$\mathrm{\cal T}$ -violation and $\mathrm{\cal CPT}$ -invariance measurements in the CPLEAR experiment: a detailed description of the analysis of neutral-kaon decays to $\mathrme \pi \nu$

A. Angelopoulos et al.,E. Aslanides,G. Backenstoss,P. Bargassa,O. Behnke,A. Benelli,V. Bertin,F. Blanc, P. Bloch, P. Carlson,M. Carroll,E. Cawley,M. B. Chertok,M. Danielsson, M. Dejardin,J. Derre,A. Ealet,C. Eleftheriadis,W. Fetscher,M. Fidecaro, A. Filipcic,D. Francis,J. Fry, E. Gabathuler,R. Gamet,H.-J. Gerber,A. Haselden,P. J. Hayman,F. Henry-Couannier,R. W. Hollander,K. Jon-And,P.-R. Kettle, P. Kokkas,R. Kreuger,F. Leimgruber, I. Mandic,N. Manthos,G. Marel,J. Miller,F. Montanet,A. Muller,T. Nakada,B. Pagels,I. Papadopoulos,P. Pavlopoulos,G. Polivka,R. Rickenbach,B. L. Roberts,T. Ruf,L. Sakeliou,L. A. Schaller,T. Schietinger,A. Schopper, L. Tauscher,C. Thibault, F. Touchard,C. Touramanis,C. W. E. Van Eijk,S. Vlachos,P. Weber,O. Wigger,M. Wolter, D. Zavrtanik,D. Zimmerman

msra（2001）

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摘要

. A detailed description of the analysis of neutral kaons decaying to is given, based on the complete set of data collected with the CPLEAR experiment. Using a novel approach involving initially strangeness-tagged and , time-dependent decay-rate asymmetries were measured. These asymmetries enabled - and -violation parameters to be measured in the context of a systematic study. The highlights of this study are the first direct observation of violation and the direct determination of the parameter with an accuracy improved by two orders of magnitude with respect to the current value.

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-violation and -invariance measurements in the CPLEAR experiment: a detailed description of the analysis of neutral-kaon decays to

$\mathrm{\cal T}$ -violation and $\mathrm{\cal CPT}$ -invariance measurements in the CPLEAR experiment: a detailed description of the analysis of neutral-kaon decays to $\mathrme \pi \nu$