Nucleon/nuclei polarized structure function, using Jacobi polynomials expansion

Atashbar Tehrani

doi:10.1088/1674-1137/34/9/093

Chinese Physics C> 2010, Vol. 34> Issue(9) : 1534-1537 DOI: 10.1088/1674-1137/34/9/093

Nucleon/nuclei polarized structure function, using Jacobi polynomials expansion

Atashbar Tehrani

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Abstract：
We use the constituent quark model to extract polarized parton distributions and finally polarized nucleon structure function. Due to limited experimental data which do not cover whole (x,Q²) plane and to increase the reliability of the fitting, we employ the Jacobi orthogonal polynomials expansion. It will be possible to extract the polarized structure functions for Helium, using the convolution of the nucleon polarized structure functions with the light cone moment distribution. The results are in good agreement with available
experimental data and some theoretical models.

References

[1]

. Bentza W, Cloet I C, Ito T, Thomas A W, Yazaki K. Prog.Part. Nucl. Phys., 2008, 61: 2382. Khan Y, Melnitchouk W, Kulagin S A. Phys. Rev. C, 2009,79: 0352053. Cio degli Atti C, Scopetta S, Pace E, Salme G. Phys. Rev.C, 1993, 48: 9684. Afnan I R, et al. Phys. Rev. C, 2003, 68: 035201; Bissey F,Guzey V, Strikman M, Thomas A W. Phys. Rev. C, 2002,65: 0643175. For a summary, see Saito K, Tsushima K, Thomas A W,Prog. Part. Nucl. Phys., 2007, 58: 16. Cloet I C, Bentz W, Thomas A W. Phys. Lett. B, 2006,642: 2107. Hwa R C, YANG C B. Phys. Rev. C, 2002, 66: 025204;Hwa R C, YANG C B. Phys. Rev. C, 2002, 66: 0252058. Khorramian A N, Mirjalili A, Tehrani S A. JHEP, 2004,0410: 0629. Lampe B, Reya E. Phys. Rept. , 2000, 332: 110. Tehrani S A, Khorramian A N. JHEP, 2007, 0707: 04811. Kataev A L, Parente G, Sidorov A V. Nucl. Phys. B, 2000,573: 40512. Bluemlein J, Boettcher H. Nucl. Phys. B, 2002, 636: 22513. Asymmetry Analysis Coll. (AAC), Goto Y et al. Phys. Rev.D, 2000, 62: 03401714. Anthony P L et al. Phys. Rev. D, 1996, 54: 662015. ZHENG X et al. Phys. Rev. C, 2004, 70: 065207

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Atashbar Tehrani. Nucleon/nuclei polarized structure function, using Jacobi polynomials expansion[J]. Chinese Physics C, 2010, 34(9): 1534-1537. doi: 10.1088/1674-1137/34/9/093

Atashbar Tehrani. Nucleon/nuclei polarized structure function, using Jacobi polynomials expansion[J]. Chinese Physics C, 2010, 34(9): 1534-1537. doi: 10.1088/1674-1137/34/9/093 shu

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Received: 2010-03-04
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Nucleon/nuclei polarized structure function, using Jacobi polynomials expansion

Received Date: 2010-03-04

Accepted Date: 1900-01-01

Available Online: 2010-09-05

Abstract:

We use the constituent quark model to extract polarized parton distributions and finally polarized nucleon structure function. Due to limited experimental data which do not cover whole (x,Q²) plane and to increase the reliability of the fitting, we employ the Jacobi orthogonal polynomials expansion. It will be possible to extract the polarized structure functions for Helium, using the convolution of the nucleon polarized structure functions with the light cone moment distribution. The results are in good agreement with available
experimental data and some theoretical models.

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Nucleon/nuclei polarized structure function, using Jacobi polynomials expansion

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