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Evidence for B¯s0→Λc+Λ¯π
Using 121.4 fb−1 of data collected with the Belle detector at the ϒ(5S) resonance at the KEKB asymmetric-energy e+e− collider, we report evidence for the B¯s0→Λc+Λ¯π− decay mode with a measured branching fraction (3.6±1.1[stat.]−0.5+0.3[syst.]±0.9[Λc+]±0.7[NB¯s0])×10−4 and a significance of 4.4 stan...
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Published in: | Physics letters. B 2013-10, Vol.726 (1-3), p.206-210 |
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Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Online Access: | Get full text |
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Summary: | Using 121.4 fb−1 of data collected with the Belle detector at the ϒ(5S) resonance at the KEKB asymmetric-energy e+e− collider, we report evidence for the B¯s0→Λc+Λ¯π− decay mode with a measured branching fraction (3.6±1.1[stat.]−0.5+0.3[syst.]±0.9[Λc+]±0.7[NB¯s0])×10−4 and a significance of 4.4 standard deviations. This is the first evidence for a baryonic Bs0 decay. |
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ISSN: | 0370-2693 1873-2445 |
DOI: | 10.1016/j.physletb.2013.08.057 |