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@INPROCEEDINGS{Filatov:471843,
      author       = {Filatov, Oleg},
      title        = {{A}nalysis of the {CP} structure of the {H}iggs boson in
                      tau tau decays at {CMS}},
      reportid     = {PUBDB-2021-04687},
      year         = {2021},
      abstract     = {The standard model (SM) predicts the Higgs boson to be even
                      under charge-parity (CP) inversion. That makes any
                      experimentally observed deviations from this hypothesis an
                      intriguing hint towards new physics.In this talk we present
                      the first measurement of the CP properties of the Higgs
                      boson in its coupling to leptons. In particular, the decay
                      into a pair of tau leptons preserves CP information via spin
                      correlations of tau decay products. To extract this
                      information, dedicated analysis techniques have been
                      developed and used to analyse data collected by the CMS
                      experiment during Run 2. Altogether, this allowed to measure
                      the mixing angle between CP-even and CP-odd hypotheses with
                      a precision sufficient to reject the pure CP-odd scenario.},
      month         = {Oct},
      date          = {2021-10-18},
      organization  = {Higgs 2021 Conference, Stony Brook, NY
                       (ONLINE) (Virtual World), 18 Oct 2021 -
                       22 Oct 2021},
      cin          = {CMS},
      cid          = {I:(DE-H253)CMS-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611)},
      pid          = {G:(DE-HGF)POF4-611},
      experiment   = {EXP:(DE-H253)LHC-Exp-CMS-20150101},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://bib-pubdb1.desy.de/record/471843},
}