On the soft-pion technique applied to bremsstrahlung processes: η→π+π−π0γ
Author:
Publisher
Springer Science and Business Media LLC
Subject
General Medicine
Link
http://link.springer.com/content/pdf/10.1007/BF02825384.pdf
Reference9 articles.
1. Current algebra has been applied to η→π+π−π0γ by several people.A. Q. Sarker:Phys. Rev. Lett.,19, 1261 (1967) has produced a gauge-invariant amplitude; however his result does not contain any infra-red singularity.A. Baracca, A. Bramón andA. Tiemblo:Nuovo Cimento,50 A, 1006 (1967). find zero for the amplitude.G. W. Intemann andI. R. Lapidus:Phys. Rev.,165, 1650 (1967), evaluate the amplitude with some technique just sketched above and consequently the amplitude does not contain the infra-red poles and is not gauge-invariant.
2. See for instanceS. L. Adler andY. Dothan:Phys. Rev.,151, 1267 (1966).
3. S. Weinberg:Phys. Rev. Lett.,16, 879 (1966).
4. F. E. Low:Phys. Rev.,110, 974 (1958).
5. G. W. Intemann andI. R. Lapidus:Phys. Rev.,165, 1650 (1967), have evaluated the inner bremsstrahlung for such case.
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1. Current Algebra,K¯l30Form Factors, and RadiativeK¯l30Decay;Physical Review D;1970-08-01
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