{"title":"235U 外镉中子诱发裂变中裂变产物的独立异构产率。","authors":"H. Naik , R.J. Singh , S.P. Dange , W. Jang","doi":"10.1016/j.apradiso.2024.111536","DOIUrl":null,"url":null,"abstract":"<div><div>In the epi-cadmium neutron induced fission of <sup>235</sup>U, independent isomeric yield ratios (IR) of fission products <sup>130,132</sup>Sb, <sup>131,133</sup>Te, <sup>134,136</sup>I, <sup>135</sup>Xe and <sup>138</sup>Cs have been measured by using an off-line gamma-ray spectrometric technique. The average neutron energy of the epi-cadmium reactor neutron spectrum is 1.9 MeV. From the IR values, the root mean square fragment angular momenta (<em>J</em><sub><em>RMS</em></sub>) were deduced by using spin dependent statistical model analysis. The IR and J<sub>RMS</sub> values of considered fission products in the epi-cadmium neutron induced fission of <sup>235</sup>U were compared with the literature data in the thermal neutron induced fission of <sup>235</sup>U to examine the influence of excitation energy on nuclear structure effect.</div></div>","PeriodicalId":8096,"journal":{"name":"Applied Radiation and Isotopes","volume":"214 ","pages":"Article 111536"},"PeriodicalIF":1.6000,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Independent isomeric yield ratios of fission products in the epi-cadmium neutron induced fission of 235U\",\"authors\":\"H. Naik , R.J. Singh , S.P. Dange , W. Jang\",\"doi\":\"10.1016/j.apradiso.2024.111536\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>In the epi-cadmium neutron induced fission of <sup>235</sup>U, independent isomeric yield ratios (IR) of fission products <sup>130,132</sup>Sb, <sup>131,133</sup>Te, <sup>134,136</sup>I, <sup>135</sup>Xe and <sup>138</sup>Cs have been measured by using an off-line gamma-ray spectrometric technique. The average neutron energy of the epi-cadmium reactor neutron spectrum is 1.9 MeV. From the IR values, the root mean square fragment angular momenta (<em>J</em><sub><em>RMS</em></sub>) were deduced by using spin dependent statistical model analysis. The IR and J<sub>RMS</sub> values of considered fission products in the epi-cadmium neutron induced fission of <sup>235</sup>U were compared with the literature data in the thermal neutron induced fission of <sup>235</sup>U to examine the influence of excitation energy on nuclear structure effect.</div></div>\",\"PeriodicalId\":8096,\"journal\":{\"name\":\"Applied Radiation and Isotopes\",\"volume\":\"214 \",\"pages\":\"Article 111536\"},\"PeriodicalIF\":1.6000,\"publicationDate\":\"2024-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Applied Radiation and Isotopes\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0969804324003646\",\"RegionNum\":3,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"CHEMISTRY, INORGANIC & NUCLEAR\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Radiation and Isotopes","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0969804324003646","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, INORGANIC & NUCLEAR","Score":null,"Total":0}
Independent isomeric yield ratios of fission products in the epi-cadmium neutron induced fission of 235U
In the epi-cadmium neutron induced fission of 235U, independent isomeric yield ratios (IR) of fission products 130,132Sb, 131,133Te, 134,136I, 135Xe and 138Cs have been measured by using an off-line gamma-ray spectrometric technique. The average neutron energy of the epi-cadmium reactor neutron spectrum is 1.9 MeV. From the IR values, the root mean square fragment angular momenta (JRMS) were deduced by using spin dependent statistical model analysis. The IR and JRMS values of considered fission products in the epi-cadmium neutron induced fission of 235U were compared with the literature data in the thermal neutron induced fission of 235U to examine the influence of excitation energy on nuclear structure effect.
期刊介绍：
Applied Radiation and Isotopes provides a high quality medium for the publication of substantial, original and scientific and technological papers on the development and peaceful application of nuclear, radiation and radionuclide techniques in chemistry, physics, biochemistry, biology, medicine, security, engineering and in the earth, planetary and environmental sciences, all including dosimetry. Nuclear techniques are defined in the broadest sense and both experimental and theoretical papers are welcome. They include the development and use of α- and β-particles, X-rays and γ-rays, neutrons and other nuclear particles and radiations from all sources, including radionuclides, synchrotron sources, cyclotrons and reactors and from the natural environment.
The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria.
Papers dealing with radiation processing, i.e., where radiation is used to bring about a biological, chemical or physical change in a material, should be directed to our sister journal Radiation Physics and Chemistry.
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