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Next-to-Next-to-Leading Order Calculation of Valence Quark Polarization in the Valon Model

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Abstract

We used the “valon model” to study the valence quarks polarization inside nucleon at Next-to-Next-to-leading order (NNLO) approximation. The results show a good agreement with available experimental data and also with those from global analysis presented in Taghavi-Shahri et al. (Phy. Rev. D 93, 114024, 2016).

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Acknowledgments

The authors would like to thank F.Arash for carefully reading the manuscript, fruitful discussion, and critical remarks. This work is supported by Ferdowsi University of Mashhad under Grant No. 2/43305, 1396/02/26.

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Authors and Affiliations

  1. Department of Physics, Ferdowsi University of Mashhad, P.O. Box 1436, Mashhad, Iran

    F. Taghavi-Shahri & Z. Alizadeh Yazdi

  2. Independent Researcher, P.O. Box 1149-834413, Tehran, Iran

    S. Atashbar Tehrani

Authors
  1. F. Taghavi-Shahri
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  2. Z. Alizadeh Yazdi
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  3. S. Atashbar Tehrani
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Correspondence to F. Taghavi-Shahri.

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Taghavi-Shahri, F., Yazdi, Z.A. & Tehrani, S.A. Next-to-Next-to-Leading Order Calculation of Valence Quark Polarization in the Valon Model. Int J Theor Phys 58, 157–166 (2019). https://doi.org/10.1007/s10773-018-3920-2

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  • DOI: https://doi.org/10.1007/s10773-018-3920-2

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