{"title":"The SHiP Experiment: the Problem of Multidimensional Muon Shielding Optimization","authors":"E. O. Kurbatov, F. D. Ratnikov, E. D. Ursov","doi":"10.1134/s1063779624700382","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>SHiP (Search for Hidden Particles) is a new general purpose experiment on the SPS ring at CERN, which aims to search for hidden particles proposed by numerous theories beyond the Standard Model, potentially explaining dark matter, neutrino oscillations, and baryon asymmetry of the universe. SHiP is declared as a zero background experiment. The key element to achieve this is the muon shielding. On the one hand, it should provide good background suppression, and on the other hand, it should not be too heavy. This paper presents the results of obtaining muon shielding configurations using Bayesian optimization. This made it possible to reduce the background level by 2.5 times while maintaining the mass of shielding at the same level.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":null,"pages":null},"PeriodicalIF":0.6000,"publicationDate":"2024-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physics of Particles and Nuclei","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1134/s1063779624700382","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, PARTICLES & FIELDS","Score":null,"Total":0}
引用次数: 0
Abstract
SHiP (Search for Hidden Particles) is a new general purpose experiment on the SPS ring at CERN, which aims to search for hidden particles proposed by numerous theories beyond the Standard Model, potentially explaining dark matter, neutrino oscillations, and baryon asymmetry of the universe. SHiP is declared as a zero background experiment. The key element to achieve this is the muon shielding. On the one hand, it should provide good background suppression, and on the other hand, it should not be too heavy. This paper presents the results of obtaining muon shielding configurations using Bayesian optimization. This made it possible to reduce the background level by 2.5 times while maintaining the mass of shielding at the same level.
期刊介绍：
The journal Fizika Elementarnykh Chastits i Atomnogo Yadr of the Joint Institute for Nuclear Research (JINR, Dubna) was founded by Academician N.N. Bogolyubov in August 1969. The Editors-in-chief of the journal were Academician N.N. Bogolyubov (1970–1992) and Academician A.M. Baldin (1992–2001). Its English translation, Physics of Particles and Nuclei, appears simultaneously with the original Russian-language edition. Published by leading physicists from the JINR member states, as well as by scientists from other countries, review articles in this journal examine problems of elementary particle physics, nuclear physics, condensed matter physics, experimental data processing, accelerators and related instrumentation ecology and radiology.
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