On the compositeness criterion in field theory. - II

Rai Choudhury, S. ; Srivastava, P. K. (1966) On the compositeness criterion in field theory. - II Il Nuovo Cimento A (1965-1970), 43 (2). pp. 239-243. ISSN 0369-3546

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Related URL: http://dx.doi.org/10.1007/BF02752858


The following result is proved: for two stable particles having the same quantum numbers, the vanishing of the wave function renormalization constant for one necessarily implies the same for the other. The compositeness criterion both in the field-theoretic and dispersion-theoretic sense loses its absolute significance in such a case.

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