O. Leitner

Publication List Details

Period

1989 - 2009

Number

85

Co-Authors

A Global Treatment Of VMD Physics Up To The $\phi$: II. $\tau$ Decay and Hadronic Contributions To $g-2$ (2009)

Benayoun, M., David, P., DelBuono, L., Leitner, O.

Relying on the Hidden Local Symmetry (HLS) model equipped with a mechanism breaking the U(3)/SU(3)/SU(2) symmetries and generating a dynamical vector meson mixing, it has been shown that a global fit...

A Global Treatment Of VMD Physics Up To The $\phi$: I. $e^+e^-$ Annihilations, Anomalies And Vector Meson Partial Widths (2009)

Benayoun, M., David, P., DelBuono, L., Leitner, O.

The HLS Model, equipped with a mechanism providing the breaking of U(3)/SU(3) symmetry and an isospin symmetry breaking leading naturally to vector meson mixing, has been recently shown to...

Scalar resonances in a unitary $\pi-\pi$ $S$-wave model for $D^+ \to \pi^+ \pi^- \pi^+$ (2008)

Boito, D. R., El-Bennich, B., Leitner, O., Loiseau, B.

We propose a model for $D^+ \to \pi^+ \pi^- \pi^+$ decays following experimental results which indicate that the two-pion interaction in the $S$-wave is dominated by the scalar resonances...

The Scalar Meson f0(980) in Heavy-Meson Decays (2008)

El-Bennich, B., Leitner, O., Loiseau, B.

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 deduced from...

The Dipion Mass Spectrum In e+e- Annihilation and tau Decay: A Dynamical (rho0, omega, phi) Mixing Approach (2007)

Benayoun, M., David, P., DelBuono, L., Leitner, O., O'Connell, H. B.

We readdress the problem of finding a simultaneous description of the pion form factor data in e+e- annihilations and in tau decays. For this purpose, we work in the framework of the Hidden Local...

Scalar meson properties from D-meson decays (2007)

El-Bennich, B., Leitner, O., Loiseau, B.

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 these amplitudes. Since...

Resonances and weak interactions in $D^+ \to\pi^+ \pi^- \pi^+$ decays (2007)

Boito, D.R., El-Bennich, B., Loiseau, B., Leitner, O.

We describe the $\pi\pi$ $S$-wave in $D^+ \to\pi^+ \pi^- \pi^+$ decays using a unitary model for the $\pi\pi$ Final State Interactions (FSI). The three body decay is treated as a quasi two-body...

Resonances and weak interactions in $D^+ \to\pi^+ \pi^- \pi^+$ decays (2007)

Boito, D. R., El-Bennich, B., Loiseau, B., Leitner, O.

We describe the $\pi\pi$ $S$-wave in $D^+ \to\pi^+ \pi^- \pi^+$ decays using a unitary model for the $\pi\pi$ Final State Interactions (FSI). The three body decay is treated as a quasi two-body...

Testing Time-Reversal : $\Lambda_b$ Decays into Polarized Resonances (2007)

Ajaltouni, Z.J., Di Salvo, E., Leitner, O.

Weak decays of beauty baryons like Lambda_b into Lambda V(J^P=1^-), where the produced resonances are polarized, offer interesting opportunity to perform tests of Time-Reversal Invariance. This paper...

Testing Time-Reversal: Lambda_b Decays into Polarized Resonances (2007)

Ajaltouni, Z. J., Di Salvo, E., Leitner, O.

Weak decays of beauty baryons like Lambda_b into Lambda V(J^P=1^-), where the produced resonances are polarized, offer interesting opportunity to perform tests of Time-Reversal Invariance. This paper...

Resonances, polarizations and symmetries in Lambda_b decays (2007)

Ajaltouni, Z.J., Di Salvo, E., Leitner, O.

Relativistic polarization offers very interesting opportunities to test fundamental symmetries like Time-Reversal (TR). Starting from simple scattering-matrix relations, supplemented by QCD-inspired...

Resonances, polarizations and symmetries in Lambda_b decays (2007)

Ajaltouni, Z.J., Di Salvo, E., Leitner, O.

Relativistic polarization offers very interesting opportunities to test fundamental symmetries like Time-Reversal (TR). Starting from simple scattering-matrix relations, supplemented by QCD-inspired...

Resonances, polarizations and symmetries in Lambda_b decays (2007)

Ajaltouni, Z.J., Di Salvo, E., Leitner, O.

Relativistic polarization offers very interesting opportunities to test fundamental symmetries like Time-Reversal (TR). Starting from simple scattering-matrix relations, supplemented by QCD-inspired...

Testing CP and Time Reversal Symmetries with $\Lambda_b \to \Lambda V(1-)$ Decays (2006)

Leitner, O., Ajaltouni, Z. J.

In this letter, an overview is given for interesting tests of both CP and Time Reversal symmetries with the beauty baryon $\Lambda_b $. Extensive use of the helicity formalism and HQET is done for...

Testing CP and Time Reversal Symmetries with $\Lambda_b \to \Lambda V(1-)$ Decays (2006)

Leitner, O., Ajaltouni, Z. J.

In this letter, an overview is given for interesting tests of both CP and Time Reversal symmetries with the beauty baryon $\Lambda_b $. Extensive use of the helicity formalism and HQET is done for...

Direct CP violation in $B\to \pi^+\pi^- V$ with $\rho^0 - \omega$ mixing effects: phenomenological approach (2006)

Ajaltouni, Z. J., Leitner, O., Perret, P., Rimbault, C., Thomas, A. W.

We present a detailed study of direct CP violation and branching ratios in the channels $B^{0,\pm} \to \pi^{+}\pi^{-} V^{0,\pm}$, where $V$ is a vector meson ($K^{* 0,\pm}$ or $\rho^{\pm}$). Emphasis...

Testing Fundamental Symmetries with $\Lambda_b \to \Lambda$ -Vector Decay (2006)

Leitner, O., Ajaltouni, Z. A., Conte, E.

Putting together kinematical and dynamical analysis, a complete study of the decay channels $\Lambda_b \to {\Lambda} V(1^-)$, with $\Lambda \to p {\pi}^-$ and $V (J/\psi) \to {\ell}^+ {\ell}^-$ or $V...

Testing Fundamental Symmetries with \Lambda_b \to \Lambda -Vector Decay (2006)

Leitner, O., Ajaltouni, Z. A., Conte, E.

Putting together kinematical and dynamical analysis, a complete study of the decay channels $\Lambda_b \to {\Lambda} V(1^-)$, with $\Lambda \to p {\pi}^-$ and $V (J/\psi) \to {\ell}^+ {\ell}^-$ or $V...

Direct CP violation in B \to \rho^0(\omega) PS (2006)

Leitner, O., Guo, Xin-Heng, Thomas, A. W.

We calculate the direct CP violating asymmetry parameter, $a_{CP}$, for $B \to \pi^{+} \pi^{-} \pi$ and $B \to \pi^{+} \pi^{-} K$ decays, in the case where $\rho^0-\omega$ mixing effects are taken...

Testing Fundamental Symmetries with $\Lambda_b \to \Lambda$ -Vector Decay (2006)

Leitner, O., Ajaltouni, Z. A., Conte, E.

Putting together kinematical and dynamical analysis, a complete study of the decay channels $\Lambda_b \to {\Lambda} V(1^-)$, with $\Lambda \to p {\pi}^-$ and $V (J/\psi) \to {\ell}^+ {\ell}^-$ or $V...

Testing Fundamental Symmetries with $\Lambda_b \to \Lambda$ -Vector Decay (2006)

Leitner, O., Ajaltouni, Z. A., Conte, E.

Putting together kinematical and dynamical analysis, a complete study of the decay channels $\Lambda_b \to {\Lambda} V(1^-)$, with $\Lambda \to p {\pi}^-$ and $V (J/\psi) \to {\ell}^+ {\ell}^-$ or $V...

Testing CP and Time Reversal Symmetries with $\Lambda_b \to \Lambda V(1-)$ Decays (2006)

Leitner, O., Ajaltouni, Z. J.

In this letter, an overview is given for interesting tests of both CP and Time Reversal symmetries with the beauty baryon $\Lambda_b $. Extensive use of the helicity formalism and HQET is done for...

An angular distribution analysis of $\Lambda_b$ decays (2005)

Leitner, O., Ajaltouni, Z.J., Conte, E.

A study of the angular distributions of the processes $\Lambda_b \to {\Lambda} V(1^-)$ with $V ({J/\Psi,\rho}^0)$ is performed. Emphasis is put on the initial $\Lambda_b$ polarization and the...

$\Lambda_b$ Decays into $\Lambda$-Vector (2005)

Ajaltouni, Z.J., Conte, E., Leitner, O.

A complete study of the angular distributions of the processes, $\Lambda_b \to {\Lambda} V(1^-)$, with $\Lambda \to p {\pi}^-$ and $V (J/{\Psi}) \to {\ell}^+ {\ell}^-$ or $V ({\rho}^0,\omega) \to...

An angular distribution analysis of $\Lambda_b$ decays (2005)

Leitner, O., Ajaltouni, Z.J., Conte, E.

A study of the angular distributions of the processes $\Lambda_b \to {\Lambda} V(1^-)$ with $V ({J/\Psi,\rho}^0)$ is performed. Emphasis is put on the initial $\Lambda_b$ polarization and the...

$\Lambda_b$ Decays into $\Lambda$-Vector (2005)

Ajaltouni, Z.J., Conte, E., Leitner, O.

A complete study of the angular distributions of the processes, $\Lambda_b \to {\Lambda} V(1^-)$, with $\Lambda \to p {\pi}^-$ and $V (J/{\Psi}) \to {\ell}^+ {\ell}^-$ or $V ({\rho}^0,\omega) \to...

An angular distribution analysis of $\Lambda_b$ decays (2005)

Leitner, O., Ajaltouni, Z.J., Conte, E.

A study of the angular distributions of the processes $\Lambda_b \to {\Lambda} V(1^-)$ with $V ({J/\Psi,\rho}^0)$ is performed. Emphasis is put on the initial $\Lambda_b$ polarization and the...

$\Lambda_b$ Decays into $\Lambda$-Vector (2005)

Ajaltouni, Z.J., Conte, E., Leitner, O.

A complete study of the angular distributions of the processes, $\Lambda_b \to {\Lambda} V(1^-)$, with $\Lambda \to p {\pi}^-$ and $V (J/{\Psi}) \to {\ell}^+ {\ell}^-$ or $V ({\rho}^0,\omega) \to...

An angular distribution analysis of $\Lambda_b$ decays (2004)

Leitner, O., Ajaltouni, Z. J., Conte, E.

A study of the angular distributions of the processes $\Lambda_b \to {\Lambda} V(1^-)$ with $V ({J/\Psi,\rho}^0)$ is performed. Emphasis is put on the initial $\Lambda_b$ polarization and the...

$\Lambda_b$ Decays into $\Lambda$-Vector (2004)

Ajaltouni, Z. J., Conte, E., Leitner, O.

A complete study of the angular distributions of the processes, $\Lambda_b \to {\Lambda} V(1^-)$, with $\Lambda \to p {\pi}^-$ and $V (J/{\Psi}) \to {\ell}^+ {\ell}^-$ or $V ({\rho}^0,\omega) \to...

Direct CP Violation, Branching Ratios and Form Factors $B \to \pi$, $B \to K$ in $B$ Decays (2004)

Leitner, O., Thomas, A. W.

The $B \to \pi$ and $B \to K$ transitions involved in hadronic B decays are investigated in a phenomenological way through the framework of QCD factorization. By comparing our results with...

Direct CP violation in B decays with $\rho^0 - \omega$ mixing (2004)

Ajaltouni, Z.J., Rimbault, C., Leitner, O., Perret, P., Thomas, A.W.

A complete study of the process B to pi+ pi- V(V=1--) is performed both in the framework of the helicity formalism and the effective lagrangian approach. Emphasis is put on the factorization...

Direct CP Violation in B decays with rho0-omega Mixing (2004)

Ajaltouni, Z. J., Rimbault, C., Leitner, O., Perret, P., Thomas, A. W.

A complete study of the process B to pi+ pi- V(V=1--) is performed both in the framework of the helicity formalism and the effective lagrangian approach. Emphasis is put on the factorization...

Direct CP violation in B decays with $\rho^0 - \omega$ mixing (2004)

Ajaltouni, Z.J., Rimbault, C., Leitner, O., Perret, P., Thomas, A.W.

A complete study of the process B to pi+ pi- V(V=1--) is performed both in the framework of the helicity formalism and the effective lagrangian approach. Emphasis is put on the factorization...

Direct CP violation in B decays with $\rho^0 - \omega$ mixing (2004)

Ajaltouni, Z.J., Rimbault, C., Leitner, O., Perret, P., Thomas, A.W.

A complete study of the process B to pi+ pi- V(V=1--) is performed both in the framework of the helicity formalism and the effective lagrangian approach. Emphasis is put on the factorization...

Simulation Methods of the Processes $B \to \pi^+ \pi^- V$ including $\rho^0-\omega$ Mixing Effects (2003)

Ajaltouni, Z. J., Leitner, O., Perret, P., Rimbault, C., Thomas, A. W.

Simulation methods for the decays $ B \to {\pi}^+ {\pi}^- V$, where $V$ is a $1^{--}$ vector-meson, are presented in detail. Emphasis is put on the use of the helicity formalism and the use of...

QCD Factorization in $B$ Decays into $\rho \pi$ (2003)

Leitner, O., Thomas, A. W.

Based on the QCD factorization approach we analyse the branching ratios for the channel $B \to \rho \pi$. From the comparisons with experimental data provided by CLEO, BELLE and BABAR we constrain...

Direct CP Violation In B --> pi^+ pi^- V With rho^0--omega Mixing Effects: Phenomenological Approach (2003)

Ajaltouni, Z. J., Leitner, O., Perret, P., Rimbault, C., Thomas, A. W.

We present a detailed study of direct CP violation and branching ratios in the channels $B^{0,\pm} \to \pi^{+}\pi^{-} V^{0,\pm}$, where $V$ is a vector meson ($K^{* 0,\pm}$ or $\rho^{\pm}$). Emphasis...

$B^0(\pm)$ decays into two vector mesons. Physical motivations and a general method for simulations (2003)

Ajaltouni, Ziad J, Leitner, O, Rimbault, C

In this paper, a complete description of the channels $B \to V_1 V_2$ is given. Emphasis is put on the determination of the dynamical density matrix which elements are computed according to the...

$B^0(\pm)$ decays into two vector mesons. Physical motivations and a general method for simulations (2003)

Ajaltouni, Ziad J, Leitner, O, Rimbault, C

In this paper, a complete description of the channels $B \to V_1 V_2$ is given. Emphasis is put on the determination of the dynamical density matrix which elements are computed according to the...

$B^0(\pm)$ decays into two vector mesons. Physical motivations and a general method for simulations (2003)

Ajaltouni, Z. J., Leitner, O., Rimbault, C.

In this paper, a complete description of the channels $B \to V_1 V_2$ is given. Emphasis is put on the determination of the dynamical density matrix which elements are computed according to the...

Direct CP Violation In B --> pi^+ pi^- V With rho^0--omega Mixing Effects: Phenomenological Approach (2003)

Ajaltouni, Z. J., Leitner, O., Perret, P., Rimbault, C., Thomas, A. W.

We present a detailed study of direct CP violation and branching ratios in the channels $B^{0,\\pm} \\to \\pi^{+}\\pi^{-} V^{0,\\pm}$, where $V$ is a vector meson ($K^{* 0,\\pm}$ or $\\rho^{\\pm}$)....

Direct CP violation in $B\to \pi^+\pi^- V$ with $\rho^0 - \omega$ mixing effects: phenomenological approach (2003)

Ajaltouni, Z. J., Leitner, O., Perret, P., Rimbault, C., Thomas, A. W.

We present a detailed study of direct CP violation and branching ratios in the channels $B^{0,\pm} \to \pi^{+}\pi^{-} V^{0,\pm}$, where $V$ is a vector meson ($K^{* 0,\pm}$ or $\rho^{\pm}$). Emphasis...

Direct CP Violation in $B \to \pi^{+} \pi^{-} \pi$: Determination of $\alpha$ without discrete ambiguity (2002)

Leitner, O., Thomas, A. W.

Direct CP violation in the hadronic decays $\Bar{B}^{0} \to \pi^{+}\pi^{-} \pi^{0}$ is investigated near the peak of the $\rho^{0}$ taking into account the effect of $\rho - \omega$ mixing. Branching...

Enhanced direct CP violation in $B^{\pm,0} \to \pi^{+} \pi^{-} K^{\pm,0}$ (2002)

Leitner, O., Thomas, A. W.

We investigate in a phenomenological way, direct CP violation in the hadronic decays $B^{\pm,0} \to \pi^{+} \pi^{-} K^{\pm,0}$ where the effect of $\rho - \omega$ mixing is included. If $N_{c}^{eff}$...

Enhanced direct CP violation in Bop (2001)

Guo, X., Leitner, O., Thomas, Anthony William

We study direct CP violation in the hadronic decay B±→ρ0π±, including the effect of ρ-ω mixing. We find that the CP violating asymmetry is strongly dependent on the CKM matrix elements,...

Enhanced direct CP violation in Bop (2001)

Guo, X., Leitner, O., Thomas, Anthony William

We study direct CP violation in the hadronic decay B±→ρ0π±, including the effect of ρ-ω mixing. We find that the CP violating asymmetry is strongly dependent on the CKM matrix elements,...

Enhanced Direct CP Violation in $B^{\pm} \to \rho^{0} \pi^{\pm}$ (2000)

Leitner, O., Thomas, A. W.

We study direct CP violation in the hadronic decay $B^{\pm} \to \rho^{0}\pi^{\pm}$, including the effect of $\rho - \omega$ mixing. We find that the CP violating asymmetry is strongly dependent on...

Effects in sputtered Y1Ba2Cu3O7-8 films (1989)

Springholz, G., Aichholzer, K., Abt, R., Leising, G., Leitner, O., Kranebitter, P., ...

The fabrication of superconducting Y1Ba2Cu3O7-delta films by d.c. sputter deposition was investigated. The observed compositional deviations of the films from the target composition can be explained...

Doping induced structural changes of oriented trans-polyacetylene. (1989)

Leitner, O., Kahlert, H., Leising, G., Fink, J., Fritzsche, H.

Internat.Conf.on Science and Technology of Synthetic Metals, Santa Fe, N.M., June 26 - July 2, 1988

Mechanistic aspects of the opposing effects of monoclonal antibodies to the ERBB2 receptor on tumor growth.

Stancovski, I, Hurwitz, E, Leitner, O, Ullrich, A, Yarden, Y, Sela, M

The ERBB2 (also called HER2, neu, and c-erbB-2) gene product, which encodes a growth factor receptor, was implicated in the malignancy of human adenocarcinomas. An antibody directed to the rat...

Mechanistic aspects of the opposing effects of monoclonal antibodies to the ERBB2 receptor on tumor growth.

Stancovski, I, Hurwitz, E, Leitner, O, Ullrich, A, Yarden, Y, Sela, M

The ERBB2 (also called HER2, neu, and c-erbB-2) gene product, which encodes a growth factor receptor, was implicated in the malignancy of human adenocarcinomas. An antibody directed to the rat...