L. Oliver
University of Paris
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Featured researches published by L. Oliver.
Physical Review D | 1999
J. Charles; L. Oliver; J.-C. Raynal; A. Le Yaouanc; O. Pène
We argue that the large energy effective theory (LEET), originally proposed by Dugan and Grinstein, is applicable to exclusive semileptonic, radiative, and rare heavy-to-light transitions in the region where the energy release E is large compared to the strong interaction scale and to the mass of the final hadron, i.e., for
Physics Letters B | 1979
M.B. Gavela; A. Le Yaouanc; L. Oliver; O. Pène; J.-C. Raynal; S. Sood
{q}^{2}
Physics Letters B | 1996
A. Le Yaouanc; L. Oliver; O. Pène; J.-C. Raynal
not close to the zero-recoil point. We derive the effective Lagrangian from the QCD one, and show that in the limit of heavy mass M for the initial hadron and large energy E for the final one, the heavy and light quark fields behave as two-component spinors. Neglecting QCD short-distance corrections, this implies that there are only three form factors describing all the pseudoscalar to pseudoscalar or vector weak current matrix elements. We argue that the dependence of these form factors with respect to M and E should be factorizable, the M dependence
Physical Review D | 1997
V. Morenas; A. Le Yaouanc; L. Oliver; O. Pène; J.-C. Raynal
(\sqrt{M})
Physical Review D | 2007
Sergiy Dubynskiy; A. Le Yaouanc; L. Oliver; J.-C. Raynal; M. B. Voloshin
being derived from the usual heavy quark expansion while the E dependence is controlled by the behavior of the light-cone distribution amplitude near the end point
Journal of High Energy Physics | 2003
Damir Becirevic; Jerome Charles; Alain Le Yaouanc; L. Oliver; O. Pène; J.-C. Raynal
u\ensuremath{\sim}1.
Physical Review D | 2000
A. Le Yaouanc; Dmitri Melikhov; V. Morenas; L. Oliver; O. Pène; J.-C. Raynal
The usual expectation of the
Journal of Mathematical Physics | 1997
A. Le Yaouanc; L. Oliver; J.-C. Raynal
\ensuremath{\sim}(1\ensuremath{-}u)
European Physical Journal C | 1985
Alain Le Yaouanc; L. Oliver; O. Pène; J.-C. Raynal; S. Ono
behavior leads to a
Physics Letters B | 1979
A. Amer; M.B. Gavela; A. Le Yaouanc; L. Oliver
{1/E}^{2}