99 citations · 689 across the 13 of their papers we have counts for
4 papers · 1 filter
Theoretical Aspects of the Heavy Quark Expansion
N. Uraltsev
I give a brief outline of the theoretical framework for the modern treatment of the strong interaction effects in heavy quark decays, based on first principles of QCD. This model-i…
Chiral Symmetry Breaking, Duality in the \bar{Q}q Channel and b -> c anti-c s Decays
B. Blok, M. Shifman, N. Uraltsev
We address the issue of the quark-hadron duality in the spectral densities induced by the heavy-light quark currents anti-Q q. In the limit m_Q ->oo, m_q ->0 we observe an enhancem…
Operator Product Expansion, Heavy Quarks, QCD Duality and its Violations
Boris Chibisov, R. David Dikeman, M. Shifman +1
The quark (gluon)-hadron duality constitutes a basis for the theoretical treatment of a wide range of inclusive processes -- from hadronic τdecays and R_{e^+e^-}, to semileptonic a…
On the Problem of Boosting Nonleptonic b Baryon Decays
N. G. Uraltsev
The constituent picture of hadrons implies certain quantum mechanical inequalities which must hold in the potential models. Basing on this qualitative consideration I argue that it…