Spin dependent fragmentation functions at BELLE

A. Ogawa; D. Gabbert; M. Grosse-Perdekamp; R. Seidl; K. Hasuko

doi:10.1063/1.2122194

Spin dependent fragmentation functions at BELLE

A. Ogawa, D. Gabbert, M. Grosse-Perdekamp, R. Seidl, K. Hasuko

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

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 or the Interference FF. HERMES has given a first hint that these FFs are nonzero, however in order to measure transversity one needs these FFs to be precisely known. At the Belle e ⁺e^- collider at the KEK-B factory a data set of 29.0 fb^-1 has been used to obtain the Collins function.

Original language	English (US)
Title of host publication	DEEP INELASTIC SCATTERING
Subtitle of host publication	13th International Workshop on Deep Inelastic Scattering; DIS 2005
Pages	949-952
Number of pages	4
DOIs	https://doi.org/10.1063/1.2122194
State	Published - Oct 6 2005
Event	13th International Workshop on Deep Inelastic Scattering; DIS 2005 - Madison, WI, United States Duration: Apr 27 2005 → May 1 2005

Publication series

Name	AIP Conference Proceedings
Volume	792
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	13th International Workshop on Deep Inelastic Scattering; DIS 2005
Country/Territory	United States
City	Madison, WI
Period	4/27/05 → 5/1/05

Keywords

Spin transversity e+e- collins

ASJC Scopus subject areas

General Physics and Astronomy

Online availability

10.1063/1.2122194

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Ogawa, A, Gabbert, D, Grosse-Perdekamp, M, Seidl, R & Hasuko, K 2005, Spin dependent fragmentation functions at BELLE. in DEEP INELASTIC SCATTERING: 13th International Workshop on Deep Inelastic Scattering; DIS 2005. AIP Conference Proceedings, vol. 792, pp. 949-952, 13th International Workshop on Deep Inelastic Scattering; DIS 2005, Madison, WI, United States, 4/27/05. https://doi.org/10.1063/1.2122194

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AU - Gabbert, D.

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AU - Seidl, R.

AU - Hasuko, K.

PY - 2005/10/6

Y1 - 2005/10/6

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 or the Interference FF. HERMES has given a first hint that these FFs are nonzero, however in order to measure transversity one needs these FFs to be precisely known. At the Belle e +e- collider at the KEK-B factory a data set of 29.0 fb-1 has been used to obtain the Collins function.

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 or the Interference FF. HERMES has given a first hint that these FFs are nonzero, however in order to measure transversity one needs these FFs to be precisely known. At the Belle e +e- collider at the KEK-B factory a data set of 29.0 fb-1 has been used to obtain the Collins function.

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Spin dependent fragmentation functions at BELLE

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