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Top quark production at the Tevatron

 

作者: Daniela Bortoletto,  

 

期刊: AIP Conference Proceedings  (AIP Available online 1995)
卷期: Volume 342, issue 1  

页码: 345-358

 

ISSN:0094-243X

 

年代: 1995

 

DOI:10.1063/1.48774

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We present a summary of the searches fortt¯production in experimental channels involving a pair of dilepton (e and &mgr;) or a single lepton plus jets inp¯pcollisions at a center of mass energy of 1.8 TeV by the CDF and the D0 collaborations. CDF finds an excess of 13 counts over an estimated background of 5.96+0.49−0.44in an integrated luminosity of 19 pb−1. Though the statistics are too limited to firmly establish the existence of the top quark, a natural interpretation of the excess is that it is due tott¯production. Under this assumption, constrained mass fitting yields a top quark mass of 174±10+13−12GeV and att¯production cross section of 13.9+6.1−4.8pb. A preliminary analysis of the D0 data shows an excess of 7 events over a background of 3.2±1.1 in 13.2 pb−1. The D0 statistics shows no clear evidence for the existence of the top quark.

 

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