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Related papers: Realistic estimate of valence transversity from di…

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We present an updated extraction of the transversity parton distribution based on the analysis of pion-pair production in deep-inelastic scattering off transversely polarized targets in collinear factorization. Data for proton and deuteron…

High Energy Physics - Phenomenology · Physics 2015-03-23 Marco Radici , A. Courtoy , Alessandro Bacchetta , Marco Guagnelli

We present preliminary results for an updated extraction of the transversity parton distribution based on the analysis of pion-pair production in deep-inelastic scattering off transversely polarized targets in collinear factorization. Data…

High Energy Physics - Phenomenology · Physics 2015-06-23 Marco Radici , A. Courtoy , Alessandro Bacchetta

We present an extraction of the valence transversity parton distributions based on an analysis of pion-pair production in deep-inelastic scattering off transversely polarized targets. Recently released data for proton and deuteron targets…

High Energy Physics - Phenomenology · Physics 2015-06-12 Alessandro Bacchetta , A. Courtoy , Marco Radici

We summarize the latest achievements about the extraction of the transversity parton distribution and proton tensor charge based on an analysis of pion-pair production in deep-inelastic scattering off transversely polarized targets.…

High Energy Physics - Phenomenology · Physics 2015-06-17 Marco Radici , Alessandro Bacchetta , A. Courtoy

In these proceedings, we propose an extraction of the valence transversity parton distributions. Based on an analysis of pion-pair production in deep-inelastic scattering off transversely polarized targets, this extraction of transversity…

High Energy Physics - Phenomenology · Physics 2013-06-28 A. Courtoy , Alessandro Bacchetta , Marco Radici

We present first observations of the transversity parton distribution based on an analysis of pion-pair production in deep inelastic scattering off transversely polarized targets. The extraction of transversity relies on the knowledge of…

High Energy Physics - Phenomenology · Physics 2011-10-27 Alessandro Bacchetta , A. Courtoy , Marco Radici

Observations of the transversity parton distribution based on an analysis of pion-pair production in deep inelastic scattering off transversely polarized targets are presented. This extraction relies on the knowledge of dihadron…

High Energy Physics - Phenomenology · Physics 2011-06-30 A. Courtoy , Alessandro Bacchetta , Marco Radici

The transversity was recently extracted from data on the production of hadron pairs in semi-inclusive deep-inelastic scattering. This analysis can be conveniently performed in the framework of collinear factorization where the elementary…

High Energy Physics - Phenomenology · Physics 2017-09-04 Marco Radici

We present the first extraction of the transversity distribution in the framework of collinear factorization based on the global analysis of pion-pair production in deep-inelastic scattering off transversely polarized targets and in…

High Energy Physics - Phenomenology · Physics 2018-05-23 Marco Radici , Alessandro Bacchetta

We report on the extraction of dihadron fragmentation functions (DiFF) from the semiinclusive production of two hadron pairs in back-to-back jets in e+e- annihilation. A nonzero asymmetry in the correlation of azimuthal orientations of…

High Energy Physics - Phenomenology · Physics 2012-06-11 A. Courtoy , Alessandro Bacchetta , Marco Radici

We present the first extraction of the transversity distribution based on the global analysis of pion-pair production in deep-inelastic scattering and in proton-proton collisions with one transversely polarized proton. The extraction relies…

High Energy Physics - Phenomenology · Physics 2018-10-02 Marco Radici

We present a point-by-point determination of the valence transversity distributions from two different types of processes: single-hadron production and dihadron production, both in semi-inclusive deep inelastic scattering and e+e-…

High Energy Physics - Phenomenology · Physics 2015-06-23 Anna Martin , Franco Bradamante , Vincenzo Barone

Using a model calculation of dihadron fragmentation functions, we fit the spin asymmetry recently extracted by HERMES for the semi-inclusive pion pair production in deep-inelastic scattering on a transversely polarized proton target. By…

High Energy Physics - Phenomenology · Physics 2009-03-12 Alessandro Bacchetta , Federico A. Ceccopieri , Asmita Mukherjee , Marco Radici

We present calculation on the azimuthal spin asymmetries for pion pair production in semi-inclusive deep inelastic scattering (SIDIS) process at both HERMES and COMPASS kinematics, with transversely polarized proton, deuteron and neutron…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jun She , Yang Huang , Vincenzo Barone , Bo-Qiang Ma

We present a constrained analysis of the valence transversity Parton Distribution Functions from dihadron production in semi-inclusive DIS. While usual extractions of the transversity distributions rely explicitly on the fulfilment of the…

High Energy Physics - Phenomenology · Physics 2020-06-24 J. Benel , A. Courtoy , R. Ferro-Hernandez

We consider the azimuthal correlations of charged hadron pairs with large total transverse momentum and small relative momentum, produced in proton-proton collisions with one transversely polarized proton. One of these correlations directly…

High Energy Physics - Phenomenology · Physics 2016-08-10 Marco Radici , Alessandro M. Ricci , Alessandro Bacchetta , Asmita Mukherjee

A model for dihadron fragmentation functions is briefly outlined, that describes the fragmentation of a quark in two unpolarized hadrons. The parameters are tuned to the output of the PYTHIA event generator for two-hadron semi-inclusive…

High Energy Physics - Phenomenology · Physics 2008-11-26 Marco Radici

Dihadron Fragmentation Functions (DFF) provide a vast amount of information on the intricate details of the parton hadronization process. Moreover, they provide a unique access to the "clean" extraction of nucleon transversity parton…

High Energy Physics - Phenomenology · Physics 2013-12-04 Hrayr H. Matevosyan , Anthony W. Thomas , Wolfgang Bentz

We study the production of hadron pairs in proton-proton collisions, selecting pairs with large total transverse momentum with respect to the beam, and small relative transverse momentum, i.e., belonging to a single jet with large…

High Energy Physics - Phenomenology · Physics 2016-09-06 Alessandro Bacchetta , Marco Radici

A first measurement of the di-hadron interference fragmentation function of light quarks in pion pairs with the Belle detector is presented. The chiral odd nature of this fragmentation function allows the use as a quark polarimeter…

High Energy Physics - Experiment · Physics 2009-12-07 Anselm Vossen , Ralf Seidl , Matthias Grosse-Perdekamp , Martin Leitgab , Akio Ogawa , Kieran Boyle
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