Update on transversity and Collins functions from SIDIS and e+ e- data

M. Anselmino; M. Boglione; U. D'Alesio; A. Kotzinian; F. Murgia; A. Prokudin; S. Melis

doi:10.1016/j.nuclphysbps.2009.03.117

Update on transversity and Collins functions from SIDIS and e⁺ e^- data

M. Anselmino, M. Boglione, U. D'Alesio, A. Kotzinian, F. Murgia, A. Prokudin, S. Melis

Division of Science (Berks)

Research output: Contribution to journal › Article › peer-review

216 Scopus citations

Abstract

We present an update of a previous global analysis of the experimental data on azimuthal asymmetries in semi-inclusive deep inelastic scattering (SIDIS), from the HERMES and COMPASS Collaborations, and in e⁺ e^- → h₁ h₂ X processes, from the Belle Collaboration. Compared to the first extraction, a more precise determination of the Collins fragmentation function and the transversity distribution function for u and d quarks is obtained.

Original language	English (US)
Pages (from-to)	98-107
Number of pages	10
Journal	Nuclear Physics B - Proceedings Supplements
Volume	191
Issue number	C
DOIs	https://doi.org/10.1016/j.nuclphysbps.2009.03.117
State	Published - Jun 2009

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics

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10.1016/j.nuclphysbps.2009.03.117

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title = "Update on transversity and Collins functions from SIDIS and e+ e- data",

abstract = "We present an update of a previous global analysis of the experimental data on azimuthal asymmetries in semi-inclusive deep inelastic scattering (SIDIS), from the HERMES and COMPASS Collaborations, and in e+ e- → h1 h2 X processes, from the Belle Collaboration. Compared to the first extraction, a more precise determination of the Collins fragmentation function and the transversity distribution function for u and d quarks is obtained.",

author = "M. Anselmino and M. Boglione and U. D'Alesio and A. Kotzinian and F. Murgia and A. Prokudin and S. Melis",

note = "Funding Information: U.D. would like to thank the organizers of this very interesting workshop for their kind hospitality. We acknowledge the support of the European Community - Research Infrastructure Activity under the FP6 “Structuring the European Research Area” program (HadronPhysics, RII3-CT-2004-506078). M.A., M.B., and A.P. acknowledge partial support by MIUR under PRIN 2006 and by the Helmholtz Association through funds provided to the virtual institute “Spin and strong QCD”(VH-VI-231).",

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doi = "10.1016/j.nuclphysbps.2009.03.117",

language = "English (US)",

volume = "191",

pages = "98--107",

journal = "Nuclear Physics B - Proceedings Supplements",

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publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Update on transversity and Collins functions from SIDIS and e+ e- data

AU - Anselmino, M.

AU - Boglione, M.

AU - D'Alesio, U.

AU - Kotzinian, A.

AU - Murgia, F.

AU - Prokudin, A.

AU - Melis, S.

N1 - Funding Information: U.D. would like to thank the organizers of this very interesting workshop for their kind hospitality. We acknowledge the support of the European Community - Research Infrastructure Activity under the FP6 “Structuring the European Research Area” program (HadronPhysics, RII3-CT-2004-506078). M.A., M.B., and A.P. acknowledge partial support by MIUR under PRIN 2006 and by the Helmholtz Association through funds provided to the virtual institute “Spin and strong QCD”(VH-VI-231).

PY - 2009/6

Y1 - 2009/6

N2 - We present an update of a previous global analysis of the experimental data on azimuthal asymmetries in semi-inclusive deep inelastic scattering (SIDIS), from the HERMES and COMPASS Collaborations, and in e+ e- → h1 h2 X processes, from the Belle Collaboration. Compared to the first extraction, a more precise determination of the Collins fragmentation function and the transversity distribution function for u and d quarks is obtained.

AB - We present an update of a previous global analysis of the experimental data on azimuthal asymmetries in semi-inclusive deep inelastic scattering (SIDIS), from the HERMES and COMPASS Collaborations, and in e+ e- → h1 h2 X processes, from the Belle Collaboration. Compared to the first extraction, a more precise determination of the Collins fragmentation function and the transversity distribution function for u and d quarks is obtained.

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DO - 10.1016/j.nuclphysbps.2009.03.117

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VL - 191

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JO - Nuclear Physics B - Proceedings Supplements

JF - Nuclear Physics B - Proceedings Supplements

IS - C

ER -

Update on transversity and Collins functions from SIDIS and e⁺ e^- data

Abstract

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