Authors:
Van Nguyen Vietnam Academy of Science and Technology Institute of Physics and Electronics 10 Dao Tan Hanoi Vietnam

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Duc Pham Vietnam Academy of Science and Technology Institute of Physics and Electronics 10 Dao Tan Hanoi Vietnam

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Tien Kim Vietnam Academy of Science and Technology Institute of Physics and Electronics 10 Dao Tan Hanoi Vietnam

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Md. Rahman Kyungpook National University Department of Physics Daegu 702-701 Republic of Korea

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Kyung-Sook Kim Kyungpook National University Department of Physics Daegu 702-701 Republic of Korea

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Guinyun Kim Kyungpook National University Department of Physics Daegu 702-701 Republic of Korea

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Hee-Seock Lee Pohang University of Science and Technology Pohang Accelerator Laboratory Pohang 790-784 Republic of Korea

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Moo-Hyun Cho Pohang University of Science and Technology Pohang Accelerator Laboratory Pohang 790-784 Republic of Korea

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In Ko Pohang University of Science and Technology Pohang Accelerator Laboratory Pohang 790-784 Republic of Korea

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Won Namkung Pohang University of Science and Technology Pohang Accelerator Laboratory Pohang 790-784 Republic of Korea

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Tae-Ik Ro Dong-A University Department of Physics Busan 604-714 Republic of Korea

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Abstract  

The isomeric yield ratios for the natFe(γ,xn1p)52m,gMn reactions have been measured by the activation and the γ-ray spectroscopic methods at 50-, 60-, 70-MeV, and 2.5-GeV bremsstrahlung energies. The high purity natural iron foils in disc shape were irradiated with uncollimated bremsstrahlung beams of the Pohang Accelerator Laboratory. The induced activities in the irradiated foils were measured by the high-resolution γ-ray spectrometry with a calibrated high-purity Germanium (HPGe) detector. In order to improve the accuracy of the experimental results the necessary corrections were made in the gamma activity measurements and data analysis. The obtained isomeric yield ratios for the natFe(γ,xn1p)52m,gMn reactions at 50-, 60-, 70-MeV, and 2.5-GeV bremsstrahlung energies are 0.27 ± 0.03, 0.33 ± 0.04, 0.34 ± 0.04, and 1.25 ± 0.15, respectively. The present results at 50-, 60-MeV, and 2.5-GeV bremsstrahlung energies are the first measurements. We found that the isomeric yield ratio of the natFe(γ,xn1p)52m,gMn reaction depends on the incident bremsstrahlung energy and the mass difference between the product and the target nucleus when we compared the present results with other experimental data at different energies.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)