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Beta Decay Studies of Nuclides in the Heavy Region

M.K. Preethi Rajan, R.K. Biju R.K. Biju, K.P. Santhosh K.P. Santhosh
Journal of Nuclear Physics, Material Sciences, Radiation and Applications , Volume 8, pp 43-53; doi:10.15415/jnp.2020.81006

Abstract: In the present work we studied the β-decay of various isotopes in the heavy region using the empirical formula of Fiset and Nix. It is found from the half-life that as the neutron number increases the possibility of β-decay increases. From the dependence of beta decay half-life on neutron number of parent and Q-value, we modified empirical formula of Fiset and Nix for beta decay half-life. We also developed an empirical formula for the Z-value of most stable isobar against β-decay. From the study of mass parabola for different isobars with mass number ranging from 200-223 it was found that the lowest point in the parabola, which is the Z-value of most stable isobar against β-decay, matches well with our formula predictions.
Keywords: formula / Neutron / beta / parabola / Heavy / Isobar / β decay

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