✦ LIBER ✦

On the necessity of production amplitudes in S-matrix theory. II: F. F. K. Cheung. State University of New York at Stony Brook, Stony Brook, New York

Publisher: Elsevier Science
Year: 1968
Tongue: English
Weight: 76 KB
Volume: 46
Category: Article
ISSN: 0003-4916
DOI: 10.1016/0003-4916(68)90309-6

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✦ Synopsis

It is shown that production amplitudes are necessary in two-particle scattering with any isotopic spins. The proof assumes that the amplitudes satisfy the analyticity requirements of Mandelstam representation with a tinite number of subtractions and the result is based on the interconnection between the unitary condition and crossing relation.

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## 244 ABSTRACTS OF PAPERS TO APPEAR IN FUTURE ISSUES required in the case of weak vibrational dispersion, is a .+0b2fi2 [where Wb is a "bandwidth" parameter, describing the frequency spread of the characteristic vibrational-dispersion curve, w(q)]. The physical significance of the results is discu