20 citations · 67 across the 16 of their papers we have counts for
17 papers · 1 filter
Leptogenesis and Dirac neutrino masses in SO(10)
R. Aleksan, L. Oliver
Within the scheme of Baryogenesis through Leptogenesis in the single flavor approximation, we emphasize the role of the Dirac neutrino mass in the SO(10) Grand Unification sc…
Remarks on the penguin decay with prospects for FCCee
R. Aleksan, L. Oliver
We underline the theoretical interest of the vector-vector penguin decay , very clean from the experimental point of view. The CP-violation asymmetry com…
Study of CP violation in decays to at FCCee
R. Aleksan, L. Oliver, E. Perez
The great progress made recently in the sector of Flavor Physics has enabled to establish CP violation in the B-meson decays. The unitarity triangle derived from the unitarity rela…
Heavy baryon wave functions, Bakamjian-Thomas approach to form factors, and observables in transitions
D. Bečirević, A. Le Yaouanc, V. Morénas +1
Motivated by the calculation of observables in the decays , as tests of Lepton Flavor Universality, we present a calculati…
Simple operator formulation of the Bakamjian-Thomas approach to heavy quark current , with generalisation to HQET, and with applications to transitions of Lambda-b
Damir Becirevic, Vincent Morenas, Alain Le-Yaouanc +1
Starting from the general formulation of current matrix elements in the Bakamjian-Thomas (BT) approach to quark models, certain aspects of their heavy quark limit are exhibited in…
Unexpected pattern of transitions to radial excitations by heavy quark current
Damir Bečirević, Alain Le Yaouanc, Luis Oliver +1
Motivated by the claimed possibility of a large contribution of the first radial excitation of the to the semileptonic decay into charmed mesons, also invoked to…
decays to radially excited mesons in Heavy Quark Effective Theory
Damir Bečirević, Alain Le Yaouanc, Luis Oliver
Semileptonic transitions , where is a radially excited meson, have recently attracted much attention as a way to un…
Lepton mixing in gauge models
Domenico Falcone, Luis Oliver
We reexamine lepton mixing in gauge models by considering two theories within the type I seesaw mechanism, the Extended Standard Model, i.e. SU(2)_L \times U(1)_Y with singlet righ…
Isgur-Wise functions, Bjorken-Uraltsev Sum Rules and their Lorentz group interpretation, In Memoriam Nikolai Uraltsev
Luis Oliver, Jean-Claude Raynal
In the heavy quark limit of QCD, using the Operator Product Expansion and the non-forward amplitude, as proposed by Nikolai Uraltsev, we formulate sum rules that generalize Bjorken…
Proposal to study transitions
Damir Becirevic, Alain Le Yaouanc, Luis Oliver +3
It is proposed to clear some of the puzzles of B decay to the broad states by studying the corresponding decay with strange states $B_s^0 \to D_{s0}^{\ast -} π…
New results on the baryon decay Lambda_b -> Lambda_c ell nu in Heavy Quark Effective Theory
F. Jugeau, Yu Jia, L. Oliver
The baryon differential spectrum of the baryon decay will be measured in detail at LHCb. We obtain new results on the form factors in the heavy quark…
Seesaw model in SO(10) with an upper limit on right-handed neutrino masses
M. Abud, F. Buccella, D. Falcone +1
In the framework of SO(10) gauge unification and the seesaw mechanism, we show that the upper bound on the mass of the heaviest right-handed neutrino G…
Baryogenesis via leptogenesis from quark-lepton symmetry\par and a compact heavy spectrum
F. Buccella, D. Falcone, L. Oliver
By demanding a compact spectrum for the right-handed neutrinos and an approximate quark-lepton symmetry inspired from SO(10) gauge unification (assuming a Dirac neutrino mass matri…
Sum rules for leading and subleading form factors in Heavy Quark Effective Theory using the non-forward amplitude
F. Jugeau, A. Le Yaouanc, L. Oliver +1
Within the OPE, we the new sum rules in Heavy Quark Effective Theory in the heavy quark limit and at order 1/m_Q, using the non-forward amplitude. In particular, we obtain new sum…
Lagrangian perturbations at order 1/m and the non-forward amplitude in Heavy Quark Effective Theory
F. Jugeau, A. Le Yaouanc, L. Oliver +1
We pursue the program of the study of the non-forward amplitude in HQET. We obtain new sum rules involving the elastic subleading form factors at order $1/m…
Subleading form factors at order 1/m_Q in terms of leading quantities using the non-forward amplitude in HQET
F. Jugeau, A. Le Yaouanc, L. Oliver +1
We consider the non-forward amplitude within the Heavy Quark Effective theory. We show that one can obtain new information on the subleading corrections in 1/m_Q. We illustrate the…
Measuring with B transitions
R. Aleksan, M. Zito, A. Le Yaouanc +3
We propose the determination of the CKM matrix element by the measurement of the spectrum of , dominated by the spectator quark model mechanism $\bar{b}…