Divakaran, P. P. ; Pandit, L. K. (1968) Asymptotic SU(3), spectral-function sum rules, and the decay of the axial-vector mesons Physical Review, 166 (5). pp. 1782-1783. ISSN 0031-899X
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Official URL: http://prola.aps.org/abstract/PR/v166/i5/p1782_1
Related URL: http://dx.doi.org/10.1103/PhysRev.166.1782
Abstract
A Weinberg-type sum rule [which follows from asymptotic SU(3)] for spectral functions entering the propagators of the axial-vector current densities is saturated with the 1+ meson A1(1080) and KA(1320), and we obtain a relation between the widths of these resonances. We find Γ(KA→K∗π)=95 MeV, Γ(KA→ρK)=97 MeV.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 38244 |
| Deposited On: | 25 Apr 2011 11:58 |
| Last Modified: | 25 Apr 2011 11:58 |
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