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Related papers: Probing Transversity GPDs in Photo and Electroprod…

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The chiral-odd generalized parton distribution (GPD), or transversity GPD, of the nucleon can be accessed experimentally through the photo- or electroproduction of two vector mesons on a polarized nucleon target, \gamma^(*) N --> \rho_1…

High Energy Physics - Phenomenology · Physics 2009-01-07 R. Enberg , B. Pire , L. Szymanowski

Electroproduction of two vector mesons with a large rapidity gap between them provides the first feasible selective access to chiral-odd GPDs. The scattering amplitude of the process $ \gamma ^* N \to \rho_L^0 \rho_T^+ N'$ may be…

High Energy Physics - Phenomenology · Physics 2016-09-06 D. Yu. Ivanov , B. Pire , L. Szymanowski , O. V. Teryaev

Photoproduction of a pair of particles with large invariant mass is a natural extension of collinear QCD factorization theorems which have been much studied for deeply virtual Compton scattering and deeply virtual meson production. We…

High Energy Physics - Phenomenology · Physics 2016-04-20 R. Boussarie , B. Pire , L. Szymanowski , S. Wallon

Transversity generalized parton distributions (GPDs) can be probed in diffractive electro- and photoproduction of two vector mesons on a hadron in kinematics where the two vector mesons are separated by a large rapidity gap. We report on…

High Energy Physics - Phenomenology · Physics 2019-07-23 W. Cosyn , B. Pire , L. Szymanowski

Exclusive $\pi^0$ electroproduction from nucleons at large $Q^2$ can be described by Generalized Parton Distributions (GPDs), particularly the chiral odd subset related to transversity. These GPDs can be accessed experimentally from various…

High Energy Physics - Phenomenology · Physics 2009-08-18 Simonetta Liuti , Gary R. Goldstein

The diffractive electro- or photo-production of two mesons separated by a large rapidity gap gives access to generalized parton distributions (GPDs) in a very specific way. First, these reactions allow to easily access the chiral-odd…

High Energy Physics - Phenomenology · Physics 2020-09-10 W. Cosyn , B. Pire , L. Szymanowski

We demonstrate that the chiral-odd transversity generalized parton distributions (GPDs) of the nucleon can be accessed through the exclusive photoproduction process gamma + N -> pi + rho + N', in the kinematics where the meson pair has a…

High Energy Physics - Phenomenology · Physics 2017-08-23 M. El Beiyad , B. Pire , L. Szymanowski , S. Wallon

The chiral-odd transversity generalized parton distributions (GPDs) of the nucleon can be accessed experimentally through the exclusive photoproduction process gamma + N -> pi + rho + N', in the kinematics where the meson pair has a large…

High Energy Physics - Phenomenology · Physics 2010-11-03 M. El Beiyad , B. Pire , M. Segond , L. Szymanowski , S. Wallon

Exclusive pi0 electroproduction from nucleons at large photon virtuality can be described in terms of Generalized Parton Distributions, particularly the chiral odd subset. Chiral odd GPDs are related to transversity and can be accessed…

High Energy Physics - Phenomenology · Physics 2009-08-24 Gary R. Goldstein , Simonetta Liuti

Exclusive $\pi^o$ electroproduction and related processes are suggested to investigate the chiral odd transversity distributions of quarks in the transversely polarized nucleon, $h_1(x)$, and its first moment, the tensor charge. The…

High Energy Physics - Phenomenology · Physics 2007-12-17 Simonetta Liuti , Saeed Ahmad , Gary R. Goldstein , Leonard Gamberg

Estimates for electroproduction of pseudoscalar mesons at small values of skewness are presented. Cross sections and asymmetries for these processes are calculated within the handbag approach which is based on factorization in hard parton…

High Energy Physics - Phenomenology · Physics 2025-01-08 S. V. Goloskokov , P. Kroll

We consider the electroproduction of two vector mesons with a large rapidity gap between them on a nucleon target in the process $ \gamma ^* N \to \rho_1 \rho_2 N'$. We calculate the Born term for this process within the collinear…

High Energy Physics - Phenomenology · Physics 2010-04-05 D. Yu. Ivanov , B. Pire , L. Szymanowski , O. V. Teryaev

Exclusive meson leptoproduction from nucleons in the deeply virtual exchanged boson limit can be described by generalized parton distributions (GPDs). Including spin dependence in the description requires 8 independent quark-parton and…

High Energy Physics - Phenomenology · Physics 2017-08-23 Gary R. Goldstein , Simonetta Liuti

The chiral-odd transversity generalized parton distributions (GPDs) of the nucleon can be accessed experimentally through the exclusive photoproduction process gamma + N -> pi + rho + N', in the kinematics where the meson pair has a large…

High Energy Physics - Phenomenology · Physics 2015-05-18 M. El Beiyad , B. Pire , M. Segond , L. Szymanowski , S. Wallon

While the chiral-even content of the nucleon is better and better studied, the chiral-odd transversity generalized parton distributions (GPDs) remain almost unknown. These GPDs can be accessed experimentally through the exclusive…

High Energy Physics - Phenomenology · Physics 2010-11-22 M. El Beiyad , B. Pire , M. Segond , L. Szymanowski , S. Wallon

The role of transversity or helicity-flip generalized parton distributions (GPDs) in leptoproduction of vector mesons is investigated within the framework of the handbag approach. The transversity GPDs in combination with twist-3 meson wave…

High Energy Physics - Phenomenology · Physics 2015-06-17 S. V. Goloskokov , P. Kroll

The chiral-odd transversity generalized parton distributions of the nucleon can be accessed experimentally through the exclusive photoproduction process gamma N -> pi rhoT N', with or without beam and target polarization, provided the…

High Energy Physics - Phenomenology · Physics 2009-11-17 M. El Beiyad , B. Pire , M. Segond , L. Szymanowski , S. Wallon

Exclusive pi0 electroproduction from nucleons can be related to transversity, the tensor charge, and other quantities related to transversity. This process isolates C-parity odd and chiral odd combinations of t-channel exchange quantum…

High Energy Physics - Phenomenology · Physics 2017-08-23 Gary R. Goldstein , Simonetta Liuti , Saeed Ahmad

Exclusive meson leptoproduction from nucleons in the deeply virtual exchanged boson limit can be described by generalized parton distributions (GPDs). Including spin dependence in the description requires 8 independent quark-parton and…

High Energy Physics - Phenomenology · Physics 2010-11-19 Gary R. Goldstein , Simonetta Liuti

We demonstrate that the transversity chiral odd generalized parton distributions can be accessed through the azimuthal dependence of the nu N -> l D N' or nubar N -> l D N' differential cross sections, in the framework of the colinear QCD…

High Energy Physics - Phenomenology · Physics 2015-10-08 B. Pire , L. Szymanowski
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