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1997-11-12
1/N_c Expansion of the Heavy Baryon Isgur-Wise Functions
Chun Liu
文献摘要
The 1/N_c expansion of the heavy baryon Isgur-Wise functions is discussed. Because of the contracted SU(2N_f) light quark spin-flavor symmetry, the universality relations among the Isgur-Wise functions of \Lambda_b to \Lambda_c and \Sigma_b^{()} to \Sigma_c^{()} are valid up to the order of 1/N_c^2.
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