Observation of the decay B{sup 0}{yields}D{sub s}{sup +}{lambda}p
Journal Article
·
· Physical Review. D, Particles Fields
- Institute for Theoretical and Experimental Physics, Moscow (Russian Federation)
- High Energy Accelerator Research Organization (KEK), Tsukuba (Japan)
We report the first observation of the decay B{sup 0}{yields}D{sub s}{sup +}{lambda}p with a statistical significance of 6.6{sigma}. We measure B(B{sup 0}{yields}D{sub s}{sup +}{lambda}p)=(2.9{+-}0.7{+-}0.5{+-}0.4)x10{sup -5}, where the first error is statistical, the second is systematic, and the third error comes from the uncertainty in B(D{sub s}{sup +}{yields}{phi}{pi}{sup +}). The data used for this analysis was accumulated at the {upsilon}(4S) resonance, using the Belle detector at the KEKB asymmetric-energy e{sup +}e{sup -} collider. The integrated luminosity of the data sample is 414 fb{sup -1}, corresponding to 449x10{sup 6} BB pairs.
- OSTI ID:
- 21027663
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 5 Vol. 76; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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