Reference : First glances at the transversity parton distribution through dihadron fragmentation ...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/127157
First glances at the transversity parton distribution through dihadron fragmentation functions
English
Bacchetta, A. [Dipartimento di Fisica Nucleare e Teorica, Università di Pavia, via Bassi 6, I-27100 Pavia, Italy > INFN Sezione di Pavia, via Bassi 6, I-27100 Pavia, Italy > > >]
Courtoy, Aurore mailto [INFN Sezione di Pavia, via Bassi 6, I-27100 Pavia, Italy > > > > >]
Radici, M. [INFN Sezione di Pavia, via Bassi 6, I-27100 Pavia, Italy > > > > >]
2011
Physical Review Letters
107
1
Yes (verified by ORBi)
International
0031-9007
1079-7114
[en] Deep inelastic scattering ; Fragmentation functions ; Parton distributions ; Polarized targets ; Transversity ; Positron annihilation spectroscopy ; Positrons
[en] 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 dihadron fragmentation functions, which we take from electron-positron annihilation measurements. This is the first attempt to determine the transversity distribution in the framework of collinear factorization. © 2011 American Physical Society.
http://hdl.handle.net/2268/127157
10.1103/PhysRevLett.107.012001

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