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Charm changing weak decays 1/2+ → 3/2+ + 0−/γ in SU(4) and SU(8) w

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Abstract

Weak decay modes (1/2+ → 3/2+ + 0−/γ) of charmed baryons are studied. Relations among the various decay amplitudes are derived in isospin, SU(3), SU(4) and SU(8) w symmetries. Sextet dominance in SU(3) forbidsB(3) →D(10) +P(3*) decays. 20″ dominance in SU(4) specifies all the decays in terms of Θ− decays. Weak decays of Θ* ++3 and Θ− are also discussed. SU(8) w symmetry predictsα \((\Omega \bar k) = 0\), which is consistent with the experimental value.

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  1. Department of Physics, Panjab University, 160 014, Chandigarh

    Ramesh C Verma & M P Khanna

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  1. Ramesh C Verma
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  2. M P Khanna
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Verma, R.C., Khanna, M.P. Charm changing weak decays 1/2+ → 3/2+ + 0−/γ in SU(4) and SU(8) w . Pramana - J Phys 11, 333–351 (1978). https://doi.org/10.1007/BF02848195

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  • DOI: https://doi.org/10.1007/BF02848195

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