Search for B+ -> e(+)nu(e) and B+ -> mu(+)nu(mu) decays using hadronic tagging

	Search for B+ -> e(+)nu(e) and B+ -> mu(+)nu(mu) decays using hadronic tagging
	Belle Collaboration
刊名	PHYSICAL REVIEW D
	2015
卷号	91 期号:5 页码:52016
英文摘要	We present a search for the rare leptonic decays B+ -> e(+)nu(e) and B+ -> mu(+) nu(mu) using the full Upsilon(4S) data sample of 772 x 10(6) B (B) over bar pairs collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. One of the B mesons from the Upsilon(4S) -> B (B) over bar decay is fully reconstructed in a hadronic mode, while the recoiling side is analyzed for the signal decay. We find no evidence of a signal in any of the decay modes. Upper limits of the corresponding branching fractions are determined as beta(B+ -> e(+)nu(e)) < 3.5 x 10(-6) and beta(B+ -> mu(+)nu(mu)) < 2.7 x 10(-6) at 90% confidence level.
学科主题	Astronomy & Astrophysics; Physics
类目[WOS]	Astronomy & Astrophysics ; Physics, Particles & Fields
收录类别	SCI
WOS记录号	WOS:000351427800003
公开日期	2016-05-03
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/228225]
专题	高能物理研究所_实验物理中心
推荐引用方式 GB/T 7714	Belle Collaboration. Search for B+ -> e(+)nu(e) and B+ -> mu(+)nu(mu) decays using hadronic tagging[J]. PHYSICAL REVIEW D,2015,91(5):52016.
APA	Belle Collaboration.(2015).Search for B+ -> e(+)nu(e) and B+ -> mu(+)nu(mu) decays using hadronic tagging.PHYSICAL REVIEW D,91(5),52016.
MLA	Belle Collaboration."Search for B+ -> e(+)nu(e) and B+ -> mu(+)nu(mu) decays using hadronic tagging".PHYSICAL REVIEW D 91.5(2015):52016.