Sivers function: Sidis data, fits and predictions

M. Anselmino; M. Boglione; U. D’Alesio; A. Kotzinian; F. Murgia; A. Prokudin

doi:10.1142/9789812773272_0022

Sivers function: Sidis data, fits and predictions

M. Anselmino, M. Boglione, U. D’Alesio, A. Kotzinian, F. Murgia, A. Prokudin

Division of Science (Berks)

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Abstract

The most recent data on the weighted transverse single-spin asymmetry (formula Presented) from HERMES and COMPASS collaborations are analysed within LO parton model; all transverse motions are taken into account. Extraction of the Sivers function for u and d quarks is performed. Based on the extracted Sivers functions, predictions for (formula Presented) asymmetries at JLab are given; suggestions for further measurements at COMPASS, with a transversely polarized hydrogen target and selecting favourable kinematical ranges, are discussed. Predictions are also presented for Single Spin Asymmetries (SSA) in Drell-Yan processes at RHIC and GSI.

Original language	English (US)
Title of host publication	Transversity 2005
Subtitle of host publication	Como, Italy, 7-10 September 2005
Publisher	World Scientific Publishing Co.
Pages	188-195
Number of pages	8
ISBN (Electronic)	9789812773272
ISBN (Print)	9812568468, 9789812568465
DOIs	https://doi.org/10.1142/9789812773272_0022
State	Published - Jan 1 2006

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1142/9789812773272_0022

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title = "Sivers function: Sidis data, fits and predictions",

abstract = "The most recent data on the weighted transverse single-spin asymmetry (formula Presented) from HERMES and COMPASS collaborations are analysed within LO parton model; all transverse motions are taken into account. Extraction of the Sivers function for u and d quarks is performed. Based on the extracted Sivers functions, predictions for (formula Presented) asymmetries at JLab are given; suggestions for further measurements at COMPASS, with a transversely polarized hydrogen target and selecting favourable kinematical ranges, are discussed. Predictions are also presented for Single Spin Asymmetries (SSA) in Drell-Yan processes at RHIC and GSI.",

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T1 - Sivers function

T2 - Sidis data, fits and predictions

AU - Anselmino, M.

AU - Boglione, M.

AU - D’Alesio, U.

AU - Kotzinian, A.

AU - Murgia, F.

AU - Prokudin, A.

PY - 2006/1/1

Y1 - 2006/1/1

N2 - The most recent data on the weighted transverse single-spin asymmetry (formula Presented) from HERMES and COMPASS collaborations are analysed within LO parton model; all transverse motions are taken into account. Extraction of the Sivers function for u and d quarks is performed. Based on the extracted Sivers functions, predictions for (formula Presented) asymmetries at JLab are given; suggestions for further measurements at COMPASS, with a transversely polarized hydrogen target and selecting favourable kinematical ranges, are discussed. Predictions are also presented for Single Spin Asymmetries (SSA) in Drell-Yan processes at RHIC and GSI.

AB - The most recent data on the weighted transverse single-spin asymmetry (formula Presented) from HERMES and COMPASS collaborations are analysed within LO parton model; all transverse motions are taken into account. Extraction of the Sivers function for u and d quarks is performed. Based on the extracted Sivers functions, predictions for (formula Presented) asymmetries at JLab are given; suggestions for further measurements at COMPASS, with a transversely polarized hydrogen target and selecting favourable kinematical ranges, are discussed. Predictions are also presented for Single Spin Asymmetries (SSA) in Drell-Yan processes at RHIC and GSI.

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BT - Transversity 2005

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ER -

Sivers function: Sidis data, fits and predictions

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