Measurement of the KL Charge Asymmetry

A. Alavi-Harati et al. (KTeV Collaboration)
Phys. Rev. Lett. 88, 181601 – Published 22 April 2002
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Abstract

We present a measurement of the charge asymmetry δL in the mode KLπ±eν based on 298×106 analyzed decays. We measure a value of δL=[3322±58(stat)±47(syst)]×106, in good agreement with previous measurements and 2.4 times more precise than the current best published result. The result is used to place more stringent limits on CPT and ΔS=ΔQ violation in the neutral kaon system.

  • Received 31 December 2001

DOI:https://doi.org/10.1103/PhysRevLett.88.181601

©2002 American Physical Society

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Vol. 88, Iss. 18 — 6 May 2002

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