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Measurement of 59Co(n, γ)60Co reaction cross sections at the effective neutron energies of 11.98 and 15.75 MeV

Abstract

The 59Co(n, γ)60Co reaction cross sections have been measured relative to the cross sections of the 115In \(\left( {n,\gamma } \right)\) 116mIn monitor reaction at the effective neutron energies of 11.98 and 15.75 MeV by using activation and off-line γ-ray spectrometric technique. We generate and present the covariance information by taking into account various attributes influencing the uncertainties and also the correlations between them. The 59Co(n, γ)60Co reaction cross sections from the present work have been compared with evaluated nuclear data libraries and theoretical values based on computer code TALYS-1.8.

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Acknowledgements

The research work was supported by DAE-BRNS, BARC, Mumbai through a research project (Sanction No. 36(6)/14/52/2014-BRNS/2708). The first author would like to thank Tim Vidmar, Belgian Nuclear Research Centre (SCK CEN), Belgium for providing EFFTRAN software for calculating the correction factor due to coincidence summing. The authors are thankful to the staff of BARC-TIFR Pelletron facility for their kind cooperation and help in providing the proton beam to carry out the experiment. The first author would also like to thank Vinay Madhusudanan, Asst. Prof. Department of Mathematics, MIT, Manipal for his association in developing a Matlab code for computing covariance matrix. The first author is extremely thankful to Naohiko Otsuka, International Atomic Energy Agency for his valuable expert opinion on the method of retrieving monitor cross section from IRDFF.

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Correspondence to Haladhara Naik.

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Yerraguntla, S.S., Naik, H., Karantha, M.P. et al. Measurement of 59Co(n, γ)60Co reaction cross sections at the effective neutron energies of 11.98 and 15.75 MeV. J Radioanal Nucl Chem 314, 457–465 (2017). https://doi.org/10.1007/s10967-017-5374-z

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Keywords

  • 59Co(n, γ)60Co reaction cross sections
  • Activation and off-line γ-ray spectrometry
  • Covariance analysis
  • TALYS-1.8