{"title":"$CP$违反了LHCb的魅力","authors":"T. Pajero","doi":"10.1393/NCC/I2019-19250-3","DOIUrl":null,"url":null,"abstract":"$CP$While the CKM paradigm of CP violation has been tested extensively in $K$ and $B$ mesons, $CP$ violation remains unobserved in the decay of up-type quarks. The study of $CP$ violation in charm decays is thus a complementary test of the Standard Model, since it allows constraining $CP$-violating operators that might leave the observables of down-type quarks unaffected. Two recent measurements of $CP$ violation in charm decays by the LHCb Collaboration are reviewed. Their precision, below the $10^{-3}$ level, is finally entering the upper limit of the range of Standard Model predictions. The forthcoming Upgrade I of LHCb (2021–2029) will allow pushing the precision of the searches for $CP$ violation in charm below the $10^{-4}$ level.","PeriodicalId":54452,"journal":{"name":"Rivista Del Nuovo Cimento","volume":null,"pages":null},"PeriodicalIF":5.9000,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"$CP$ violation in charm at LHCb\",\"authors\":\"T. Pajero\",\"doi\":\"10.1393/NCC/I2019-19250-3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"$CP$While the CKM paradigm of CP violation has been tested extensively in $K$ and $B$ mesons, $CP$ violation remains unobserved in the decay of up-type quarks. The study of $CP$ violation in charm decays is thus a complementary test of the Standard Model, since it allows constraining $CP$-violating operators that might leave the observables of down-type quarks unaffected. Two recent measurements of $CP$ violation in charm decays by the LHCb Collaboration are reviewed. Their precision, below the $10^{-3}$ level, is finally entering the upper limit of the range of Standard Model predictions. The forthcoming Upgrade I of LHCb (2021–2029) will allow pushing the precision of the searches for $CP$ violation in charm below the $10^{-4}$ level.\",\"PeriodicalId\":54452,\"journal\":{\"name\":\"Rivista Del Nuovo Cimento\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":5.9000,\"publicationDate\":\"2020-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Rivista Del Nuovo Cimento\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://doi.org/10.1393/NCC/I2019-19250-3\",\"RegionNum\":2,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"PHYSICS, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Rivista Del Nuovo Cimento","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1393/NCC/I2019-19250-3","RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PHYSICS, MULTIDISCIPLINARY","Score":null,"Total":0}
$CP$While the CKM paradigm of CP violation has been tested extensively in $K$ and $B$ mesons, $CP$ violation remains unobserved in the decay of up-type quarks. The study of $CP$ violation in charm decays is thus a complementary test of the Standard Model, since it allows constraining $CP$-violating operators that might leave the observables of down-type quarks unaffected. Two recent measurements of $CP$ violation in charm decays by the LHCb Collaboration are reviewed. Their precision, below the $10^{-3}$ level, is finally entering the upper limit of the range of Standard Model predictions. The forthcoming Upgrade I of LHCb (2021–2029) will allow pushing the precision of the searches for $CP$ violation in charm below the $10^{-4}$ level.
期刊介绍:
La Rivista del Nuovo Cimento is an international peer-reviewed journal. It publishes monographs in all fields of physics. These monographies aim at presenting the state of the art of topical subjects of relevant interest for the community. Usually, authors are invited and topics suggested by the Deputy Editors-in-Chief, but also spontaneous submissions are examined.