Measurements of Isomeric Yield Ratios of ^(44m,g)Sc and ^(85m,g)Y with Intermediate Energy Bremsstrahlung
Measurements of Isomeric Yield Ratios of ^(44m,g)Sc and ^(85m,g)Y with Intermediate Energy Bremsstrahlung
M. S. Rahman(Kyungpook National University); 김경숙(경북대학교); 이만우(경북대학교); 김귀년(경북대학교); V. D. Nguyen(Vietnam Academy of Science and Technology); P. D. Khue(Vietnam Academy of Science and Technology); 조무현(포항공과대학교); 남궁원(포항공과대학교)
59권 23호, 1749~1752쪽
초록
We measured the energy dependent isomeric yield ratios for the ^(nat)Ti(γ,xn1p)^(44m,g)Sc and the ^(89)Y(γ,4n)^(85m,g)Y reactions by a photo-activation method with the bremsstrahlung end point energies from 50- to 70-MeV and from 60- to 70-MeV with a step of ΔE = 10 MeV. The bremsstrahlung beam is produced by accelerated electrons bombarded into a thin tungsten target at Pohang Accelerator Laboratory (PAL). The yields are produced by photonuclear reactions that determined from the activated foil through characteristics γ-spectra using a HPGe detector. The details of the formation of the isomers together with literature values of the investigated nuclides are compared and discussed.
Abstract
We measured the energy dependent isomeric yield ratios for the ^(nat)Ti(γ,xn1p)^(44m,g)Sc and the ^(89)Y(γ,4n)^(85m,g)Y reactions by a photo-activation method with the bremsstrahlung end point energies from 50- to 70-MeV and from 60- to 70-MeV with a step of ΔE = 10 MeV. The bremsstrahlung beam is produced by accelerated electrons bombarded into a thin tungsten target at Pohang Accelerator Laboratory (PAL). The yields are produced by photonuclear reactions that determined from the activated foil through characteristics γ-spectra using a HPGe detector. The details of the formation of the isomers together with literature values of the investigated nuclides are compared and discussed.
- 발행기관:
- 한국물리학회
- 분류:
- 물리학