Pion-pion effects in τ-decay

Mitra, A. N. (1960) Pion-pion effects in τ-decay Nuclear Physics, 18 . pp. 502-515. ISSN 0029-5582

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/002955...

Related URL: http://dx.doi.org/10.1016/0029-5582(60)90420-X


The effects of pion-pion interactions in resonant form in the s-states of isobaric spins 0 and 2 are studied in some details with respect to the energy and angular distributions of the unlike pion in τ-decay. The relation of the resonance picture with that of the more conventional effective range theory of pion-pion interaction is classified. It is found that the pion-pion hypothesis is capable of explaining the observed distribution in a variety of ways, depending on the choice of the resonance parameters. In particular, an I = 0 interaction is by no means ruled out by experiment. However, on the basis of the present τ-decay data, and in the absence of independent information on the nature of the pion-pion interaction, it is not possible to distinguish between the various alternatives.

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ID Code:34596
Deposited On:09 Apr 2011 05:55
Last Modified:09 Apr 2011 05:55

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