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Related papers: Chiral-Odd Generalized Parton Distributions, Trans…

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We derive the overlap representation of chiral-odd generalized parton distributions using the Fock-state decomposition in the transverse-spin basis. This formalism is applied to the case of light-cone wave functions in a constituent quark…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Pasquini , M. Pincetti , S. Boffi

We present the general framework to calculate chiral-odd generalized parton distributions in the overlap representation using the Fock-state decomposition in the transverse spin basis. In the forward limit we derive the transversity…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Pincetti , B. Pasquini , S. Boffi

The unpolarized, helicity and transversity distributions of quarks in the proton are calculated in the overlap representation of light-cone wavefunctions truncated to the lowest order Fock-space components with three valence quarks. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Pasquini , M. Pincetti , S. Boffi

Estimates are given for the double spin asymmetry in lepton-pair production from collisions of transversely polarized protons and antiprotons for the kinematics of the recently proposed PAX experiment at GSI on the basis of predictions for…

High Energy Physics - Phenomenology · Physics 2017-08-23 A. V. Efremov , K. Goeke , P. Schweitzer

We show how generalized quark distributions in the nucleon describe the density of polarized quarks in the impact parameter plane, both for longitudinal and transverse polarization of the quark and the nucleon. This density representation…

High Energy Physics - Phenomenology · Physics 2009-01-07 M. Diehl , Ph. Hagler

We discuss the recent interpretation of quark distribution functions in the plane transverse to the light-cone direction. Such a mapping is model independent and allows one to build multidimensional pictures of the hadron and to develop a…

High Energy Physics - Phenomenology · Physics 2017-08-23 C. Lorcé , B. Pasquini , M. Vanderhaeghen

Generalized parton distributions describe the distribution of partons in the transverse plane. For transversely polarized quarks and/or nucleons, these impact parameter dependent parton distributions are not axially symmetric. These…

High Energy Physics - Phenomenology · Physics 2008-11-26 Matthias Burkardt

Estimates are given for the double spin asymmetry in lepton-pair production from collisions of transversely polarized protons and antiprotons for the kinematics of the recently proposed PAX experiment at GSI on the basis of predictions for…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. V. Efremov , O. V. Teryaev , P. Zavada

The feasibility of measuring chiral-odd parton distribution functions in polarized Drell-Yan and semi-inclusive experiments has renewed theoretical interest in their study. Models of hadron structure have proven succesful in describing the…

High Energy Physics - Phenomenology · Physics 2009-10-30 Sergio Scopetta , Vicente Vento

We present a consistent calculation of the structure functions within a light-front constituent quark model of the nucleon. Relativistic effects and the relevance of the covariance constraints are analyzed for polarized parton…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Faccioli , F. Cano , M. Traini , V. Vento

We describe a new way to access the chiral odd transversity parton distribution in the proton through the photoproduction of lepton pairs on transversely polarized target. The basic ingredient is the interference of the Bethe Heitler or…

High Energy Physics - Phenomenology · Physics 2011-04-22 B. Pire , L. Szymanowski

We present a study of the chiral-odd generalized parton distributions for $u$ and $d$ quarks in a proton using the light front wave functions of the scalar quark-diquark model for nucleon constructed from the soft-wall AdS/QCD…

High Energy Physics - Phenomenology · Physics 2015-10-13 Dipankar Chakrabarti , Chandan Mondal

We describe a new way to access the chiral odd transversity parton distribution in the proton through the photoproduction of lepton pairs. The basic ingredient is the interference of the usual Bethe Heitler or Drell-Yan amplitudes with the…

High Energy Physics - Phenomenology · Physics 2009-09-02 B. Pire , L. Szymanowski

Transversity generalized parton distributions (GPDs) appear as scalar functions in the decomposition of off-forward quark-quark and gluon-gluon correlators with a parton helicity flip. For a spin 1 hadron, we find 9 transversity GPDs for…

High Energy Physics - Phenomenology · Physics 2018-10-24 W. Cosyn , B. Pire

We present next-to-leading order predictions for double transverse-spin asymmetries in Drell--Yan dilepton production initiated by proton--antiproton scattering. The kinematic region of the proposed PAX experiment at GSI:…

High Energy Physics - Phenomenology · Physics 2009-09-29 Vincenzo Barone , Alessandro Cafarella , Claudio Coriano' , Marco Guzzi , Philip Ratcliffe

The feasibility of measuring chiral-odd parton distribution functions in polarized Drell-Yan and semi-inclusive experiments has renewed theoretical interest in their study. Not long ago we presented an analysis of the transversity…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sergio Scopetta , Vicente Vento

We study the spin-dependent quark distributions at large transverse momentum. We derive their transverse momentum behaviors in the collinear factorization approach in this region. We further calculate the angular distribution of the…

High Energy Physics - Phenomenology · Physics 2013-05-29 Jian Zhou , Feng Yuan , Zuo-Tang Liang

We investigate the chiral odd generalized parton distributions (GPDs) for the quantum fluctuations of an electron in QED. The light-front wave function (LFWF) of this system gives a template for the quark spin-one diquark structure of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Harleen Dahiya , Asmita Mukherjee

Estimates are given for the double spin asymmetry in lepton pair production from collisions of transversely polarized protons and antiprotons for the kinematics of the recently proposed PAX experiment at GSI on the basis of predictions for…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. V. Efremov , K. Goeke , P. Schweitzer

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
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