Mani, H. S. ; Sharatchandra, H. S. (1974) Effect of neutral weak current in the decay Σ0→Λ0+e++e- in Weinberg's model Physical Review D, 10 (9). pp. 2849-2852. ISSN 0556-2821
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Official URL: http://prd.aps.org/abstract/PRD/v10/i9/p2849_1
Related URL: http://dx.doi.org/10.1103/PhysRevD.10.2849
Abstract
Weinberg's model of weak and electromagnetic interaction predicts a longitudinal polarization of Λ0 in the decay Σ0→Λ0+e++e- which can be calculated uniquely, in terms of the Weinberg angle. The polarization of Λ0 is in general of the order of 10-5. However, for small |p+Λ| (Λ0 momentum)≈ 10-2 MeV/c, the polarization is large and is ≈ 0.1% for the Weinberg angle θW≈ 35°. The width of the peak, where the polarization is large, is narrow and is in the region where the number of events expected is small.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 20185 |
| Deposited On: | 20 Nov 2010 14:53 |
| Last Modified: | 06 Jun 2011 09:12 |
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