中文

Observation of B0bar->Lambda_c+pbar decay

高能物理 - 实验 2008-11-26 v2

摘要

We report the measurement of the charmed baryonic decay B0bar->Lambda_c+pbar with a branching fraction of (2.19^{+0.56}_{-0.49}+-0.32+-0.57)x10^{-5} and a statistical significance of 5.8 sigma. The errors are statistical, systematic, and the error of the Lambda_c+ ->pK-pi+ decay branching fraction. This is the first observation of a two-body baryonic B decay. The analysis is based on 78.2 fb-1 of data accumulated at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric e+e- collider.

关键词

引用

@article{arxiv.hep-ex/0212052,
  title  = {Observation of B0bar->Lambda_c+pbar decay},
  author = {N. Gabyshev and H. Kichimi},
  journal= {arXiv preprint arXiv:hep-ex/0212052},
  year   = {2008}
}

备注

11 pages, 2 figures, submitted to Phys. Rev. Lett