Constraints on standard model effective field theory for a Higgs boson produced in association with W or Z bosons in the H → $$ \textrm{b}\overline{\textrm{b}} $$ decay channel in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV
V. ChekhovskyYerevan Physics InstituteA. HayrapetyanYerevan Physics InstituteВ. МакаренкоYerevan Physics InstituteA. TumasyanYerevan Physics InstituteW. AdamInstitut für HochenergiephysikJanik Walter AndrejkovicInstitut für HochenergiephysikL. BenatoInstitut für HochenergiephysikT. BergauerInstitut für HochenergiephysikS. ChatterjeeIndian Institute of Technology MadrasK. DamanakisInstitut für HochenergiephysikM. DragicevicInstitut für HochenergiephysikPriya Sajid HussainInstitut für HochenergiephysikM. JeitlerInstitut für HochenergiephysikNatascha KrammerInstitut für HochenergiephysikA. LiInstitut für HochenergiephysikD. LikoInstitut für HochenergiephysikI. MikulecInstitut für HochenergiephysikJ. SchieckInstitut für HochenergiephysikR. SchöfbeckInstitut für HochenergiephysikD. SchwarzInstitut für HochenergiephysikM. SonawaneInstitut für HochenergiephysikW. WaltenbergerInstitut für HochenergiephysikC.-E. WulzInstitut für HochenergiephysikX. JanssenUniversiteit AntwerpenH. KwonUniversiteit AntwerpenT. Van LaerUniversiteit AntwerpenP. Van MechelenUniversiteit AntwerpenNordin BreugelmansVrije Universiteit BrusselJ. D’HondtVrije Universiteit BrusselSoumya DansanaVrije Universiteit BrusselA. De MoorVrije Universiteit BrusselM. DelcourtVrije Universiteit BrusselFelix HeyenVrije Universiteit BrusselY. HongVrije Universiteit BrusselS. LowetteVrije Universiteit BrusselI. MakarenkoVrije Universiteit BrusselD. MüllerVrije Universiteit BrusselS. TavernierVrije Universiteit BrusselM. TytgatGhent UniversityG. P. Van OnsemVrije Universiteit BrusselS. Van PutteVrije Universiteit BrusselD. VanneromVrije Universiteit BrusselB. BilinUniversité Libre de BruxellesB. ClerbauxUniversité Libre de BruxellesA. K. DasUniversity of Notre DameI. De BruynUniversité Libre de BruxellesG. De LentdeckerUniversité Libre de BruxellesHugues EvardUniversité Libre de BruxellesL. FavartUniversité Libre de BruxellesP. GianneiosUniversité Libre de BruxellesAli KhalilzadehUniversité Libre de BruxellesFakhri Alam KhanUniversité Libre de BruxellesA. MalaraUniversité Libre de BruxellesM. A. ShahzadUniversité Libre de BruxellesL. ThomasUniversité Libre de BruxellesM. Vanden BemdenUniversité Libre de BruxellesC. Vander VeldeUniversité Libre de BruxellesP. VanlaerUniversité Libre de BruxellesM. De CoenGhent UniversityD. DoburGhent UniversityG. GökbulutGhent UniversityJ. KnolleGhent UniversityLuka LambrechtGhent UniversityDavid MarckxGhent UniversityK. SkovpenGhent UniversityN. Van Den BosscheGhent UniversityJan van der LindenGhent UniversityJ. VandenbroeckGhent UniversityLiam WezenbeekGhent UniversitySamuel BeinUniversité Catholique de LouvainA. BeneckeUniversité Catholique de LouvainA. BethaniUniversité Catholique de LouvainG. BrunoUniversité Catholique de LouvainC. CaputoUniversité Catholique de LouvainJ. De Favereau De JeneretUniversité Catholique de LouvainC. DelaereUniversité Catholique de LouvainI. S. DonertasUniversité Catholique de LouvainA. GiammancoUniversité Catholique de LouvainAhmet Oguz GuzelUniversité Catholique de LouvainSa. JainUniversité Catholique de LouvainV. LemaitreUniversité Catholique de LouvainPaola MastrapasquaUniversité Catholique de LouvainT. T. TranUniversité Catholique de LouvainS. TurkcaparUniversité Catholique de LouvainG. A. AlvesCentro Brasileiro de Pesquisas FisicasE. CoelhoCentro Brasileiro de Pesquisas FisicasG. Correia SilvaCentro Brasileiro de Pesquisas FisicasC. HenselCentro Brasileiro de Pesquisas FisicasT. Menezes De OliveiraCentro Brasileiro de Pesquisas FisicasC. Mora HerreraCentro Brasileiro de Pesquisas FisicasP. Rebello TelesCentro Brasileiro de Pesquisas FisicasM. SoeiroCentro Brasileiro de Pesquisas FisicasE. J. Tonelli ManganoteCentro Brasileiro de Pesquisas FisicasA. Vilela PereiraCentro Brasileiro de Pesquisas FisicasW. L. Aldá JúniorUniversidade do Estado do Rio de JaneiroM. Barroso Ferreira FilhoUniversidade do Estado do Rio de JaneiroH. Brandao MalbouissonUniversidade do Estado do Rio de JaneiroW. CarvalhoUniversidade do Estado do Rio de JaneiroJ. ChinellatoUniversidade Estadual de Campinas
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Abstract
A bstract A standard model effective field theory (SMEFT) analysis with dimension-six operators probing nonresonant new physics effects is performed in the Higgs-strahlung process, where the Higgs boson is produced in association with a W or Z boson, in proton-proton collisions at a center-of-mass energy of 13 TeV. The final states in which the W or Z boson decays leptonically and the Higgs boson decays to a pair of bottom quarks are considered. The analyzed data were collected by the CMS experiment between 2016 and 2018 and correspond to an integrated luminosity of 138 fb − 1 . An approach designed to simultaneously optimize the sensitivity to Wilson coefficients of multiple SMEFT operators is employed. Likelihood scans as functions of the Wilson coefficients that carry SMEFT sensitivity in this final state are performed for different expansions in SMEFT. The results are consistent with the predictions of the standard model.
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