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Probable alpha and 14C cluster emission from hyper Ac nuclei

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Abstract

A systematic study on the probability for the emission of 4He and 14C cluster from hyper 207–234Λ Ac and non-strange normal 207–234Ac nuclei are performed for the first time using our fission model, the Coulomb and proximity potential model (CPPM). The predicted half lives show that hyper 207–234Λ Ac nuclei are unstable against 4He emission and 14C emission from hyper 217–228Λ Ac are favorable for measurement. Our study also show that hyper 207–234Λ Ac are stable against hyper 4Λ He and 14Λ C emission. The role of neutron shell closure (N = 126) in hyper 214Λ Fr daughter and role of proton/neutron shell closure (Z ≈ 82, N = 126) in hyper 210Λ Bi daughter are also revealed. As hyper-nuclei decays to normal nuclei by mesonic/non-mesonic decay and since most of the predicted half lives for 4He and 14C emission from normal Ac nuclei are favourable for measurement, we presume that alpha and 14C cluster emission from hyper Ac nuclei can be detected in laboratory in a cascade (two-step) process.

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Authors and Affiliations

  1. School of Pure and Applied Physics, Kannur University, Swami Anandatheertha Campus, 670327, Payyanur, India

    K. P. Santhosh

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Correspondence to K. P. Santhosh.

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Communicated by A. Ramos

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Santhosh, K.P. Probable alpha and 14C cluster emission from hyper Ac nuclei. Eur. Phys. J. A 49, 127 (2013). https://doi.org/10.1140/epja/i2013-13127-3

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  • DOI: https://doi.org/10.1140/epja/i2013-13127-3

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