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Title: Measurement of the 64Zn, 47Ti(n,p) cross sections using a DD neutron generator for medical isotope studies

Abstract

Cross sections for the 47Ti(n,p)47Sc and 64Zn(n,p)64Cu reactions have been measured for quasi-monoenergetic DD neutrons produced by the UC Berkeley High Flux Neutron Generator (HFNG). The HFNG is a compact neutron generator designed as a “flux-trap” that maximizes the probability that a neutron will interact with a sample loaded into a specific, central location. The study was motivated by interest in the production of 47Sc and 64Cu as emerging medical isotopes. The cross sections were measured in ratio to the 113In(n,n')113mIn and 115In(n,n')115mIn inelastic scattering reactions on co-irradiated indium samples. Post-irradiation counting using an HPGe and LEPS detectors allowed for cross section determination to within 5% uncertainty. The 64Zn(n,p)64Cu cross section for 2.76-0.02+0.01 MeV neutrons is reported as 49.3 ± 2.6 mb (relative to 113In) or 46.4 ± 1.7 mb (relative to 115In), and the 47Ti(n,p)47Sc cross section is reported as 26.26 ± 0.82 mb. The measured cross sections are found to be in good agreement with existing measured values but with lower uncertainty (<5%), and also in agreement with theoretical values. This work highlights the utility of compact, flux-trap DD-based neutron sources for nuclear data measurements and potentially the production of radionuclides for medical applications.

Authors:
 [1];  [2];  [1];  [3];  [4];  [5];  [1];  [6];  [6];  [1];  [1]
  1. Univ. of California, Berkeley, CA (United States). Dept. of Nuclear Engineering
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  4. Berkeley Geochronology Center, CA (United States)
  5. Univ. of California, Berkeley, CA (United States). Dept. of Nuclear Engineering; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  6. Berkeley Geochronology Center, CA (United States); Univ. of California, Berkeley, CA (United States). Dept. of Earth and Planetary Sciences
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Univ. of California, Berkeley, CA (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Nuclear Science and Security Consortium
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
OSTI Identifier:
1390674
Alternate Identifier(s):
OSTI ID: 1390025; OSTI ID: 1407974; OSTI ID: 1471040; OSTI ID: 1549978
Report Number(s):
LLNL-JRNL-733505
Journal ID: ISSN 0168-583X; PII: S0168583X17308145; TRN: US1702584
Grant/Contract Number:  
AC02-05CH11231; AC52-07NA27344; NA0003180
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms
Additional Journal Information:
Journal Volume: 410; Journal Issue: C; Journal ID: ISSN 0168-583X
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
07 ISOTOPE AND RADIATION SOURCES; 62 RADIOLOGY AND NUCLEAR MEDICINE; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; DD neutron generator; Medical isotope production; Scandium (Sc) and copper (Cu) radioisotopes; Indium; Ratio activation; Theranostics; 43 PARTICLE ACCELERATORS; 22 GENERAL STUDIES OF NUCLEAR REACTORS

Citation Formats

Voyles, A. S., Basunia, M. S., Batchelder, J. C., Bauer, J. D., Becker, T. A., Bernstein, L. A., Matthews, E. F., Renne, P. R., Rutte, D., Unzueta, M. A., and van Bibber, K. A. Measurement of the 64Zn, 47Ti(n,p) cross sections using a DD neutron generator for medical isotope studies. United States: N. p., 2017. Web. doi:10.1016/j.nimb.2017.08.021.
Voyles, A. S., Basunia, M. S., Batchelder, J. C., Bauer, J. D., Becker, T. A., Bernstein, L. A., Matthews, E. F., Renne, P. R., Rutte, D., Unzueta, M. A., & van Bibber, K. A. Measurement of the 64Zn, 47Ti(n,p) cross sections using a DD neutron generator for medical isotope studies. United States. https://doi.org/10.1016/j.nimb.2017.08.021
Voyles, A. S., Basunia, M. S., Batchelder, J. C., Bauer, J. D., Becker, T. A., Bernstein, L. A., Matthews, E. F., Renne, P. R., Rutte, D., Unzueta, M. A., and van Bibber, K. A. Thu . "Measurement of the 64Zn, 47Ti(n,p) cross sections using a DD neutron generator for medical isotope studies". United States. https://doi.org/10.1016/j.nimb.2017.08.021. https://www.osti.gov/servlets/purl/1390674.
@article{osti_1390674,
title = {Measurement of the 64Zn, 47Ti(n,p) cross sections using a DD neutron generator for medical isotope studies},
author = {Voyles, A. S. and Basunia, M. S. and Batchelder, J. C. and Bauer, J. D. and Becker, T. A. and Bernstein, L. A. and Matthews, E. F. and Renne, P. R. and Rutte, D. and Unzueta, M. A. and van Bibber, K. A.},
abstractNote = {Cross sections for the 47Ti(n,p)47Sc and 64Zn(n,p)64Cu reactions have been measured for quasi-monoenergetic DD neutrons produced by the UC Berkeley High Flux Neutron Generator (HFNG). The HFNG is a compact neutron generator designed as a “flux-trap” that maximizes the probability that a neutron will interact with a sample loaded into a specific, central location. The study was motivated by interest in the production of 47Sc and 64Cu as emerging medical isotopes. The cross sections were measured in ratio to the 113In(n,n')113mIn and 115In(n,n')115mIn inelastic scattering reactions on co-irradiated indium samples. Post-irradiation counting using an HPGe and LEPS detectors allowed for cross section determination to within 5% uncertainty. The 64Zn(n,p)64Cu cross section for 2.76-0.02+0.01 MeV neutrons is reported as 49.3 ± 2.6 mb (relative to 113In) or 46.4 ± 1.7 mb (relative to 115In), and the 47Ti(n,p)47Sc cross section is reported as 26.26 ± 0.82 mb. The measured cross sections are found to be in good agreement with existing measured values but with lower uncertainty (<5%), and also in agreement with theoretical values. This work highlights the utility of compact, flux-trap DD-based neutron sources for nuclear data measurements and potentially the production of radionuclides for medical applications.},
doi = {10.1016/j.nimb.2017.08.021},
journal = {Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms},
number = C,
volume = 410,
place = {United States},
year = {Thu Sep 07 00:00:00 EDT 2017},
month = {Thu Sep 07 00:00:00 EDT 2017}
}

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