TY - GEN
T1 - Spin dependent fragmentation functions at belle
AU - Ogawa, A.
AU - Grosse Perdekamp, Matthias
AU - Seidl, R.
PY - 2006
Y1 - 2006
N2 - The measurement of the so far unknown chiral-odd quark transverse spin distribution in either semi-inclusive DIS (SIDIS) or inclusive measurements in pp collisions at RHIC has an additional chiral-odd fragmentation function appearing in the cross section. This chiral-odd fragmentation functions (FF) can for example be the so-called Collins FF 1 or the Interference FF. HERMES 2 has given a first hint that these FFs are nonzero, however in order to measure the transversity one needs these FFs to be precisely known. We have used 29.0 fb-1 of data collected by the Belle experiment at the KEKB e+e- collider to measure azimuthal asymmetries for different charge combinations of pion pairs and thus access the Collins FF.
AB - The measurement of the so far unknown chiral-odd quark transverse spin distribution in either semi-inclusive DIS (SIDIS) or inclusive measurements in pp collisions at RHIC has an additional chiral-odd fragmentation function appearing in the cross section. This chiral-odd fragmentation functions (FF) can for example be the so-called Collins FF 1 or the Interference FF. HERMES 2 has given a first hint that these FFs are nonzero, however in order to measure the transversity one needs these FFs to be precisely known. We have used 29.0 fb-1 of data collected by the Belle experiment at the KEKB e+e- collider to measure azimuthal asymmetries for different charge combinations of pion pairs and thus access the Collins FF.
UR - https://www.scopus.com/pages/publications/84894778877
UR - https://www.scopus.com/pages/publications/84894778877#tab=citedBy
M3 - Conference contribution
AN - SCOPUS:84894778877
SN - 9812568719
SN - 9789812568717
T3 - Deep Inelastic Scattering - Proceedings of the 14th International Workshop, DIS 2006
SP - 675
EP - 678
BT - Deep Inelastic Scattering - Proceedings of the 14th International Workshop, DIS 2006
T2 - 14th International Workshop on Deep Inelastic Scattering and QCD, DIS 2006
Y2 - 20 April 2006 through 24 April 2006
ER -