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Analysis of the CP structure of the Yukawa coupling between the Higgs boson and τ leptons in proton-proton collisions at √s = 13 TeV

Publication ,  Journal Article
Tumasyan, A; Adam, W; Andrejkovic, JW; Bergauer, T; Chatterjee, S; Dragicevic, M; Escalante Del Valle, A; Frühwirth, R; Jeitler, M; Krammer, N ...
Published in: Journal of High Energy Physics
June 1, 2022

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. [Figure not available: see fulltext.]

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Published In

Journal of High Energy Physics

DOI

EISSN

1029-8479

Publication Date

June 1, 2022

Volume

2022

Issue

6

Related Subject Headings

  • Nuclear & Particles Physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0105 Mathematical Physics
 

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Tumasyan, A., Adam, W., Andrejkovic, J. W., Bergauer, T., Chatterjee, S., Dragicevic, M., … Moraes, A. (2022). Analysis of the CP structure of the Yukawa coupling between the Higgs boson and τ leptons in proton-proton collisions at √s = 13 TeV. Journal of High Energy Physics, 2022(6). https://doi.org/10.1007/JHEP06(2022)012
Tumasyan, A., W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, M. Dragicevic, A. Escalante Del Valle, et al. “Analysis of the CP structure of the Yukawa coupling between the Higgs boson and τ leptons in proton-proton collisions at √s = 13 TeV.” Journal of High Energy Physics 2022, no. 6 (June 1, 2022). https://doi.org/10.1007/JHEP06(2022)012.
Tumasyan A, Adam W, Andrejkovic JW, Bergauer T, Chatterjee S, Dragicevic M, et al. Analysis of the CP structure of the Yukawa coupling between the Higgs boson and τ leptons in proton-proton collisions at √s = 13 TeV. Journal of High Energy Physics. 2022 Jun 1;2022(6).
Tumasyan, A., et al. “Analysis of the CP structure of the Yukawa coupling between the Higgs boson and τ leptons in proton-proton collisions at √s = 13 TeV.” Journal of High Energy Physics, vol. 2022, no. 6, June 2022. Scopus, doi:10.1007/JHEP06(2022)012.
Tumasyan A, Adam W, Andrejkovic JW, Bergauer T, Chatterjee S, Dragicevic M, Escalante Del Valle A, Frühwirth R, Jeitler M, Krammer N, Lechner L, Liko D, Mikulec I, Paulitsch P, Pitters FM, Schieck J, Schöfbeck R, Schwarz D, Templ S, Waltenberger W, Wulz CE, Chekhovsky V, Litomin A, Makarenko V, Darwish MR, De Wolf EA, Janssen T, Kello T, Lelek A, Rejeb Sfar H, Van Mechelen P, Van Putte S, Van Remortel N, Blekman F, Bols ES, D’Hondt J, Delcourt M, El Faham H, Lowette S, Moortgat S, Morton A, Müller D, Sahasransu AR, Tavernier S, Van Doninck W, Van Mulders P, Beghin D, Bilin B, Clerbaux B, De Lentdecker G, Favart L, Grebenyuk A, Kalsi AK, Lee K, Mahdavikhorrami M, Makarenko I, Moureaux L, Pétré L, Popov A, Postiau N, Starling E, Thomas L, Vanden Bemden M, Vander Velde C, Vanlaer P, Wezenbeek L, Cornelis T, Dobur D, Knolle J, Lambrecht L, Mestdach G, Niedziela M, Roskas C, Samalan A, Skovpen K, Tytgat M, Vermassen B, Vit M, Benecke A, Bethani A, Bruno G, Bury F, Caputo C, David P, Delaere C, Donertas IS, Giammanco A, Jaffel K, Jain S, Lemaitre V, Mondal K, Prisciandaro J, Taliercio A, Teklishyn M, Tran TT, Vischia P, Wertz S, Alves GA, Hensel C, Moraes A. Analysis of the CP structure of the Yukawa coupling between the Higgs boson and τ leptons in proton-proton collisions at √s = 13 TeV. Journal of High Energy Physics. 2022 Jun 1;2022(6).
Journal cover image

Published In

Journal of High Energy Physics

DOI

EISSN

1029-8479

Publication Date

June 1, 2022

Volume

2022

Issue

6

Related Subject Headings

  • Nuclear & Particles Physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0105 Mathematical Physics