Are V→ Pγ decays too small for the quark model?

Mitra, Asoke N. (1976) Are V→ Pγ decays too small for the quark model? Physical Review D - Particles, Fields, Gravitation and Cosmology, 14 (3). pp. 855-857. ISSN 1550-7998

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It is shown that the considerably reduced widths found recently in V→Pγ transitions are accountable via the recoil effect under the quark-pair-creation hypothesis which gives a parameter-free reduction factor (⅔)2. However, the problems of ω→π0γ and Δ→Nγ seem to remain, so direct Primakoff-type measurements via ω and Δ0 production with π0 and neutron beams, respectively, on nuclei are suggested to resolve the issue.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:90169
Deposited On:07 May 2012 13:10
Last Modified:07 May 2012 13:10

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