DOE OSTI · 3484605
Search for a Higgs boson produced in association with a charm quark and decaying to a W boson pair in proton-proton collisions at $ \sqrt{s}=13 $ TeV
Abstract
This paper presents a search for a Higgs boson produced in association with a charm quark (cH) which allows to probe the Higgs-charm Yukawa coupling strength modifier κ$_{c}$. Higgs boson decays to a pair of W bosons are considered, where one W boson decays to an electron and a neutrino, and the other W boson decays to a muon and a neutrino. The data, corresponding to an integrated luminosity of 138 fb$^{−1}$, were collected between 2016 and 2018 with the CMS detector at the LHC at a center-of-mass energy of $ \sqrt{s}=13 $ TeV. Upper limits at the 95% confidence level (CL) are set on the ratio of the measured yield to the standard model expectation for cH production. The observed (expected) upper limit is 1065 (506), corresponding to an observed (expected) constraint of |κ$_{c}$| < 211 (95). When combined with the previous search for cH in the diphoton decay channel of the Higgs boson, the limits are interpreted as observed (expected) constraints at 95% CL on the value of κ$_{c}$, |κ$_{c}$| < 47 (51).[graphic not available: see fulltext]
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Hayrapetyan, Aram [Yerevan Phys. Inst.], Makarenko, Vladimir [Yerevan Phys. Inst.] (ORCID:0000000284068605), Tumasyan, Armen [Yerevan Phys. Inst.] (ORCID:0009000006846742), Adam, Wolfgang [Vienna, OAW] (ORCID:0000000190994341), Andrejkovic, Janik Walter [Vienna, OAW], Benato, Lisa [Vienna, OAW] (ORCID:0000000151357489), Bergauer, Thomas [Vienna, OAW] (ORCID:0000000257860293), Dragicevic, Marko [Vienna, OAW] (ORCID:0000000319676783), Giordano, Cristina [Vienna, OAW], Hussain, Priya Sajid [Vienna, OAW] (ORCID:0000000248255278), Jeitler, Manfred [Vienna, OAW; TU Vienna] (ORCID:0000000251419560), Krammer, Natascha [Vienna, OAW] (ORCID:0000000205480985), Li, Ang [Vienna, OAW] (ORCID:000000024547116X), Liko, Dietrich [Vienna, OAW] (ORCID:000000023380473X), Matthewman, Mark [Vienna, OAW], Mikulec, Ivan [Vienna, OAW] (ORCID:0000000303852746), Schieck, Jochen [Vienna, OAW; TU Vienna] (ORCID:0000000210588093), Schöfbeck, Robert [Vienna, OAW; TU Vienna] (ORCID:0000000223328784), Schwarz, Dennis [Vienna, OAW] (ORCID:0000000238217331), Shooshtari, Maryam [Vienna, OAW], Sonawane, Mangesh [Vienna, OAW] (ORCID:0000000305107010), Waltenberger, Wolfgang [Vienna, OAW] (ORCID:0000000262157228), Wulz, Claudia-Elisabeth [Vienna, OAW; TU Vienna] (ORCID:0000000192265812), Janssen, Tahys [Antwerp U.] (ORCID:0000000239984081), Kwon, Hyejin [Antwerp U.] (ORCID:0009000251655018), Ocampo Henao, Daniel [Antwerp U.] (ORCID:0000000197593452), Van Laer, Thomas [Antwerp U.] (ORCID:0000000177762108), Van Mechelen, Pierre [Antwerp U.] (ORCID:0000000287319051), Bierkens, Jas [Vrije U., Brussels] (ORCID:0000000208753977), Breugelmans, Nordin [Vrije U., Brussels], D'Hondt, Jorgen [Vrije U., Brussels] (ORCID:0000000295986241), Dansana, Soumya [Vrije U., Brussels] (ORCID:0000000277527471), De Moor, Alexandre [Vrije U., Brussels] (ORCID:0000000159641935), Delcourt, Martin [Vrije U., Brussels] (ORCID:0000000182061787), Heyen, Felix [Vrije U., Brussels], Hong, Yanwen [Vrije U., Brussels] (ORCID:0000000347522458), Kashko, Pavlo [Vrije U., Brussels] (ORCID:0000000270507152), Lowette, Steven [Vrije U., Brussels] (ORCID:0000000339849987), Makarenko, Inna [Vrije U., Brussels] (ORCID:0000000285534508), Müller, Denise [Vrije U., Brussels] (ORCID:0000000217524527), Song, Juhee [Vrije U., Brussels] (ORCID:0000000327315881), Tavernier, Stefaan [Vrije U., Brussels] (ORCID:0000000267929522), Tytgat, Michael [Vrije U., Brussels; Gent U.] (ORCID:0000000239902074), Van Onsem, Gerrit Patrick [Vrije U., Brussels] (ORCID:0000000216642337), Van Putte, Senne [Vrije U., Brussels] (ORCID:0000000315593606), Vannerom, David [Vrije U., Brussels] (ORCID:0000000227475095), Bilin, Bugra [Brussels U.] (ORCID:0000000314397128), Clerbaux, Barbara [Brussels U.] (ORCID:0000000185478211), Das, Aloke Kumar [Brussels U.], De Bruyn, Isabelle [Brussels U.] (ORCID:0000000317044360), De Lentdecker, Gilles [Brussels U.] (ORCID:0000000151247693), Evard, Hugues [Brussels U.] (ORCID:0009000550391462), Favart, Laurent [Brussels U.] (ORCID:0000000316457454), Gianneios, Paraskevas [Brussels U.] (ORCID:0009000372330738), Khalilzadeh, Ali [Brussels U.], Khan, Fakhri Alam [Brussels U.] (ORCID:000900022039277X), Malara, Andrea [Brussels U.] (ORCID:0000000186459282), Shahzad, Muhammad Aamir [Brussels U.], Thomas, Laurent [Brussels U.] (ORCID:0000000227563853), Vanden Bemden, Max [Brussels U.] (ORCID:0009000077257945), Vander Velde, Catherine [Brussels U.] (ORCID:0000000333927294), Vanlaer, Pascal [Brussels U.] (ORCID:0000000279314496), Zhang, Fengwangdong [Brussels U.] (ORCID:0000000261582468), De Coen, Maarten [Gent U.] (ORCID:0000000258547442), Dobur, Didar [Gent U.] (ORCID:0000000300124866), Gokbulut, Gul [Gent U.] (ORCID:0000000201756454), Knolle, Joscha [Gent U.] (ORCID:0000000247815704), Marckx, David [Gent U.] (ORCID:0000000167522290), Skovpen, Kirill [Gent U.] (ORCID:0000000211600621), Tomaru, Adina Maria [Gent U.], Van Den Bossche, Niels [Gent U.] (ORCID:0000000329734991), van der Linden, Jan [Gent U.] (ORCID:000000027174781X), Vandenbroeck, Jules [Gent U.] (ORCID:0009000461413404), Wezenbeek, Liam [Gent U.] (ORCID:000000016952891X), Bein, Samuel [Louvain U.] (ORCID:0000000193877407), Benecke, Anna [Louvain U.] (ORCID:0000000302523609), Bethani, Agni [Louvain U.] (ORCID:0000000281507043), Bruno, Giacomo [Louvain U.] (ORCID:0000000188578197), Cappati, Alessandra [Louvain U.] (ORCID:0000000343860564), De Favereau De Jeneret, Jerome [Louvain U.] (ORCID:0000000317758574), Delaere, Christophe [Louvain U.] (ORCID:0000000187076021), Giammanco, Andrea [Louvain U.] (ORCID:0000000196408294), Guzel, Ahmet Oguz [Louvain U.] (ORCID:0000000294045933), Lemaitre, Vincent [Louvain U.], Lidrych, Jindrich [Louvain U.] (ORCID:0000000314390196), Malek, Paul [Louvain U.] (ORCID:0000000331839741), Mastrapasqua, Paola [Louvain U.] (ORCID:0000000220432367), Turkcapar, Semra [Louvain U.] (ORCID:0000000326080494), Alves, Gilvan [Rio de Janeiro, CBPF] (ORCID:0000000283691446), Barroso Ferreira Filho, Mapse [Rio de Janeiro, CBPF] (ORCID:0000000339040571), Coelho, Eduardo [Rio de Janeiro, CBPF] (ORCID:0000000161149907), Hensel, Carsten [Rio de Janeiro, CBPF] (ORCID:0000000188747624), Menezes De Oliveira, Thales [Rio de Janeiro, CBPF] (ORCID:0009000947298354), Mora Herrera, Clemencia [Rio de Janeiro, CBPF; Rio de Janeiro State U.] (ORCID:0000000339153170), Rebello Teles, Patricia [Rio de Janeiro, CBPF] (ORCID:0000000190298506), Soeiro, Mariana [Rio de Janeiro, CBPF] (ORCID:0000000247676468), Tonelli Manganote, Edmilson José [Rio de Janeiro, CBPF; U. Campinas] (ORCID:0000000324598521), Vilela Pereira, Antonio [Rio de Janeiro, CBPF; Rio de Janeiro State U.] (ORCID:0000000331774626), Aldá Júnior, Walter Luiz [Rio de Janeiro State U.] (ORCID:0000000158559817), Brandao Malbouisson, Helena [Rio de Janeiro State U.] (ORCID:000000021326318X). 2026-08-06. Search for a Higgs boson produced in association with a charm quark and decaying to a W boson pair in proton-proton collisions at $ \sqrt{s}=13 $ TeV. https://doi.org/10.1007/jhep08(2026)051
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