204 citations · 723 across the 37 of their papers we have counts for
24 papers · 1 filter
Amplitude analysis of decays in a quasi-two-body QCD factorization approach
J. -P. Dedonder, R. Kamiński, L. Leśniak +2
The decay amplitude is derived within a quasi-two-body QCD factorization framework in terms of kaon form factors and to two-kaon-transition functions…
Dalitz plot studies of decays in a factorization approach
J. -P. Dedonder, R. Kamiński, L. Leśniak +1
The Collaboration data of the process are analyzed within a quasi two-body factorization framework. In earlier studies, assuming tran…
Parametrizations of three-body hadronic - and -decay amplitudes
B. Loiseau, D. Boito, J. -P. Dedonder +4
A short review of our recent work on amplitude parametrizations of three-body hadronic weak and decays is presented. The final states are here composed of three light meson…
Photon or meson formation in decays into
J. -P. Dedonder, B. Loiseau, S. Wycech
The measurements of the decays by the BES Collaboration indicate an enhancement at the threshold which, however, is not present in…
Parametrizations of three-body hadronic - and -decay amplitudes in terms of analytic and unitary meson-meson form factors
D. Boito, J. -P. Dedonder, B. El-Bennich +4
We introduce parametrizations of hadronic three-body and weak decay amplitudes that can be readily implemented in experimental analyses and are a sound alternative to the s…
Dalitz plot analysis of D0 --> K0S pi+ pi- decays in a factorization approach
Leonard Lesniak, Jean-Pierre Dedonder, Robert Kaminski +1
A quasi two-body QCD factorization is used to study the D0 --> K0S pi+ pi decays. The presently available high-statistics Dalitz plot data of this process measured by the Belle and…
Dalitz plot studies of D0 --> K0S pi+ pi- decays in a factorization approach
J. -P. Dedonder, R. Kaminski, L. Lesniak +1
The presently available high-statistics data of the D0 --> K0S pi+ pi- processes measured by the Belle and BABAR Collaborations are analyzed within a quasi two-body QCD factorizati…
Final state strong interaction constraints on weak D0 -> K0S pi+ pi- decay amplitudes
B. Loiseau, J. -P. Dedonder, A. Furman +2
Weak decay tree and annihilation - t-channel W - exchange amplitudes for the D0 -> K0S pi+ pi- process are calculated using quasi two-body QCD factorization approach and unitarity…
Dalitz plot studies of D0 to K0S pi+ pi- decays
L. Lesniak, R. Kaminski, A. Furman +2
The availaible data on the D0 to K0S pi+ pi- decays are analysed in the framework of the quasi two-body QCD factorization approximation. The annihilation, via W-exchange, amplitude…
CP violation and strong pion-pion interactions in the weak B charged decays into three charged pions
B. Loiseau, J. -P. Dedonder, A. Furman +2
An analysis of charged B decay data in a quasi two-body decay into a charged pion plus a S, P,or D state of two charged pions is performed in the QCD factorization framework. The s…
New physics in B_s^0 -> J/ψϕdecays?
B. El-Bennich, J. P. B. C. de Melo, O. Leitner +2
After a brief review of B_s^0 - \bar B_s^0 oscillations, we discuss the weak decays B_s^0 -> J/ψϕand B_s^0 -> J/ψf_0(980) and the ratio R_{f_0/ϕ} of their decay rates in the light…
Are scalar mesons visible in B+- --> pi+pi-pi+- decays?
L. Lesniak, J. -P. Dedonder, A. Furman +2
Two pion effective mass and helicity angle distributions in the charged B-meson decays into three charged pions are studied. The weak decay amplitudes are calculated in the framewo…
S-, P- and D-wave final state interactions and CP violation in B+- --> pi+- pi-+ pi+- decays
J. -P. Dedonder, A. Furman, R. Kaminski +2
We study CP violation and the contribution of the strong pion-pion interactions in the three-body B+- --> pi+- pi-+ pi+- decays within a quasi two-body QCD factorization approach.…
Scalar resonance effects on the B_s - \bar B_s mixing angle
O. Leitner, J. -P. Dedonder, B. Loiseau +1
The and decays are analyzed within generalized QCD factorization including all leading-order corrections in $\alphas$. We point out that th…
K* resonance effects on direct CP violation in B -> pi pi K
O. Leitner, J. -P. Dedonder, B. Loiseau +1
Charged and neutral B decays into two charged pions and a charged or a neutral kaon are analyzed within the QCD factorization scheme where final state interactions before and after…
Scalar resonances in a unitary -wave model for
D. R. Boito, J. -P. Dedonder, B. El-Bennich +2
We propose a model for decays following experimental results which indicate that the two-pion interaction in the -wave is dominated by the scalar resonance…
The Scalar Meson f0(980) in Heavy-Meson Decays
B. El-Bennich, O. Leitner, J. -P. Dedonder +1
A phenomenological analysis of the scalar meson f0(980) is performed that relies on the quasi-two body decays D and Ds -> f0(980)P, with P=pi, K. The two-body branching ratios are…
Modeling electromagnetic form factors of light and heavy pseudoscalar mesons
B. El-Bennich, J. P. B. C. de Melo, B. Loiseau +2
The electromagnetic form factors of light and heavy pseudoscalar mesons are calculated within two covariant constituent-quark models, a light-front and a dispersion relation approa…
The Ground Scalar Nonet and D Decays
Olivier Leitner, Benoit Loiseau, Jean-Pierre Dedonder +1
A short review on light scalar mesons is performed both in experiment and theory. A naive model, constrained by D branching ratios, is derived in order to make predictions on the w…
Scalar meson properties from D-meson decays
B. El-Bennich, O. M. A. Leitner, B. Loiseau +1
Decay amplitudes of D(D_s)->f0(980)X, X=pi, K, are compared to experimental branching ratios with the aim of singling out the poorly known D->f0(980) transition form factor in thes…
Form factors in B->f0(980) and D->f0(980) transitions from dispersion relations
B. El-Bennich, O. M. A. Leitner, B. Loiseau +1
Within the dispersion relation approach we give the double spectral representation for space-like and time-like B-> f_0(980) and D-> f_0(980) transition form factors in the full q^…
Pseudoscalar-scalar transition form factors in covariant light front dynamics
O. M. A Leitner, B. El-Bennich, B. Loiseau +1
In an explicitly covariant light-front formalism, we analyze transition form factors between pseudoscalar and scalar mesons. Application is performed in case of the $B \to f_0(980)…
Meson Production and Bose-Einstein Pion Correlations in High Energy Collisions
F. Cannata, J-P. Dedonder, M. P. Locher
The pion Bose-Einstein correlation parameters determined by OPAL show a weak dependence on pion multiplicity. We argue that the observed increase of the interaction radius, and the…
Coherent state formulation of pion radiation from nucleon antinucleon annihilation
R. D. Amado, F. Cannata, J. -P. Dedonder +2
We assume that nucleon antinucleon annihilation is a fast process leading to a classical coherent pion pulse. We develop the quantum description of such pion waves based on the met…