A K Giri
Articles written in Pramana – Journal of Physics
Volume 46 Issue 1 January 1996 pp 41-50
An estimation of the mass difference of$$B_d^0 - \bar B_d^0 $$ system with heavy quark symmetry formalism is presented. The effective Hamiltonian describing the transition$$\bar hd \leftrightarrow h\bar d$$ (where
Volume 46 Issue 6 June 1996 pp 411-416
Ratios of
Volume 47 Issue 3 September 1996 pp 225-231
Radiative decays of heavy mesons with heavy quark symmetry
The radiative decays of heavy mesons are considered in heavy quark symmetry formalism. Introducing the interpolating fields for the heavy mesons we obtain the transition matrix element and the corresponding decay widths in the heavy quark symmetry limits. The Isgur-Wise function present in the expression is determined by ISGW quark model. The results obtained agree reasonably well with other estimations.
Volume 47 Issue 3 September 1996 pp 261-261 Erratum
Ratios of
Volume 47 Issue 5 November 1996 pp 411-417 Brief Report
Radiative decays of heavy baryons with heavy quark symmetry
The decay widths for the radiative decays of heavy baryons are calculated in the heavy quark effective theory. Introducing the interpolating fields for heavy baryons we obtain the transition matrix elements and the corresponding decay widths. Considering the
Volume 48 Issue 5 May 1997 pp 1005-1013
Two body non-leptonic decays
We have analysed the two body non-leptonic charmed-meson decays of heavy
Volume 49 Issue 2 August 1997 pp 231-238 Research Articles
Some two body non-leptonic
We have studied some of the two body nonleptonic decays of
Volume 49 Issue 6 December 1997 pp 645-651
Two body non-leptonic Λ_{b} decays in the large
The two body non-leptonic Λ_{b} decays are analysed in the HQET with factorization approximation and large
Volume 50 Issue 2 February 1998 pp 155-162
Ratio of the color suppressed decays Λ_{b}→Λ
Based on the factorization approximation, we have estimated the ratio of the branching fractions for the color suppressed nonleptonic decays Λ_{b}→Λ
Volume 50 Issue 4 April 1998 pp 323-331
Weak radiative decay Λ_{b}→Λ
The weak radiative decay Λ_{b}→Λ
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