Sum Rules for the Four-Body Semi-Leptonic Decays of Charmed Mesons
Open Access
- 1 December 1978
- journal article
- Published by Oxford University Press (OUP) in Progress of Theoretical Physics
- Vol. 60 (6) , 1834-1841
- https://doi.org/10.1143/ptp.60.1834
Abstract
We consider the four-body semi-leptonic decays of charmed mesons. Assuming that the effective Hamiltonian Hw∼Jh⊗Jl and that Jh transforms as a 15-dimensional representation of SU(4), we expand the transition amplitude 〈M2, M3|Jh|M1〉 in terms of the eigenamplitudes of SU(4). By the help of SU(4) invariance of the amplitudes we obtain sum rules for the various decay rates.Keywords
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