{"title":"Estimation of the Magnitude and Sign of the ROT Effect for 239, 241Pu, 241Am, and 245Cm Nuclei at Low Neutron Energy Inducing Their Fission","authors":"I. S. Guseva, Yu. I. Gusev","doi":"10.1134/S1547477124702182","DOIUrl":null,"url":null,"abstract":"<p>The article presents all isotopes studied to date, the analysis of neutron induced fission of which has shown the presence of resonances corresponding to neutron energies close to 0.3 eV and promising for measuring the ROT effect on them. The dominance of one of the two possible components of the partial cross sections at these resonance energies should lead to the fact that the rotation of the compound nucleus before its rupture in one of the two directions will significantly predominate. As a result, the effect size is expected to be significant and with a quite predictable sign. The influence of resonances, the existence of which is assumed in the negative region of neutron energies, will be negligible here compared to the cold and thermal regions previously used to measure the ROT effect.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 2","pages":"246 - 250"},"PeriodicalIF":0.4000,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physics of Particles and Nuclei Letters","FirstCategoryId":"1085","ListUrlMain":"https://link.springer.com/article/10.1134/S1547477124702182","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, PARTICLES & FIELDS","Score":null,"Total":0}
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Abstract
The article presents all isotopes studied to date, the analysis of neutron induced fission of which has shown the presence of resonances corresponding to neutron energies close to 0.3 eV and promising for measuring the ROT effect on them. The dominance of one of the two possible components of the partial cross sections at these resonance energies should lead to the fact that the rotation of the compound nucleus before its rupture in one of the two directions will significantly predominate. As a result, the effect size is expected to be significant and with a quite predictable sign. The influence of resonances, the existence of which is assumed in the negative region of neutron energies, will be negligible here compared to the cold and thermal regions previously used to measure the ROT effect.
期刊介绍：
The journal Physics of Particles and Nuclei Letters, brief name Particles and Nuclei Letters, publishes the articles with results of the original theoretical, experimental, scientific-technical, methodological and applied research. Subject matter of articles covers: theoretical physics, elementary particle physics, relativistic nuclear physics, nuclear physics and related problems in other branches of physics, neutron physics, condensed matter physics, physics and engineering at low temperatures, physics and engineering of accelerators, physical experimental instruments and methods, physical computation experiments, applied research in these branches of physics and radiology, ecology and nuclear medicine.
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