Shahin Atashbar Tehrani

IPM - Institute for Research In Fundamental Sciences

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Shahin Atashbar Tehrani


Tel:	+98 21 22809148
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IPM Positions
	Resident Researcher , School of Particles and Accelerator (2008 - 2009 )
Past IPM Positions
	Non Resident Researcher, School of Particles and Accelerator (2007 - 2008) Non Resident Researcher, School of Physics (2003 - 2007) Resident Researcher, School of Physics (1998 - 2003)
Non IPM Affiliations
	Associate Professor of Semnan University
Research Interests
Polarized Structure Function of Hadron in LO and NLO approximation
Related Papers


1.	A. N. Khorramian, H. Khanpour and S. Atashbar Tehrani Nonsinglet parton distribution functions from the precise next-to-next-to-next-to leading order QCD fit Phys. Rev. D 81 (2010), 014013(1)-014013(13) [abstract] Code: IPM/P.A-063


2.	H. Khanpour, A. N. Khorramian, S. Atashbar Tehrani and A. Mirjalili Determination of valance Quark Distributions in Higher Order of Perturbative QCD Acta. Phy. Polonica B 40 (2009), 2971-2975 [abstract] Code: IPM/P.A-062


3.	H . Khanpour, A. N. Khorramian and S. Atashbar Tehrani Pad� approximations and non-singlet structure function up to N3LO ( In: High Energy Physics, EPS-HEP.) [abstract] arXive.org link: Pos(EPS-HEP 2009)393 [ abs, src, ps, others], cited by Code: IPM/P.A-061


4.	A. N. Khorramian and S. Atashbar Tehrani Jacobi polynomials and non-singlet structure function F₂(x,Q²) up to N³LO (Submitted) [abstract] Code: IPM/P.A-060


5.	A. Mirjalili, A. N. Khorramian, S. Atashbar Tehrani and H . Mahdizadeh Saffar Target mass correction for the polarized nucleon structure function Acta Physica B 40 (2009), 2965-2969 [abstract] Code: IPM/P.A-046


6.	M. M . Yazdanpanah, A. Mirjalili, S. Atashbar Tehrani and F. Taghavi Shahri 3He and 3H polarized structure functions, using the constituent quark model Nucl. Phys. A831 (2009), 243-262 [abstract] Code: IPM/P.A-045


7.	A.N. Khorramian, S. Atashbar Tehrani, H . Khanpour and S. Taheri Monfared xF3 structure function based on the associated Jacobi polynomials Hyperfine Interactions 194 (2009), 337-340 [abstract] Code: IPM/P.A-043


8.	A.N. Khorramian, S. Atashbar Tehrani, M. Soleymaninia and S. Batebi FL Structure Function and Heavy Quark Contributions Hyperfine Interactions 194 (2009), 341-345 [abstract] Code: IPM/P.A-042


9.	S. Atashbar Tehrani and A.N. Khorramian Parton Distribution Functions up to NNLO Hyperfine Interactions 194 (2009), 331-335 [abstract] Code: IPM/P.A-041


10.	A.N . Khorramian and S. Atashbar Tehrani Heavy Quark Contributions for Longitudinal Proton Structure Function Applied Mathematics & Information Sciences (2009), 367-373 [abstract] Code: IPM/P.A-040


11.	A. N . Khorramian, S. Atashbar Tehrani and A. Mirjalili Longitudinal heavy quark structure function Nucl. Phys. B Proc. Suppl. 186 (2009), 379-382 [abstract] Code: IPM/P.A-029


12.	A. Mirjalili, A. N. Khorramian and S. Atashbar Tehrani Renormalization group improvement and constituent quark model Nucl. Phys. B Proc. Suppl. 186 (2009), 137-140 [abstract] Code: IPM/P.A-028


13.	S. Atashbar Tehrani and A. N. Khorramian 3-Loops QCD analysis for non-singlet sector of F2 Nucl. Phys. B Proc. Suppl. 186 (2009), 58-61 [abstract] Code: IPM/P.A-008


14.	A. N. Khorramian and S. Atashbar Tehrani NNLO QCD Contributions to the Flavor Non-Singlet Sector of F2(x,Q2) Phys. Rev. D 78 (2008), 074019-074031 [abstract] arXive.org link: arXiv:0805.3063 [ abs, src, ps, others], cited by Code: IPM/P.A-030


15.	A. N. Khorramian and S. Atashbar Tehrani Non-Singlet Sector of Proton and Deuteron Structure Functions AIP CONF PROC 1006 (2008), 118-121 [abstract] Code: IPM/P.A-006


16.	A. N . Khorramian and S. Atashbar Tahrani Non-singlet QCD analysis in the NNLO approximation J. Phys.: Conf. Series 110 (2008), 022022 [abstract] Code: IPM/P.A-003


17.	S. Atashbar Tehrani and A. N. Khorramian QCD Analysis for Nuclear Parton Distributions in the Next to Leading Order ( In: 11th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon, Vol.2, (2008) 20-23) [abstract] arXive.org link: arXiv:0710.2177 [ abs, src, ps, others], cited by Code: IPM/P.A-001


18.	A. N . Khorramian, S. Atashbar Tehrani and M . Ghominejad The Non-singlet QCD Analysis of Parton Distributions up to NNLO based on Jacobi Polynomials Acta Physica B 38 (2007), 3551-3556 [abstract] Code: IPM/P.A-004


19.	A. N. Khorramian and S. Atashbar Tehrani Simple Model for QCD Analysis of the Proton Helicity Structure (Preprint) [abstract] arXive.org link: arXiv:0712.2373 [ abs, src, ps, others], cited by Code: IPM/P.A-002


20.	A. N. Khorramian and S. Atashbar Tehrani The Flavor Symmetry Breaking of Nucleon Sea in the Valon model AIP CONF PROC 915 (2007), 502-505 [abstract] Code: IPM/P-2007/044


21.	A. N. Khorramian and S. Atashbar Tehrani The Jacobi Polynomials QCD Analysis for Proton Spin Structure AIP CONF PROC 915 (2007), 420-423 [abstract] Code: IPM/P-2007/043


22.	S. Atashbar Tehrani and A.N. Khorramian The Jacobi Polynomials QCD Analysis for the Polarized Structure Function JHEP 07 (2007), 048 [abstract] arXive.org link: hep-ph/07052647 [ abs, src, ps, others], cited by Code: IPM/P-2007/035


23.	A.N. Khorramian and S. Atashbar Tehrani The NNLO Non-Singlet QCD Analysis of Parton Distributions Based on Bernstein Polynomials JHEP 03 (2007), 051 [abstract] Code: IPM/P-2007/016


24.	A.N. Khorramian and s. Atashbar Tehrani An Approach to NNLO QCD Analysis of Non-Singlet Structure Function ( In: IPM School and Conference on Hadrn and Lepton Physics, Tehran, 15-20 May 2006) [abstract] arXive.org link: hep-ph/0610172 [ abs, src, ps, others], cited by Code: IPM/P-2007/014


25.	A.N. Khorramian, S. Atashbar Tehrani and A. Mirjalili The Role of Logarithmic Expansions for Nonsinglet QCD Analysis of xF₃ Nucl. Phys. B Proc. Suppl. 174 (2007), 27-30 [abstract] Code: IPM/P-2007/013


26.	A. Mirjalili, A.N. Khorramian and S. Atashbar Tehrani QCD Analysis of Heavy Quarks Production in Hadronic Collisions Nucl. Phys. B Proc. Suppl. 167 (2007), 34-37 [abstract] Code: IPM/P-2007/012


27.	A.N. Khorramian, S. Atashbar Tehrani and A. Mirjalili Non-Singlet Structure Function in The NNLO Approximation Nucl. Phys. B Proc. Suppl. 164 (2007), 34-37 [abstract] Code: IPM/P-2006/052


28.	S. Atashbar Tehrani, A. Mirjalili and A.N. Khorramian EMC Effect And Nuclear Structure Functions Nucl. Phys. B Proc. Suppl. 164 (2007), 30-33 [abstract] arXive.org link: hep-ph/0608217 [ abs, src, ps, others], cited by Code: IPM/P-2006/051


29.	A. Mirjalili, A.N. Khorramian and S. Atashbar Tehrani QCD Analysis Of Flavor-Asymmetry For Polarized Sea Quark Distributions Nucl. Phys. B Proc. Suppl. 164 (2007), 38-41 [abstract] Code: IPM/P-2006/050


30.	A. Mirjalili, S. Atashbar Tehrani and Ali N. Khorramian The Role of Polarized Valons in the Flavor Symmetry Breaking of Nucleon Sea Int. J. Mod. Phys. A 21 (2006), 4599-4615 [abstract] arXive.org link: hep-ph/0608224 [ abs, src, ps, others], cited by Code: IPM/P-2006/001


31.	Ali N. Khorramian, S. Atashbar Tehrani and A. Mirjalili Polarized Constituent Quarks in NLO Approximation Nucl. Phys. B Proc. Suppl. 152 (2006), 83-86 [abstract] Code: IPM/P-2004/045


32.	A. Mirjalili, Ali N. Khorramian and S. Atashbar Tehrani Analysis of b-b bar* Production in Proton-Antiproton Collisions, Using Approach of Complete RG-Improvement* Nucl. Phys. B Proc. Suppl. 152 (2006), 136-139 [abstract] Code: IPM/P-2004/044


33.	Ali N. Khorramian, A. Mirjalili and S. Atashbar Tehrani Quark Distributions and Nucleon Spin Structure Int. J. Mod. Phys. A 20 (2005), 1923-1926 [abstract] Code: IPM/P-2005/067


34.	Ali N. Khorramian, A. Mirjalili and S. Atashbar Tehrani Renormalization Group Analysis in Cross Section of b-Quark Production AIP CONF PROC 756 (2005), 387-389 [abstract] Code: IPM/P-2005/048


35.	A. Mirjalili, Ali N. Khorramian and S. Atashbar Tehrani Determination of QCD Running Coupling Constant in NNLO Approximation, Using Complete RG Improvement Int. J. Mod. Phys. A 20 (2005), 1955-1958 [abstract] Code: IPM/P-2005/047


36.	A. Mirjalili, S. Atashbar Tehrani and Ali N. Khorramian Polarized Parton Distributions in the Approach of Complete Renormalization Group Improvement ( In: Proceedings of 16th International Spin Physics Symposium, SPIN2004, October 10-16, 2004 in Trieste, Italy) [abstract] Code: IPM/P-2005/014


37.	Ali N. Khorramian , A. Mirjalili and S. Atashbar Tehrani Quark-Gloun Helicity and Q² Dependence of Partonic Angular Momentum ( In: Proceedings of 16th International Spin Physics Symposium, SPIN2004, October 10-16, 2004 in Trieste, Italy) [abstract] Code: IPM/P-2005/011


38.	S. Atashbar Tehrani, Ali N. Khorramian and A. Mirjalili Nuclear Parton Densities and Structure Functions Int. J. Mod. Phys. A 20 (2005), 1927-1930 [abstract] arXive.org link: hep-ph/0410365 [ abs, src, ps, others], cited by Code: IPM/P-2005/005


39.	S. Atashbar Tehrani, Ali N. Khorramian and A. Mirjalili QCD Predictions for Spin Dependence of Parton Distributions Commun Theor Phys 43 (2005), 1087-1098 [abstract] Code: IPM/P-2004/049


40.	A. Mirjalili, A.N. Khorramian and S. Atashbar Tehrani Investigating the QCD Scale Dependence of Total Cross Section for Heavy Quark Production in p[`(p)] Collisions ( In: Proceedings of XI Regional Conference on Mathematical Physics, 3-6 May 2004, 69-71, Tehran, Iran) [abstract] Code: IPM/P-2004/090


41.	A.N. Khorramian, A. Mirjalili and S. Atashbar Tehrani The Role of Higher Order Corrections in Determining Polarized Parton Densities in the Nucleon ( In: Proceedings of XI Regional Conference on Mathematical Physics, 3-6 May 2004, p66-68, Tehran, Iran) [abstract] Code: IPM/P-2004/089


42.	Ali N. Khorramian, A. Mirjalili and S. Atashbar Tehrani Next-to-Leading Order Approximation of Polarized Valon and Parton Distributions JHEP 10 (2004), 062 [abstract] Code: IPM/P-2004/054


43.	A. Mirjalili, Ali N. Khorramian and S. Atashbar Tehrani Renormalization and Factorization Scales and Scheme Dependence for Some QCD Observables AIP CONF PROC 717 (2004), 902-906 [abstract] Code: IPM/P-2004/038


44.	Ali N. Khorramian, S. Atashbar Tehrani and A. Mirjalili QCD Analysis of Polarized Structure Functions in Next-to-Leading-Order, Using Improved Valon Model AIP CONF PROC 717 (2004), 897-901 [abstract] Code: IPM/P-2003/063


45.	A. Mirjalili, Ali N. Khorramian and S. Atashbar Tehrani CORGI Approach for Moments of Structure Function in NNLO Approximation (Preprint) [abstract] Code: IPM/P-2003/049


46.	S. Atashbar, Ali N. Khorramian and A. Mirjalili Direct Extraction of Polarized Parton Distributions in The Valon Model, Using Brenstein Polynomials (Preprint) [abstract] Code: IPM/P-2003/012


47.	Ali N. Khorramian, A. Mirjalili and S. Atashbar Tehrani Polarized Parton Distributions Functions in the Valon Model Framework, Using QCD Fits to Brenstein Polynomials ( In: Proceedings of International Workshop on Quantum Chromodynamics-Theory and Experiment - Conversano, Bali, Italy, 14-18 June 2003 (eConf C030614) ) [abstract] arXive.org link: hep-ph/0309258 [ abs, src, ps, others], cited by Code: IPM/P-2002/010


48.	F. Arash, S. Atashbar-Tehrani and Ali N. Khorramian Spin Structure of Constituent Quark and Polarized Structure of Hadrons Czech. J. Phys. 53 (2003), B71-B76 [abstract] Code: IPM/P-2002/074


49.	Ali N. Khorramian and S. Atashbar Tehrani Next-to-Leading-Order Polarized Parton Distributions in the Valon Model (Preprint) [abstract] Code: IPM/P-2002/040