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공공누리This item is licensed Korea Open Government License

Title
Observation of B+ -> (D)over-bar*(0)tau(+) v(tau) and evidence for B+ -> (D)over-bar(0)tau(+) v(tau) at Belle
Author(s)
김정현
Publication Year
2010-10-11
Abstract
We present measurements of B+ -> Dbar*0 tau+ nu_tau and B+ -> Dbar^0 tau+ nu_tau decays in a data sample of 657 x 10^6 BBbar pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We find 446^{+58}_{-56} events of the decay B+ -> Dbar*0 tau+ nu_tau with a significance of 8.1 standard deviations, and 146^{+42}_{-41} events of the decay B+ -> Dbar0 tau+ nu_tau with a significance of 3.5 standard deviations. The latter signal provides the first evidence fo
Keyword
High Energy Physics; Particle Physics; Belle
Journal Title
Physical Review D
Citation Volume
82
ISSN
1550-7998
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Appears in Collections:
7. KISTI 연구성과 > 학술지 발표논문
URI
https://repository.kisti.re.kr/handle/10580/13817
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