{"title":"PIK反应堆超冷中子通用阱实验的模拟","authors":"A. K. Fomin, A. P. Serebrov","doi":"10.1134/S1063778825700474","DOIUrl":null,"url":null,"abstract":"<p>A Monte Carlo model of an experiment with the universal trap of ultracold neutrons at the PIK reactor has been developed. The project assumes that in one installation two traps are installed on the same axis: material and magnetic. By rotating the trap system around an axis, it is possible to carry out gravitational capture of UCNs either into a material or into a magnetic trap. Thus, on one installation it is possible to compare the material and magnetic storage of UCNs under the same conditions. The motivation for such an experiment is the disagreement in the results of measuring the neutron lifetime in material and magnetic traps. As a result of the simulation, the sensitivity of the experiment at the PIK reactor was obtained.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"88 2","pages":"317 - 320"},"PeriodicalIF":0.4000,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Simulation of the Experiment with a Universal Trap of Ultracold Neutrons at the PIK Reactor\",\"authors\":\"A. K. Fomin, A. P. Serebrov\",\"doi\":\"10.1134/S1063778825700474\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>A Monte Carlo model of an experiment with the universal trap of ultracold neutrons at the PIK reactor has been developed. The project assumes that in one installation two traps are installed on the same axis: material and magnetic. By rotating the trap system around an axis, it is possible to carry out gravitational capture of UCNs either into a material or into a magnetic trap. Thus, on one installation it is possible to compare the material and magnetic storage of UCNs under the same conditions. The motivation for such an experiment is the disagreement in the results of measuring the neutron lifetime in material and magnetic traps. As a result of the simulation, the sensitivity of the experiment at the PIK reactor was obtained.</p>\",\"PeriodicalId\":728,\"journal\":{\"name\":\"Physics of Atomic Nuclei\",\"volume\":\"88 2\",\"pages\":\"317 - 320\"},\"PeriodicalIF\":0.4000,\"publicationDate\":\"2025-07-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Physics of Atomic Nuclei\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://link.springer.com/article/10.1134/S1063778825700474\",\"RegionNum\":4,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"PHYSICS, NUCLEAR\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physics of Atomic Nuclei","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.1134/S1063778825700474","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, NUCLEAR","Score":null,"Total":0}
Simulation of the Experiment with a Universal Trap of Ultracold Neutrons at the PIK Reactor
A Monte Carlo model of an experiment with the universal trap of ultracold neutrons at the PIK reactor has been developed. The project assumes that in one installation two traps are installed on the same axis: material and magnetic. By rotating the trap system around an axis, it is possible to carry out gravitational capture of UCNs either into a material or into a magnetic trap. Thus, on one installation it is possible to compare the material and magnetic storage of UCNs under the same conditions. The motivation for such an experiment is the disagreement in the results of measuring the neutron lifetime in material and magnetic traps. As a result of the simulation, the sensitivity of the experiment at the PIK reactor was obtained.
期刊介绍：
Physics of Atomic Nuclei is a journal that covers experimental and theoretical studies of nuclear physics: nuclear structure, spectra, and properties; radiation, fission, and nuclear reactions induced by photons, leptons, hadrons, and nuclei; fundamental interactions and symmetries; hadrons (with light, strange, charm, and bottom quarks); particle collisions at high and superhigh energies; gauge and unified quantum field theories, quark models, supersymmetry and supergravity, astrophysics and cosmology.
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