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The 1/N Expansion for Baryons
Roger Dashen, Elizabeth Jenkins, Aneesh V. Manohar
A systematic expansion in 1/N is constructed for baryons in QCD. Predictions of the 1/N expansion at leading and subleading order for baryon axial current coupling constant ratios…
Inclusive Semileptonic B and Polarized Lambda_b Decays from QCD
Aneesh V. Manohar, Mark B. Wise
The differential decay spectrum for the semileptonic decay of an unpolarized hadron containing a b-quark, and the decay spectrum for polarize…
1/N Corrections to the Baryon Axial Currents in QCD
Roger Dashen, Aneesh V. Manohar
We prove that the 1/N corrections to the baryon axial current matrix elements are proportional to their lowest order values. This implies that the first correction to axial current…
Baryon-Pion Couplings from Large-N QCD
Roger Dashen, Aneesh V. Manohar
We derive a set of consistency conditions for the pion-baryon coupling constants in the large-N limit of QCD. The consistency conditions have a unique solution which are precisely…
Chiral Perturbation Theory
Aneesh V. Manohar
The basic ideas and power counting rules of chiral perturbation theory are discussed. The formalism of velocity dependent fields for baryons, and for hadrons containing a heavy qua…