Evaluation Of The Phase Of The Cp Violation Parameter Eta(+-) And The K-L-K-S Mass Difference From A Correlation Analysis Of Different Experiments

R. Adler,A. Angelopoulos,A. Apostolakis,E. Aslanides,G. Backenstoss,C.P. Bee,O. Behnke,A. Benelli,V. Bertin,F. Blanc, P. Bloch,Paul Carlson,M. Carroll,J. Carvalho,E. Cawley,S. Charalambous,G. Chardin,M.B. Chertok,A. Cody,M. Danielsson, M. Dejardin,J. Derre,A. Ealet,B. Eckart,C. Eleftheriadis,Ioannis Evangelou,L. Faravel, P. Fassnacht,C. Felder,R. Ferreira-Marques,W. Fetscher,M. Fidecaro,A. Filipčič,D. Francis,J R Fry, E. Gabathuler,R. Gamet,D. Garreta,H.-J. Gerber,A. Go,C. Guyot,A. Haselden,P.J. Hayman,F. Henry-Couannier,R.W. Hollander,E. Hubert,Kerstin Jonand,P.-R. Kettle,C. Kochowski,P. Kokkas,R. Kreuger,R. Le Gac,F. Leimgruber,A. Liolios,E. Machado,I. Mandić,N. Manthos,G. Marel,M. Mikuž,J. Miller,F. Montanet,T. Nakada,B. Pagels,I. Papadopoulos,P. Pavlopoulos,J. Pinto da Cunha, A J P L Policarpo,G. Polivka,R. Rickenbach,B.L. Roberts,T. Ruf,L. Sakeliou,Paul W Sanders, C. Santoni,Mark E Schafer,L.A. Schaller,T. Schietinger,A. Schopper,Philippe Schune,A. Soares, L. Tauscher,C. Thibault, F. Touchard,C. Touramanis,F A Triantis,E. Van Beveren,C.W.E. Van Eijk,G. Varner,S. Vlachos,P. Weber,O. Wigger,Marcin Wladyslaw Wolter,C. Yeche,D. Zavrtanik,D. Zimmerman

PHYSICS LETTERS B（1996）

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摘要

The best estimation of phi+- (the phase of the CP violation parameter eta+-) and of Delta m (the K-L - K-S mass difference) is obtained by averaging the results of different experiments, taking into account the different correlation, existing for most of the experiments, between the measurement of phi+- and hm. Including the recent measurements, we obtain the average values (Delta m) = (530.7 +/- 1.3) x 10(7) <(h)over bar/s> and (phi+-) = 43.82 degrees +/- 0.63 degrees. This value of phi+- is in good agreement with the superweak phase phi(SW) = 43.49 degrees +/- 0.08 degrees.

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cp violation

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