Asymmetries involving dihadron fragmentation functions: from DIS to e+ e- annihilation
Journal Article
·
· Preprint to be distributed
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 evolving the obtained dihadron fragmentation functions, we make predictions for the correlation of the angular distributions of two pion pairs produced in electron-positron annihilations at BELLE kinematics. Our study shows that the combination of two-hadron inclusive deep-inelastic scattering and electron-positron annihilation measurements can provide a valid alternative to Collins effect for the extraction of the quark transversity distribution in the nucleon.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-060R23177
- OSTI ID:
- 956250
- Report Number(s):
- JLAB-THY-08-917; 0812.0611; DOE/OR/23177-0559; TRN: US1004965
- Journal Information:
- Preprint to be distributed, Journal Name: Preprint to be distributed
- Country of Publication:
- United States
- Language:
- English
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