The Λb→p semileptonic decay is analyzed by using QCD sum rules within the framework of heavy quark effective theory. The Isgur-Wise function of Λb→plνˉ has been calculated. The decay width is given.
@article{arxiv.hep-ph/9805452,
title = {Decay $\Lambda_b \to p l \bar \nu$ in QCD sum rules},
author = {Chao-Shang Huang and Cong-Feng Qiao and Hua-Gang Yan},
journal= {arXiv preprint arXiv:hep-ph/9805452},
year = {2009}
}
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6 pages Latex file, 4 figures, corrected file forms