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Omega- and phi-meson production in p n -> d M reactions near threshold and OZI-rule violation | V.Yu. Grishina
; L.A. Kondratyuk
; M. Büscher
; | Date: |
22 Jun 1999 | Subject: | nucl-th | Abstract: | We investigate the reactions p n -> d omega and p n -> d phi close to the corresponding thresholds. The S-wave amplitudes are calculated within the framework of the two-step model which is described by a triangle graph with pi, rho and omega mesons in the intermediate state. The cross sections of the reactions p n -> d omega and p n -> d phi are predicted to be significantly larger than the cross sections of the corresponding reactions p p -> p p omega and p p -> p p phi at the same values of the c.m. excess energy Q. The ratio of the yields of phi to omega is found to be (30 +/- 7) x 10^-3. | Source: | arXiv, nucl-th/9906064 | Services: | Forum | Review | PDF | Favorites |
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