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A precise measurement of the direct CP violation parameter $Re(\epsilon\prime/\epsilon)

Lai, A. ; Chollet, J.C. ; Crepe, S. ; Fayard, L. ; Iconomidou-Fayard, L. ; Ocariz, J. ; Unal, G. ; Wingerter-Seez, I.

The European physical journal. C, Particles and fields, 2001, Vol.22, p.231-254 [Periódico revisado por pares]

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Título:
A precise measurement of the direct CP violation parameter $Re(\epsilon\prime/\epsilon)
Autor: Lai, A. ; Chollet, J.C. ; Crepe, S. ; Fayard, L. ; Iconomidou-Fayard, L. ; Ocariz, J. ; Unal, G. ; Wingerter-Seez, I.
Assuntos: High Energy Physics - Experiment ; Physics
É parte de: The European physical journal. C, Particles and fields, 2001, Vol.22, p.231-254
Descrição: The direct CP violation parameter Re(epsilon'/epsilon) has been measured from the decay rates of neutral kaons into two pions using the NA48 detector at the CERN SPS. With 3.3 million KL->pi0pi0 events collected during the 1998 and 1999 running periods, a result of Re(epsilon'/epsilon) = (15.0 +- 2.7)x10-4 has been obtained. The result combined with the published 1997 sample is Re(epsilon'/epsilon) = (15.3 +- 2.6)x10-4.
Editor: Springer Verlag (Germany)
Idioma: Inglês

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