Role of pion-pion interaction in τ-decay

Mitra, A. N. (1958) Role of pion-pion interaction in τ-decay Nuclear Physics, 6 . pp. 404-419. ISSN 0029-5582

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The effect of the pion-pion interaction on the anisotropy of the decay pions in τ-decay and on the τ'/τ-branching ratio is studied here, following the formalism of a recent paper by Dalitz. The π-π interaction is assumed to be of the resonant Breit Wigner type in the isobaric spin states I = 0 and I = 2. It is found that the assumption. of an I = 2 resonance can satisfactorily explain the experimental figures for the momentum distribution of the unlike pion as well as the τ'/τ-branching ratio. This result serves as a supporting evidence for a recent deduction by the author of an I = 2 resonance within the framework of the pseudoscalar meson theory.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:34470
Deposited On:09 Apr 2011 05:53
Last Modified:09 Apr 2011 05:53

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