Observation concerning the process dependence of the Sivers functions

Kang, Zhong-Bo; Qiu, Jian-Wei; Vogelsang, Werner; Yuan, Feng

doi:10.1103/PhysRevD.83.094001

Title: Observation concerning the process dependence of the Sivers functions

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Authors:: Kang, Zhong-Bo; Qiu, Jian-Wei; Vogelsang, Werner; Yuan, Feng

Publication Date:: 2011-05-02

Sponsoring Org.:: USDOE

OSTI Identifier:: 1099304

Resource Type:: Publisher's Accepted Manuscript

Journal Name:: Physical Review D

Additional Journal Information:: Journal Volume: 83; Journal Issue: 9; Journal ID: ISSN 1550-7998

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

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                    Kang, Zhong-Bo, Qiu, Jian-Wei, Vogelsang, Werner, and Yuan, Feng. Observation concerning the process dependence of the Sivers functions.  United States: N. p., 2011. 
Web.  doi:10.1103/PhysRevD.83.094001.

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                    Kang, Zhong-Bo, Qiu, Jian-Wei, Vogelsang, Werner, & Yuan, Feng. Observation concerning the process dependence of the Sivers functions.  United States.  https://doi.org/10.1103/PhysRevD.83.094001

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                    Kang, Zhong-Bo, Qiu, Jian-Wei, Vogelsang, Werner, and Yuan, Feng. Mon .  
"Observation concerning the process dependence of the Sivers functions".  United States.  https://doi.org/10.1103/PhysRevD.83.094001.

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@article{osti_1099304,

  title        = {Observation concerning the process dependence of the Sivers functions},

  author       = {Kang, Zhong-Bo and Qiu, Jian-Wei and Vogelsang, Werner and Yuan, Feng},

  abstractNote = {},

  doi          = {10.1103/PhysRevD.83.094001},

  journal      = {Physical Review D},

  number       = 9,

  volume       = 83,

  place        = {United States},

  year         = {2011},

  month        = {5}

}

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Observation concerning the process dependence of the Sivers functions

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We study the single transverse spin asymmetries in the single inclusive particle production within the framework of the generalized parton model (GPM). By carefully analyzing the initial- and final-state interactions, we include the process-dependence of the Sivers functions into the GPM formalism. The modified GPM formalism has a close connection with the collinear twist-3 approach. Within the new formalism, we make predictions for inclusive {pi}{sup 0} and direct photon productions at RHIC energies. We find the predictions are opposite to those in the conventional GPM approach.
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