Delta t-dependent equal-sign dilepton asymmetry and CPTV effects the symmetry of the B-0-(B)over-bar(0) entangled state
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Delta t-dependent equal-sign dilepton asymmetry and CPTV effects the symmetry of the B-0-(B)over-bar(0) entangled state

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Delta t-dependent equal-sign dilepton asymmetry and CPTV effects the symmetry of the B-0-(B)over-bar(0) entangled state

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Álvarez, Ezequiel; Bernabeu, J. (José) Perfil; Nebot Gómez, Miguel
Aquest document és un/a article, creat/da en: 2006
In this paper we discuss experimental consequences of a novel kind of CPT violation which would manifest itself in the symmetry of the entangled initial state of B-0 and (B) over bar (0) through their loss of indistinguishability. The 'wrong' symmetry component is proportional to omega. We focus our theoretical study on the Delta t-dependence of observables concerning equal-sign dilepton events for which the intensity vanishes at Delta t = 0 in absence of omega. We find that the charge asymmetry, A(sl), acquires a Delta t-dependence linear in !, whose relative importance appears on specific regions of time still unexplored. We also do a statistical analysis for the measurements here proposed and find a high sensitivity to this new CPT-violating effect in this charge asymmetry. We obtain the first limits on the omega-effect by re-analyzing existing data on the Asl asymmetry.

    Álvarez, Ezequiel Bernabeu, J. (José) Nebot Gómez, Miguel 2006 Delta t-dependent equal-sign dilepton asymmetry and CPTV effects the symmetry of the B-0-(B)over-bar(0) entangled state Journal of High Energy Physics 2006 11 087
http://dx.doi.org/10.1088/1126-6708/2006/11/087
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