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Neutron dose estimation for 1H+9Be and 1H+12C reactions at 20 MeV proton energy via LET spectrometry using CR-39 detectors

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Abstract

The neutron dose is estimated by linear energy transfer (LET) spectrometry method for two reactions, viz. 1H+9Be and 1H+12C at 20 MeV proton energy using CR-39 track detectors. The LET spectrum is generated from the major, minor radii of each track and thickness of removed surface from each side of the detector due to chemical etching. Microdosimetric distributions of absorbed dose and dose equivalents are obtained from the LET spectrum. The absorbed dose and dose equivalent per incident proton obtained from the LET spectra are found to be about 12.5 and 8 times higher in 1H+9Be reaction than 1H+12C reaction.

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Acknowledgments

The authors are thankful to all the staffs of Pelletron Accelerator facility for their support during the irradiation of the detectors. The continuous encouragement from Dr. R.M. Tripathi, Head, Health Physics Division and Dr. D.N. Sharma, Director, Health, Safety & Environment Group, Bhabha Atomic Research Centre is thankfully acknowledged.

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Authors and Affiliations

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

    G. S. Sahoo, S. P. Tripathy, S. Paul, D. S. Joshi & T. Bandyopadhyay

  2. Radiological Physics and Advisory Division, Bhabha Atomic Research Centre, Mumbai, 400 085, India

    S. D. Sharma

Authors
  1. G. S. Sahoo
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  2. S. P. Tripathy
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  3. S. Paul
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  4. S. D. Sharma
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  5. D. S. Joshi
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  6. T. Bandyopadhyay
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Correspondence to G. S. Sahoo.

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Sahoo, G.S., Tripathy, S.P., Paul, S. et al. Neutron dose estimation for 1H+9Be and 1H+12C reactions at 20 MeV proton energy via LET spectrometry using CR-39 detectors. J Radioanal Nucl Chem 302, 1289–1293 (2014). https://doi.org/10.1007/s10967-014-3529-8

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  • DOI: https://doi.org/10.1007/s10967-014-3529-8

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