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- 저자 : Annareddy Venkat Ramann REDDY (검색결과 1 건)
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Haladhara NAIK,Guinyun KIM,Annareddy Venkat Ramann REDDY,Devesh RAJ,Duc Khue PHAM,In Soo KO,Kwangsoo KIM,Moo-Hyun CHO,Srinivasan GANESAN,남궁원,Young Do OH 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.52 No.3
The post-neutron-emission mass yield distribution and the photo-neutron cross-section σ (γ,3n)) of 209Bi with 65-MeV bremsstrahlung have been determined using an off-line gamma-ray spectrometric technique in the test electron linac at Pohang Accelerator Laboratory. The post-neutron mass yield distribution in 65-MeV bremsstrahlung induced fission of 209Bi is symmetric with average mass around 103 and a FWHM of 22 mass units, which is higher than the literature value of 19 mass units in the energy range of 28 -- 40 MeV. The increasing trend of the FWHM of the post-neutron mass yield distribution with increasing breamsstrahlung energy has been explained from the point of view of the increase in the multi-chance fission probabilities with increasing excitation energy. The (γ,3n) reaction cross-section is determined for the first time. It was also calculated using the TALYS code and was found to be in good agreement with the experimental value. The post-neutron-emission mass yield distribution and the photo-neutron cross-section σ (γ,3n)) of 209Bi with 65-MeV bremsstrahlung have been determined using an off-line gamma-ray spectrometric technique in the test electron linac at Pohang Accelerator Laboratory. The post-neutron mass yield distribution in 65-MeV bremsstrahlung induced fission of 209Bi is symmetric with average mass around 103 and a FWHM of 22 mass units, which is higher than the literature value of 19 mass units in the energy range of 28 -- 40 MeV. The increasing trend of the FWHM of the post-neutron mass yield distribution with increasing breamsstrahlung energy has been explained from the point of view of the increase in the multi-chance fission probabilities with increasing excitation energy. The (γ,3n) reaction cross-section is determined for the first time. It was also calculated using the TALYS code and was found to be in good agreement with the experimental value.
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