Charged Kaon production in 3-prong τ decays in DELPHI

被引：0
|
作者：
van Eldik, J [1 ]
机构：
[1] CERN, Geneva, Switzerland
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2001年 / 98卷
关键词：
D O I：
10.1016/S0920-5632(01)01227-0
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The production of charged kaons in the three-prong decay of the tau is studied using the data collected in the DELPHI detector during the LEP-1 data taking between 1992 and 1995. Algorithms for the reconstruction of the tau decay vertex and the charged kaon identification in the Barrel RICH are presented. With these tools we tag tau (-)--> K(-)K(+)pi (-)nu (tau), and tau (-)-->K(-)pi (+)pi (-)nu (tau) decays on an event-by-event basis. Preliminary results for the inclusive branching ratios tau (-)-->K(-)K(+)pi (-)nu (tau) and tau (-)-->K-K pi (+)pi (-)nu (tau) determined from the 1994 data sample are presented.
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页码：218 / 223
页数：6
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