Mechanisms of the reaction {pi}{sup -}p{yields}a{sub 0}{sup 0}(980)n{yields}{pi}{sup 0}{eta}n at high energies
Journal Article
·
· AIP Conference Proceedings
- Laboratory of Theoretical Physics, S. L. Sobolev Institute for Mathematics, 630090, Novosibirsk 90 (Russian Federation)
Over the last twenty years, it was assumed that the reaction {pi}{sup -}p{yields}a{sub 0}{sup 0}(980)n{yields}{pi}{sup 0}{eta}n at high energies is dominated by the b{sub 1} Regge pole exchange. We show that the new Brookhaven and Serpukhov data on the t distributions for this reaction can be explained within the framework of the Regge pole model only if the {rho}{sub 2} Regge pole exchange conspiring with its daughter plays a crucial role. The tentative estimates of the absolute {pi}{sup -}p{yields}a{sub 0}{sup 0}(980)n{yields}{pi}{sup 0}{eta}n reaction cross section are obtained. The contributions of the one-pion exchange mechanism and the Regge cuts are also estimated.
- OSTI ID:
- 21185764
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 432; ISSN 0094-243X; ISSN APCPCS
- Country of Publication:
- United States
- Language:
- English
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