Evaporation residue cross-section measurements for O 16 + Tl 203,205

J. Gehlot, A. M. Vinodkumar, N. Madhavan, S. Nath, A. Jhingan, T. Varughese, Tathagata Banerjee, A. Shamlath, P. V. Laveen, M. Shareef, P. Jisha, P. Sandya Devi, G. Naga Jyothi, M. M. Hosamani, I. Mazumdar, V. I. Chepigin, M. L. Chelnokov, A. V. Yeremin, A. K. Sinha, B. R.S. Babu

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    Evaporation residue cross sections for the O16+Tl203,205 reactions were measured at laboratory beam energies in the range of 82-113 MeV using a gas-filled separator. Transmission efficiency of the separator was estimated using a calibration reaction O16+Au197 and by simulating the evaporation residues angular distributions. Statistical model calculations were performed for both the measured systems. These calculations overestimate the experimental evaporation residue cross sections. This could be attributed to the presence of noncompound nuclear fission. An estimation of noncompound nuclear fission contribution was carried out. Comparison with neighboring systems shows that a slight change in the entrance channel or the compound nucleus properties makes a large difference in evaporation residue cross sections.

    Original languageEnglish
    Article number034615
    JournalPhysical Review C
    Issue number3
    Publication statusPublished - 22 Mar 2019


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