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Photon Activation Analysis in Gallium, Nickel, and Vanadium

Journal Article · · Nuclear Science and Engineering
 [1];  [1];  [1];  [2];  [2];  [2];  [2];  [2];  [2];  [3]
  1. New Mexico Institute of Mining and Technology, Socorro, NM (United States)
  2. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
  3. Coe College, Cedar Rapids, IA (United States)
Here this research explored the development of the photonuclear production method of 67Cu from 71Ga as well as 47Sc from 51V. Both products serve as high-demand research medical radioisotopes. Furthermore, an understanding of these reactions is significant to fundamental nuclear physics and astrophysics. Bremsstrahlung flux was induced by an electron linac and a 1-mm tungsten radiator. Irradiation of gallium oxide powder, 98.78% pure 71Ga, and a natural vanadium foil at 30.9 MeV and 100 W for 1 h produced 64.4 ± 0.4 Bq/W·s·kg of 67Cu and 164 ± 3.1 Bq/W·s·kg of 47Sc. A secondary irradiation with 99.6% pure 71 Ga and natural vanadium at 31.5 MeV and 100 W for 1.1 h produced 79.8 ± 0.9 Bq/W·s·kg of 67 Cu and 136 ± 7.2 Bq/W·s·kg of 47Sc. The photoinduced activation is promising; however, further research into optimal geometry and power is required to maximize specific activity. Natural nickel was also irradiated to serve as a benchmark comparison. Effective cross sections for each reaction were inferred.
Research Organization:
New Mexico Institute of Mining and Technology, Socorro, NM (United States); Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0019411
OSTI ID:
1985991
Report Number(s):
DOE/OR/23177--6478; JLAB-ACC--23-3862
Journal Information:
Nuclear Science and Engineering, Journal Name: Nuclear Science and Engineering Journal Issue: 1 Vol. 198; ISSN 0029-5639
Publisher:
Taylor & FrancisCopyright Statement
Country of Publication:
United States
Language:
English

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Figures / Tables (9)


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