Electronic Resource
Springer
The European physical journal
10 (1981), S. 263-266
ISSN:
1434-6052
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract Finite energy sum rules are evaluated for the amplitudes corresponding to the exchange of theA 1 and its exchange degenerate partner, theZ 1 (J PC=2−−), in charged pion photoproduction. Both sum rules are roughly compatible with theoretical estimates of these exchanges, and a definiteA 1 signal found.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01549734
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