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Charge distribution studies in the epi-cadmium neutron induced fission of 245Cm

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Abstract

Fractional cumulative yields (FCY) and independent yields (IY) of various fission products in the epi-cadmium neutron induced fission of 245Cm were measured for the first time by using an off-line γ-ray spectrometric technique. From the FCY values, the isobaric width parameter (σZ), most probable charge (ZP) and the charge polarization (∆ΖEXPT) as a function of fragment mass were obtained. The ∆ΖMPE values based on minimum potential energy surface were theoretically calculated. From the measured IY values, isotopic width parameter (σA), the most probable mass (AP) and the elemental yields (YZ) of Sn, Sb, Te, I, Xe, Cs, Ba, La, Ce and Pr were determined by using a non-linear fit. From the YZ values, the proton even–odd effect (δp) was obtained for the first time. The isobaric and isotopic charge distribution parameters in the 245Cm(nf, f) reaction were compared with the similar data in the thermal neutron induced fission of 245Cm and other actinides to examine the role of excitation energy.

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This manuscript has no associated data or the data will not be deposited. [Authors' comment: The data are given in the tables of text. So no separate data will be deposited.]

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Acknowledgements

The authors thank the staff of reactor APSARA for their help and providing the neutron beam to carry out the experiment. We are also thankful to Dr. R.H. Iyer, earlier Head, Radiochemistry Division for his keen interest and encouragement.

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Authors and Affiliations

  1. Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai, 400 085, India

    H. Naik, R. J. Singh & S. P. Dange

  2. Department of Physics, Kyungpook National University, Daegu, 41566, Korea

    W. Jang

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  1. H. Naik
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  2. R. J. Singh
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  3. S. P. Dange
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  4. W. Jang
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Correspondence to H. Naik.

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Communicated by Jose Benlliure

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Naik, H., Singh, R.J., Dange, S.P. et al. Charge distribution studies in the epi-cadmium neutron induced fission of 245Cm. Eur. Phys. J. A 59, 230 (2023). https://doi.org/10.1140/epja/s10050-023-01136-y

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