Analysis of the CP structure of the Yukawa coupling between the Higgs boson and τ leptons in proton-proton collisions √s = 13 TeV
dc.contributor.author | Tumasyan, Armen | pt_BR |
dc.contributor.author | Silveira, Gustavo Gil da | pt_BR |
dc.contributor.author | Bernardes, César Augusto | pt_BR |
dc.contributor.author | CMS Collaboration | pt_BR |
dc.date.accessioned | 2022-10-03T04:49:16Z | pt_BR |
dc.date.issued | 2022 | pt_BR |
dc.identifier.issn | 1029-8479 | pt_BR |
dc.identifier.uri | http://hdl.handle.net/10183/249657 | pt_BR |
dc.description.abstract | The first measurement of the CP structure of the Yukawa coupling between the Higgs boson and τ leptons is presented. The measurement is based on data collected in proton-proton collisions at √ s = 13 TeV by the CMS detector at the LHC, corresponding to an integrated luminosity of 137 fb−1 . The analysis uses the angular correlation between the decay planes of τ leptons produced in Higgs boson decays. The effective mixing angle between CP-even and CP-odd τ Yukawa couplings is found to be −1 ± 19◦ , compared to an expected value of 0 ± 21◦ at the 68.3% confidence level. The data disfavour the pure CP-odd scenario at 3.0 standard deviations. The results are compatible with predictions for the standard model Higgs boson. | en |
dc.format.mimetype | application/pdf | pt_BR |
dc.language.iso | eng | pt_BR |
dc.relation.ispartof | The journal of high energy physics. Trieste. No. 6 (June 2022), 012, 67 p. | pt_BR |
dc.rights | Open Access | en |
dc.subject | Hadron-hadron scattering | en |
dc.subject | Aceleradores de partículas | pt_BR |
dc.subject | Higgs physics | en |
dc.subject | Colisões proton-proton | pt_BR |
dc.subject | Leptons | pt_BR |
dc.subject | Tau physics | en |
dc.title | Analysis of the CP structure of the Yukawa coupling between the Higgs boson and τ leptons in proton-proton collisions √s = 13 TeV | pt_BR |
dc.type | Artigo de periódico | pt_BR |
dc.identifier.nrb | 001144432 | pt_BR |
dc.type.origin | Estrangeiro | pt_BR |
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