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Subtleties in the BABAR measurement of time-reversal violation

Efrati, Aielet

Journal of physics. Conference series, 2015-07, Vol.631 (1), p.12016 [Periódico revisado por pares]

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Título:
Subtleties in the BABAR measurement of time-reversal violation
Autor: Efrati, Aielet
Assuntos: Asymmetry ; CP violation ; Decay ; Matter & antimatter ; Physics ; Strangeness ; Time measurement
É parte de: Journal of physics. Conference series, 2015-07, Vol.631 (1), p.12016
Descrição: A first measurement of time-reversal (T) asymmetries that are not also CP asymmetries has been recently achieved by the BABAR collaboration. In this talk, which follows the work done in Ref. [1], I discuss the subtleties of this measurement in the presence of direct CP violation, CPT violation, wrong strangeness decays and wrong sign semi-leptonic decays. In particular, I explain why, in order to identify the measured asymmetries with time-reversal violation, one needs to assume (i) the absence of wrong strangeness decays or of CPT violation in strangeness changing decays, and (ii) the absence of wrong sign decays.
Editor: Bristol: IOP Publishing
Idioma: Inglês

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