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Measurement of 14.54 ± 0.24 MeV neutron activation reaction cross sections of 93Nb, natMo with covariance analysis

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Abstract

The 93Nb(n,α)90mY, 93Nb(n,2n)92mNb and 92Mo(n,p)92mNb reaction cross sections have been measured relative to the 197Au(n,2n)196Au monitor reaction at the neutron energy of 14.54 ± 0.24 MeV. The neutrons were generated from the T(d,n)4He reaction using Purnima neutron generator. The experiment was done by using the method of activation in combination with an off-line \(\gamma\)-ray spectrometry technique. The uncertainties and correlations for the reaction cross sections were estimated with the use of covariance analysis by considering the partial uncertainties in individual attributes. The measured reaction cross sections have been analyzed by comparing with the data available in EXFOR compilation, various files of evaluated data and theoretically calculated values from TALYS-1.9.

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Acknowledgements

One of the author (IP) would like to thank Department of Atomic Energy & Board of Research in Nuclear Sciences (DAE-BRNS) for major research project (Sanction No. 36(6)/14/ 92/2014-BRNS/2727). The author (IP), thanks the staff of Purnima neutron generator, BARC, Mumbai for their kind cooperation for the operation of accelerator.

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Authors and Affiliations

  1. Department of Physics, Bangalore University, Bengaluru, Karnataka, 560056, India

    Imran Pasha & Rudraswamy Basavanna

  2. Department of MACS, NITK, Surathkal, Karnataka, 575025, India

    Santhi Sheela Yerranguntla

  3. Nuclear Physics Division, Bhabha Atomic Research Center, Mumbai, 400085, India

    Saraswatula Venkata Suryanarayana & Laxman Singh Danu

  4. Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, Homi Bhabha Road, Colaba, Mumbai, 400005, India

    Rebecca Pachuau

  5. Department of Physics, University of Calicut, Calicut, Kerala, 673635, India

    Cherumukku Vallabhan Midhun

  6. Radio Chemistry Division, Bhabha Atomic Research Center, Mumbai, 400085, India

    Haladhara Naik

  7. Neutron and X-ray Physics Division, Bhabha Atomic Research Center, Mumbai, 400085, India

    Tarun Patel & Saroj Bishnoi

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  1. Imran Pasha
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Pasha, I., Basavanna, R., Yerranguntla, S.S. et al. Measurement of 14.54 ± 0.24 MeV neutron activation reaction cross sections of 93Nb, natMo with covariance analysis. J Radioanal Nucl Chem 325, 863–868 (2020). https://doi.org/10.1007/s10967-020-07261-y

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