文章基本信息

标题：KLOE measurement of the charged kaon absolute semileptonic BR's
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作者：B. Sciascia
期刊名称：PoS - Proceedings of Science
印刷版ISSN：1824-8039
出版年度：2007
出版社：SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要：This paper is devoted to the measurement of the fully inclusive of photon radiation absolute branching ratios of the semileptonic charged-kaon decays, K± ! p0e±n (g ) and K± ! p0m±n (g ). The measurements have been done using a tag technique, via identification of the twobody decays K±!m±n and K±!p±p0, and using a sample of about 410 pb−1 collected during the 2001 and 2002 data taking of the KLOE experiment at DAFNE, the Frascati f factory . The results obtained are BR(Ke3) = 0.04965 (38)Stat (37)Syst and BR(Km3) = 0.03233 (29)Stat (26)Syst .