Testing CPT invariance by using C-even neutral-meson-antimeson correlated states | Zendy

Guru Vachan Dass | Zendy; Walter Grimus | Zendy; L. Lavoura | Zendy

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Testing CPT invariance by using C-even neutral-meson-antimeson correlated states

Author(s) -

Guru Vachan Dass,

Walter Grimus,

L. Lavoura

Publication year - 2001

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2001/02/044

Subject(s) - physics , meson , particle physics , parity (physics) , antisymmetric relation , asymmetry , sign (mathematics) , mixing (physics) , d meson , state (computer science) , cpt symmetry , nuclear physics , quantum mechanics , mathematical physics , computer science , mathematical analysis , lorentz covariance , lorentz transformation , mathematics , algorithm

We consider the decays of a correlated neutral-meson--antimeson state withC-parity +1. We show that there is CPT noninvariance in the mixing of theneutral mesons if, for any two decay modes f and g, the decay rate has acomponent R_A which is antisymmetric under the interchange of the decay timest_1 and t_2. In particular, one may cleanly extract the CPT-noninvarianceparameter with the help of R_A by using opposite-sign dilepton events.Comment: 6 pages, Latex, no figure

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