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Title: 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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