Superconvergence relation in backward N-N̅ scattering

Roy, D. P. (1967) Superconvergence relation in backward N-N̅ scattering Physical Review Letters, 19 (14). pp. 806-809. ISSN 0031-9007

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Suitable linear combinations of the N-N helicity amplitudes are constructed to eliminate the contribution of the deuteron and the virtual singlet trajectories. Thus four out of the five independent and crossing-odd N-N scattering amplitudes are shown to be superconvergent. However, the pseudoscalar-, scalar-, and vector-meson contributions fail to saturate most of these superconvergence relations.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:42816
Deposited On:06 Jun 2011 13:14
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