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Model-independent analysis of CP violation effects in decays of the Higgs boson into a Pair of the W and Z bosons

  • Nuclei, Particles, Fields, Gravitation, and Astrophysics
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Abstract

Effects of CP and T invariance violation are studied in the most general interaction of the Higgs boson with the intermediate vector W ± and Z bosons. Various angular distributions of the cascade decay Φ → W + W /ZZ → 4 of fermions in the transversity and helicity systems are calculated, and asymmetries are constructed and evaluated. It is shown that studying the azimuthal angle distribution of the process Φ → ZZ → (e e +)(μμ+) in the transversity system is effective for measuring the spatial parity of the Higgs boson.

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Correspondence to V. A. Koval’chuk.

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Original Russian Text © V.A. Koval’chuk, 2008, published in Zhurnal Éksperimental’noĭi Teoreticheskoĭ Fiziki, 2008, Vol. 134, No. 5, pp. 907–921.

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Koval’chuk, V.A. Model-independent analysis of CP violation effects in decays of the Higgs boson into a Pair of the W and Z bosons. J. Exp. Theor. Phys. 107, 774–786 (2008). https://doi.org/10.1134/S1063776108110071

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