120674949
Nonfactorizable contributions to hadronic decays of D mesons
Nonfactorizable contributions to charm meson and decay modes are investigated. Using isospin symmetry, we observe that the ratio of nonfactorizable isospin 1/2 and 3/2 reduced amplitudes seems to follow a universal value for these modes. Extending our analysis to SU(3) flavour symmetry, we obtain a consistent fit for η/η' emitting decays of D and D+s mesons.
122629163
Higher Order Effects on Radiative Decays of Mesons
119573508
Weak Gamma Decays and the Nonleptonic Weak Hamiltonian
18485133
SU(3){sub flavor} analysis of two-body weak decays of charmed baryons
We study two-body weak decays of charmed baryons {Lambda}{sub c}{sup +}, {Xi}{sub c}{sup +}, and {Xi}{sub c}{sup 0} into an octet or decuplet baryon and a pseudoscalar meson employing the SU(3) flavor symmetry. Using certain measured Cabibbo-favored modes, we fix the reduced amplitudes and predict the branching ratios of various decays of charmed baryons in the Cabibbo-enhanced, -suppressed, and -doubly-suppressed modes. {copyright} {ital 1997} {ital The American Physical Society}
120063159
Weak nonleptonic decays of charm baryons emitting scalar mesons
We investigate the weak nonleptonic decays of charm baryons emitting scalar mesons employing the factorization scheme and predict their branching ratios.
122007970
Radiative weak decays of baryons
119243959
Lower bound on neutrino mass and possible CP violation in neutrino oscillations
The phenomenology of the most general lepton mass matrices obtained through weak basis transformations has been discussed. Using a hierarchical parametrization of these mass matrices, the exact relations for lepton mixing angles have been obtained assuming normal neutrino mass hierarchy and natural structures of lepton mass matrices. The recent three neutrino oscillation data together with the condition of naturalness on Dirac lepton mass matrices provide a lower bound on the lightest neutrino mass of m{\nu}1 > 3 meV along with a non-vanishing Dirac CP violating phase.
119113376
Implications of precision measurements on texture specific fermion mass matrices
Implications of texture specific mass matrices have been investigated for both quarks and neutrinos. Interestingly, for the case of quarks Fritzsch-like texture 4 zero mass matrices have been found to be compatible with the present precisely known sin 2β as well as other precise CKM matrix elements. In the case of leptonic mass matrices, for both Majorana and Dirac neutrinos we find that for texture 4, 5, 6 zero mass matrices the inverted hierarchy and degenerate scenarios of neutrino masses are ruled out by the present data.