P-odd observables at the upsilon peak
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P-odd observables at the upsilon peak

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P-odd observables at the upsilon peak

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dc.contributor.author Bernabeu Alberola, José
dc.contributor.author Botella Olcina, Francisco J.
dc.contributor.author Vives García, Óscar
dc.date.accessioned 2014-11-06T09:44:26Z
dc.date.available 2014-11-06T09:44:26Z
dc.date.issued 1999
dc.identifier.uri http://hdl.handle.net/10550/39628
dc.description.abstract We study the gamma-Z interference In the process e(+)e(-) -> Y --> tau(+)tau(-) as a means to measure the neutral current coupling of the b-quark. The helicity amplitudes are calculated from resonant and background diagrams and the spin density matrix of the final state is discussed. The spin analyzer of the tau's is illustrated with the decays pi nu and rho nu --> (pi pi)nu. With 10(8)Y a sensitivity to g(V)(b) of a few per cent could be reachable.
dc.language.iso eng
dc.relation.ispartof European Physical Journal C, 1999, vol. 7, num. 2, p. 205-215
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Bernabeu Alberola, José; Botella Olcina, Francisco J.; Vives García, Óscar (1999) P-odd observables at the upsilon peak European Physical Journal C 7 2 205 215
dc.subject Física
dc.title P-odd observables at the upsilon peak
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-11-06T09:44:26Z
dc.identifier.doi http://dx.doi.org/10.1007/s100529801007
dc.identifier.idgrec 068704

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