Decays of Positronium

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We briefly review the theoretical and experimental results concerning decays of positronium. Possible solutions of the "orthopositronium lifetime puzzle" are discussed. Positronium annihilation into neutrinos is examined and disagreement is found with previously published results.
Talk given at the 14th International Workshop on High Energy Physics and Quantum Field Theory (QFTHEP99), May 1999, Moscow, Russia, to appear in the Proceedings; 9 pages, latex

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/49645

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/9911410
 http://arxiv.org/abs/hep-ph/9911410
 B.B. Levchenko and V.I. Savrin (eds.), Proc. of the 14th International Workshop on High Energy Physics and Quantum Field Theory (QFTHEP99, Moscow 1999), MSU-Press 2000, pp. 538 - 544.

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