Charm structure functions and gluon shadowing effects with the AdS/CFT model

WANG Hong-Min; HOU Zhao-Yu; LIU Jia-Fu; SUN Xian-Jing

doi:10.1088/1674-1137/36/8/002

Chinese Physics C> 2012, Vol. 36> Issue(8) : 691-696 DOI: 10.1088/1674-1137/36/8/002

Charm structure functions and gluon shadowing effects with the AdS/CFT model

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Abstract：
By means of the UGD function extracted from an AdS/CFT inspired saturation model, the charm and bottom structure functions are studied in fixed-order perturbation theory. It is shown that the theoretical results are in good agreement with the recent HERA data. Then, this UGD function is also used to investigate net-kaon rapidity distribution in Au+Au collisions at RHIC energies and the theoretical results fit well to the BRAHMS data. In the end of this paper, we give the predicted results for nuclear charm structure function at very small x where the popular shadowing parameterizations are invalid.

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Gelis F. Nucl. Phys. A, 2011, 854: 10[2] Golec-Biernat K, Wusthoff M. Phys. Rev. D, 1999, 60: 114023[3] Iancu E, Itakura K, Munier S. Phys. Lett. B, 2004, 590: 199[4] Watt G, Kowalski H. Phys. Rev. D, 2008, 78: 014016[5] Soyez G. Phys. Lett. B, 2007, 655: 32[6] Kowalski H, Teaney D. Phys. Rev. D, 2003, 68: 114005[7] Kovchegov Y V, LU Z, Rezaeian H. Phys. Rev. D, 2009, 80: 074023[8] Kharzeev D, Levin E, Nardi M. Nucl. Phys. A, 2004, 730: 448[9] Mehtar-Tani Y, Wolschin G. Phys. Rev. C, 2009, 80: 054905[10] Mehtar-Tani Y, Wolschin G. Phys. Rev. Lett., 2009, 102: 182301[11] Eskola K J, Paukkunen H, Salgado C A. JHEP, 2008, 0807: 102[12] de Florian D, Sassot R. Phys. Rev. D, 2004, 69: 074028[13] Deshpande A, Milner R, Venugopalan R et al. Ann. Rev. Nucl. Part. Sci., 2005, 55: 165[14] Dainton J B et al. JINST, 2006, 1: P10001[15] Glück M, Reya E, Stratmann M. Nucl. Phys. B, 1994, 422: 37[16] Glück M, Reya E, Vogt A. Z. Phys. C, 1995, 67: 433[17] Kretzer S, LAI H L, Olness F I et al. Phys. Rev. D, 2004, 69: 114005[18] Martin A D, Roberts R G, Stirling W J et al. Eur. Phys. J. C, 2004, 35: 325[19] Armesto N. 2003, hep-ph/0305057[20] WANG H M, HOU Z Y, LIU J F et al. Commun. Theor. Phys., 2011, 56: 307[21] WANG H M, HOU Z Y, LIU J F et al. J. Phys. G, 2011, 38: 115003[22] Bartels J, Golec-Biernat K, Kowalski H. Phys. Rev. D, 2002, 66: 014001[23] Kugeratski M S, Goncalves V P, Navarra F S. Eur. Phys. J. C, 2006, 46: 413[24] WANG H M, HOU Z Y, WANG X T et al. Chin. Phys. C (HEP NP), 2011, 35: 255[25] ZEUS collaboration. Phys. Rev. D, 2004, 69: 012004[26] ZEUS collaboration. Eur. Phys. J. C, 2000, 12: 35[27] H1 collaboration. Eur. Phys. J. C, 2010, 65: 89[28] BRAHMS collaboration. Phys. Rev. Lett., 2005, 94: 162301[29] Hirai M, Kumano S, Nagai T H. Phys. Rev. C, 2007, 76: 065207[30] Kuhhman A, Heinz U, Kovchegov Y V. Phys. Lett. B, 2006, 638: 171

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WANG Hong-Min, HOU Zhao-Yu, LIU Jia-Fu and SUN Xian-Jing. Charm structure functions and gluon shadowing effects with the AdS/CFT model[J]. Chinese Physics C, 2012, 36(8): 691-696. doi: 10.1088/1674-1137/36/8/002

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Received: 2011-11-15
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Charm structure functions and gluon shadowing effects with the AdS/CFT model

Corresponding author: WANG Hong-Min,

Received Date: 2011-11-15

Accepted Date: 1900-01-01

Available Online: 2012-08-05

Abstract: By means of the UGD function extracted from an AdS/CFT inspired saturation model, the charm and bottom structure functions are studied in fixed-order perturbation theory. It is shown that the theoretical results are in good agreement with the recent HERA data. Then, this UGD function is also used to investigate net-kaon rapidity distribution in Au+Au collisions at RHIC energies and the theoretical results fit well to the BRAHMS data. In the end of this paper, we give the predicted results for nuclear charm structure function at very small x where the popular shadowing parameterizations are invalid.

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Charm structure functions and gluon shadowing effects with the AdS/CFT model

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