{"title":"D0点顶夸克性质的测量","authors":"E.Shabalina, F. C. Collaboration","doi":"10.1393/ncb/i2008-10680-9","DOIUrl":null,"url":null,"abstract":"— We present a summary of the measurements of the top quark production and decay properties performed by the D0 experiment at the Fermilab Tevatron proton-antiproton collider at √ s = 1.96 TeV using 1 fb of data. We discuss the first simultaneous measurement of the ratio of branching fractions, R = B(t → Wb)/B(t → Wq), with q being a d, s, or b quark, and the top quark pair production cross section σtt̄, the first model-independent measurement of the helicity of W bosons produced in the top quark decays, and the first measurement of the integrated forward-backward charge asymmetry in the production of tt̄ pairs.","PeriodicalId":54708,"journal":{"name":"Nuovo Cimento Della Societa Italiana Di Fisica B-Basic Topics in Physics","volume":"1 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2008-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Measurement of top quark properties at D0\",\"authors\":\"E.Shabalina, F. C. Collaboration\",\"doi\":\"10.1393/ncb/i2008-10680-9\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"— We present a summary of the measurements of the top quark production and decay properties performed by the D0 experiment at the Fermilab Tevatron proton-antiproton collider at √ s = 1.96 TeV using 1 fb of data. We discuss the first simultaneous measurement of the ratio of branching fractions, R = B(t → Wb)/B(t → Wq), with q being a d, s, or b quark, and the top quark pair production cross section σtt̄, the first model-independent measurement of the helicity of W bosons produced in the top quark decays, and the first measurement of the integrated forward-backward charge asymmetry in the production of tt̄ pairs.\",\"PeriodicalId\":54708,\"journal\":{\"name\":\"Nuovo Cimento Della Societa Italiana Di Fisica B-Basic Topics in Physics\",\"volume\":\"1 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2008-07-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Nuovo Cimento Della Societa Italiana Di Fisica B-Basic Topics in Physics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1393/ncb/i2008-10680-9\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nuovo Cimento Della Societa Italiana Di Fisica B-Basic Topics in Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1393/ncb/i2008-10680-9","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
— We present a summary of the measurements of the top quark production and decay properties performed by the D0 experiment at the Fermilab Tevatron proton-antiproton collider at √ s = 1.96 TeV using 1 fb of data. We discuss the first simultaneous measurement of the ratio of branching fractions, R = B(t → Wb)/B(t → Wq), with q being a d, s, or b quark, and the top quark pair production cross section σtt̄, the first model-independent measurement of the helicity of W bosons produced in the top quark decays, and the first measurement of the integrated forward-backward charge asymmetry in the production of tt̄ pairs.
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