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Study of prompt and residual activities from proton irradiation on Nb, Ta and Fe targets

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Abstract

Current research in the accelerator technology is focused towards achieving high energy, intense beams by minimizing conversion losses during beam acceleration. In such high current facilities, induced activity in structural materials become primary concern for radiation protection and materials like Ta and Nb, with low induced activity generation, high corrosion resistance characteristics are preferred along with conventional structural materials. In view of significant use of elements like Nb, Ta and Fe in the proton accelerators, a dose rate measurement and decay study has been carried out. The prompt γ- and neutron doses with residual activity profile from short and long lived isotopes were estimated using γ-ray spectrometric method.

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Acknowledgements

The authors would like to thank the Pelletron facility staff members for their support during the experiment. Authors sincerely thank R. M. Suresh Babu, Associate Director, Health Safety & Environment Group, BARC for providing their support and inspiration during the entire course of work.

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Authors and Affiliations

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

    Sabyasachi Paul, D. S. Joshi, A. A. Shanbhag, G. S. Sahoo, S. P. Tripathy & M. S. Kulkarni

  2. Homi Bhabha National Institute, Anushaktinagar, Mumbai, 400 094, India

    S. P. Tripathy & M. S. Kulkarni

  3. Nuclear Physics Division, Bhabha Atomic Research Centre, Mumbai, 400 085, India

    S. C. Sharma

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  1. Sabyasachi Paul
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  2. D. S. Joshi
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  3. A. A. Shanbhag
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  4. G. S. Sahoo
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  5. S. P. Tripathy
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  6. S. C. Sharma
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  7. M. S. Kulkarni
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Correspondence to Sabyasachi Paul.

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Paul, S., Joshi, D.S., Shanbhag, A.A. et al. Study of prompt and residual activities from proton irradiation on Nb, Ta and Fe targets. J Radioanal Nucl Chem 325, 781–787 (2020). https://doi.org/10.1007/s10967-020-07145-1

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  • DOI: https://doi.org/10.1007/s10967-020-07145-1

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