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Photo-neutron cross-section of 100Mo

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Abstract

The 100Mo(γ, n) reaction cross-section was experimentally determined at end point bremsstrahlung energy of 10 and 12.5 MeV using off-line γ-ray spectrometric technique. It was also found that 100Mo(γ, n) reaction cross-section increases sharply from the end point bremsstrahlung energy of 10 MeV to 12.5 MeV, which may be because of GDR around the energy region of 12–16 MeV. The 100Mo(γ, n) reaction cross-section as a function of photon energy was calculated theoretically using TALYS 1.2 computer code. The flux-weighted average values of 100Mo(γ, n) reaction cross-section for bremsstrahlung having end point energy of 10 and 12.5 MeV were also calculated using the experimental and theoretical data of mono-energetic photon. The present experimental 100Mo(γ, n) reaction cross-sections were compared with the bremsstrahlung flux-weighted average values of experimental and theoretical data and found to be in the lower side for 10 MeV and in the higher side for 12.5 MeV.

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Acknowledgments

The authors are thankful to the staff of electron LINAC at EBC, Kharghar, Navi-Mumbai and Dr. L. M. Gantayet, Group Director of the BTD group, BARC for providing the electron beam to carry out the experiments. The authors are thankful especially to Mukesh Kumar, Nishant Choudhury, Dhruva Bhattarjee, Jayanta Mondal, Rajneesh Tiwari, Manjunath, Abhijit R Tillu, Harshit Thyagi, Shiv Chandan, and Jayaprakash of EBC, Kharghar. One of the authors Mrs. Rita Crasta gratefully acknowledges BRNS, Department of Atomic Energy, Government of India, for the financial support and Mangalore University Microtron Centre Research Group and technical staff for their help.

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Authors and Affiliations

  1. Department of Studies in Physics, Microtron Centre, Mangalore University, Mangalagangotri, 574 199, Karnataka, India

    Rita Crasta & S. Ganesh

  2. Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai, 400085, India

    H. Naik & A. Goswami

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

    S. V. Suryanarayana

  4. Reactor Physics Design Division, Bhabha Atomic Research Centre, Mumbai, 400085, India

    P. M. Prajapati

  5. Radio Pharmaceutical Division, Bhabha Atomic Research Centre, Mumbai, 400085, India

    K. C. Jagadisan & S. V. Thakare

  6. Accelerator & Pulse Power Division, Bhabha Atomic Research Centre, Mumbai, 400085, India

    V. T. Nimje & K. C. Mittal

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  1. Rita Crasta
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Correspondence to H. Naik.

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Crasta, R., Naik, H., Suryanarayana, S.V. et al. Photo-neutron cross-section of 100Mo. J Radioanal Nucl Chem 290, 367–373 (2011). https://doi.org/10.1007/s10967-011-1247-z

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