Measurement of the transverse spin correlation in $Z o au^ au^-$ decaysReportar como inadecuado




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1 IPNL - Institut de Physique Nucléaire de Lyon 2 LAL - Laboratoire de l-Accélérateur Linéaire 3 PCC - Physique Corpusculaire et Cosmologie - Collège de France 4 IReS - Institut de Recherches Subatomiques 5 CPPM - Centre de Physique des Particules de Marseille 6 LPSC - Laboratoire de Physique Subatomique et de Cosmologie

Abstract : The measurement of the correlation between the transverse spin components of $\tau^+\tau^-$ pairs collected during 1992 to 1994 with the DELPHI detector at LEP1 is presented. A value \begin{center} $C {TT}$~=~0.87~$\pm$~0.20~stat.~$^{+~0.10} {-~0.12}$~syst. \end{center} was obtained for the correlation parameter, in agreement with the Standard Model expectation.





Autor: P. Abreu W. Adam T. Adye I. Ajinenko G D. Alekseev R. Alemany P P. Allport S. Almehed S. Amato P. Andersson A. Andreazza P. Antil

Fuente: https://hal.archives-ouvertes.fr/



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