \{J. W.\} and L. Benato 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 H. Kwon and \{Van Laer\}, T. and \{Van Mechelen\}, P. and N. Breugelmans and J. D{\textquoteright}Hondt and S. Dansana and \{De Moor\}, A. and M. Delcourt and F. Heyen and Y. Hong 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 Bruyn\}, I. and \{De Lentdecker\}, G. and H. Evard and L. Favart and \{Carrera Jarrin\}, E.",

note = "Publisher Copyright: {\textcopyright} The Author(s) 2025.",

year = "2025",

month = nov,

doi = "10.1007/JHEP11(2025)060",

language = "Ingl{\'e}s",

volume = "2025",

journal = "Journal of High Energy Physics",

issn = "1126-6708",

publisher = "Springer Verlag",

number = "11",

}

TY - JOUR

T1 - Search for a cH signal in the associated production of at least one charm quark with a Higgs boson in the diphoton decay channel in pp collisions at TeV

AU - The CMS collaboration

AU - Chekhovsky, V.

AU - Hayrapetyan, A.

AU - Makarenko, V.

AU - Tumasyan, A.

AU - Adam, W.

AU - Andrejkovic, J. W.

AU - Benato, L.

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 - Kwon, H.

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 - Hong, Y.

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 Bruyn, I.

AU - De Lentdecker, G.

AU - Evard, H.

AU - Favart, L.

AU - Carrera Jarrin, E.

PY - 2025/11

Y1 - 2025/11

N2 - This paper presents the first search for a cH signal sensitive to the coupling of the charm quark (c) to the Higgs boson (H) in the associated production of at least one charm quark with a Higgs boson decaying to two photons. The results are based on a data set of proton-proton collisions at a center-of-mass energy of 13 TeV collected with the CMS experiment at the LHC, corresponding to an integrated luminosity of 138 fb−1. Assuming the standard model (SM) rates for all other Higgs boson production processes, the observed (expected) upper limit at 95% confidence level on the cH signal strength is 243 (355) times the SM prediction. Under the same assumption, the observed (expected) allowed interval on the Higgs boson to charm quark coupling modifier, κc, is |κc| < 38.1 (|κc| < 72.5) at 95% confidence level.

AB - This paper presents the first search for a cH signal sensitive to the coupling of the charm quark (c) to the Higgs boson (H) in the associated production of at least one charm quark with a Higgs boson decaying to two photons. The results are based on a data set of proton-proton collisions at a center-of-mass energy of 13 TeV collected with the CMS experiment at the LHC, corresponding to an integrated luminosity of 138 fb−1. Assuming the standard model (SM) rates for all other Higgs boson production processes, the observed (expected) upper limit at 95% confidence level on the cH signal strength is 243 (355) times the SM prediction. Under the same assumption, the observed (expected) allowed interval on the Higgs boson to charm quark coupling modifier, κc, is |κc| < 38.1 (|κc| < 72.5) at 95% confidence level.

KW - Charm Physics

KW - Hadron-Hadron Scattering

KW - Higgs Physics

UR - https://www.scopus.com/pages/publications/105026351828

U2 - 10.1007/JHEP11(2025)060

DO - 10.1007/JHEP11(2025)060

M3 - Artículo

AN - SCOPUS:105026351828

SN - 1126-6708

VL - 2025

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 11

M1 - 60

ER -

Search for a cH signal in the associated production of at least one charm quark with a Higgs boson in the diphoton decay channel in pp collisions at TeV

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