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IPM
30
YEARS OLD

“Shahin Atashbar Tehrani”

Tel:  +98 21 22809150
Fax:  +98 21 22809148
Email: 

IPM Positions

Resident Researcher, School of Particles and Accelerator
(2012 - 2013 )

Past IPM Positions

Resident Researcher, School of Particles and Accelerator
(2008 - 2009)
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

Awards

Member of Iran Physical Society

Research Activities

By using Melin Transformation we solve GLAP equation and found Internal Structure of Valon. By using Internal Structure function and Integral Theoren in LO and NLO approximation we find Polarized Structure function of Proton.

Present Research Project at IPM

Study of Polarized Structure Function of Proton by Valon Model

Related Papers

1. S. Khanmohamadi, H. R. Moshfegh and S. Atashbar Tehrani
Hybrid star within the framework of a lowest-orderconstraint variational method
Phys. Rev. D 101 (2020),   [abstract]
arXive.org link: 1907.12029 [nucl-th] [ abs, src, ps, others], cited by
Code: IPM/P.A-608
2. M. Salajegheh, S. M. Moosavi Nejad, M. Soleymaninia, H. Khanpour and S. Atashbar Tehrani
NNLO charmed-meson fragmentation functions and theiruncertainties in the presence of meson mass corrections
Eur. Phys. J. C 79 (2019),   [abstract]
arXive.org link: arXiv:1904.09832 [hep-ph] [ abs, src, ps, others], cited by
Code: IPM/P.A-604
3. L. Ghasemzadeh, A. Mirjalili and S. Atashbar Tehrani
Nonsinglet polarized nucleon structure function in infrared-safe QCD
Phys. Rev. D 100 (2019),   [abstract]
arXive.org link: arXiv:1906.01606 [hep-ph] [ abs, src, ps, others], cited by
Code: IPM/P.A-603
4. M. Salajegheh, S. M. Moosavi Nejad, M. Soleymaninia, H. Khanpour and S. Atashbar Tehrani
NNLO charmed-meson fragmentation functions and their uncertainties in the presence of meson mass corrections
 (Submitted) [abstract]
arXive.org link: 1904.09832 [hep-ph] [ abs, src, ps, others], cited by
Code: IPM/P.A-595
5. M. Salajegheh, S. M. Moosavi Nejad, H. Khanpour and S. Atashbar Tehrani
Analytical approaches to the determination of spin-dependent parton distribution functions at NNLO approximation
Phys. Rev. C 97 (2018),   [abstract]
arXive.org link: arXiv:1801.04471 [hep-ph] [ abs, src, ps, others], cited by
Code: IPM/P.A-491
6. H. Khanpour, S. Taheri Monfared and S. Atashbar Tehrani
Study of spin-dependent structure functions of 3He and 3H at NNLO approximation and corresponding nuclear corrections
Phys. Rev. D 96 (2017),   [abstract]
Code: IPM/P.A-484
7. H. Kanpour, S. Taheri Monfared and S. Atashbar Tehrani
Nucleon spin structure functions at NNLO in the presence of target mass corrections and higher twist effects
Phys. Rev. D 95 (2017),   [abstract]
Code: IPM/P.A-461
8. H. Khanpour, A. Mirjalili and S. Atashbar Tehrani
Analytic derivation of the next-to-leading-order proton structure function F2p(x, Q2) based on the Laplace transformation
Phys. Rev. C 95 (2017),   [abstract]
Code: IPM/P.A-429
9. . Moosavi Nejad, H. Khanpour, S. Atashbar Tehrani and . Mahdavi
QCD analysis of nucleon structure functions in deep-inelastic neutrino-nucleon scattering: Laplace transform and Jacobi polynomials approach
Phys. Rev. C 94 (2016),   [abstract]
Code: IPM/P.A-443
10. F. Taghavi-Shahri, H. Khanpour, S. Atashbar Tehrani and Z. Alizadehyazdi
Next-to-next-to-leading order QCD analysis of spin-dependent parton distribution functions and their uncertainties: Jacobi polynomials approach
Phys. Rev. D 93 (2016),   [abstract]
Code: IPM/P.A-430
11. H. Khanpour and S. Atashbar Tehrani
Global analysis of nuclear parton distribution functions and their uncertainties at next-to-next-to-leading order
Phys. Rev. D 93 (2016),   [abstract]
Code: IPM/P.A-428
12. S. Taheri Monfared, A.N. Khorramian and S. Atashbar Tehrani
Uncertainties on diffractive parton distribution functions from fit to the HERA data
( In: Proceeding of XX International Workshop on Deep-Inelastic Scattering and Related Subjects Vol. I)
[abstract]
Code: IPM/P.A-326
13. S. Atashbar Tehrani, F. Taghavi Shahri, A. Mirjalili and M.M. Yazdanpanah
NLO analytical solutions to the polarized parton distributions, based on the Laplace transformation
Phys. Rev. D 039902(E) (2013),   [abstract]
Code: IPM/P.A-315
14. F. Arbabifar, A.N. Khorramian, H . Khanpour and S. Atashbar Tehrani
Symmetry breaking effect on determination of polarized and unpolarized parton distributions
Nucl. Phys. B 234 (2013), 66-69  [abstract]
Code: IPM/P.A-297
15. H. Khanpour, A.N. Khorramian and S. Atashbar Tehrani
New parton distributions in a fixed flavour factorization scheme from recent deep-inelastic-scattering data
J. Phys. G 40 (2013), 36 pp  [abstract]
Code: IPM/P.A-296
16. S. Atashbar Tehrani
Nuclear parton densities and their uncertainties at the next-to-leading order
Phys. Rev. C 064301 (2012),   [abstract]
Code: IPM/P.A-293
17. F. Arbabifar, A.N. Khorramian and S. Atashbar Tehrani
Polarized Parton Distributions in Symmetry Breaking Scenario
( In: XIV Advanced Research Workshop on High Energy Spin Physics (DSPIN-11))
[abstract]
Code: IPM/P.A-216
18. S. Taheri Monfared, A.N. Khorramian and S. Atashbar Tehrani
A global analysis of diffractive events at HERA
J. Phys. G 39 (2012), 085009  [abstract]
Code: IPM/P.A-209
19. H. Khanpour, A.N. Khorramian and S. Atashbar Tehrani
Parton distribution functions from QCD analysis of HERA combined inclusive e+- scattering cross sections data
Few-body (2012), 279-284  [abstract]
Code: IPM/P.A-218
20. S. Taheri Monfared, A.N. Khorramian and S. Atashbar Tehrani
The study of heavy contribution in diffractive parton distribution functions
Journal of Physics, (JPCS) 347 (2012), 012018  [abstract]
Code: IPM/P.A-204
21. A.N. Khorramian, H. Khanpour and S. Atashbar Tehrani
KKT11 PDFs from NLO Analysis of Deep-Inelastic World Data
( In: The 2011 Europhysics Conference on High Energy Physics, EPS-HEP 2011)
[abstract]
Code: IPM/P.A-207
22. S. Taheri Monfared, A.N. Khorramian and S. Atashbar Tehrani
QCD analysis of the diffractive longitudinal structure functions
( In: The 2011 Europhysics Conference on High Energy Physics-HEP 2011,)
[abstract]
Code: IPM/P.A-206
23. S. Atashbar Tehrani, A.N. Khorramian, S. Taheri Monfared and F. Arbabifar
Polarized structure functions in nuclear matter
AIP CONF PROC 1374 (2011), 391-394  [abstract]
Code: IPM/P.A-215
24. A.N. Khorramian, S. Atashbar Tehrani, S. Taheri Monfared, F. Arbabifar and F. I. Olness
Polarized deeply inelastic scattering (DIS) structure functions for nucleons and nuclei
Phys. Rev. D 83 (2011), 054017  [abstract]
Code: IPM/P.A-152
25. H. Khanpour, A.N. Khorramian and S. Atashbar Tehrani
Determination Of The Strong Coupling Contant From Nlo QCD Analysis Of Proton Structure Function
Int. J. Mod. Phys. A 26 (2011), 658-659  [abstract]
Code: IPM/P.A-141
26. F. Arbabifar, A.N. Khorramian, S. Taheri Monfared and S. Atashbar Tehrani
Spin-Dependent Structure Function Of 3He and 3H
Int. J. Mod. Phys. A 26 (2011), 625-626  [abstract]
Code: IPM/P.A-140
27. S. Taheri Monfared, A.N. Khorramian, S. Atashbar Tehrani and Z. Haddadi
Spin dependence of structure functions and target mass corrections
Nucl. Phys. B (2011), 125-128  [abstract]
Code: IPM/P.A-112
28. A. Mirjalili, M.M. Yazdanpanah, F. Taghavi Shahri and S. Atashbar Tehrani
Nucleon/nuclei polarized structure function, using Jacobi polynomials expansion
Chinese Physics C 34 (2010), 1534-1537  [abstract]
Code: IPM/P.A-166
29. A.N. Khorramian, S. Atashbar Tehtani, F. Olness, S. Taheri Monfared and F. Arbabifar
Nonsinglet Spin-Dependent Structure Functions
Nucl. Phys. B 207-208 (2010), 65-68  [abstract]
Code: IPM/P.A-144
30. A.N. Khorramian, H. Khanpour and S. Atashbar Tehrani
Pade Approximations and NSQD's up to 4-loop Using F2 Deep Inelastic World Data
( In: The Conference in Honour of Murray Gell-Mann's 80th Birthday,2010)
[abstract]
Code: IPM/P.A-143
31. S. Taheri Monfared, A.N. Khorramian and S. Atashbar Tehrani
Parton distribution functions in Diffractive Deep Inelastic Scattering
( In: The Conference in Honour of Murray Gell-Mann's 80th Birthday,2010)
[abstract]
Code: IPM/P.A-119
32. S. Atashbar Tehrani and A.N. Khorramian
Determination of the strong coupling constant using available experimental data
Chinese Physics C 34 (2010), 1485-1487  [abstract]
Code: IPM/P.A-118
33. S. Taheri Monfared, A.N. Khorramian, F. Arbabifar and S. Atashbar Tehrani
The spin dependent parton distribution functions and their moments
Acta. Phy. Polonica B 41 (2010), 2921-2928  [abstract]
Code: IPM/P.A-115
34. H. Khanpour, A.N. Khorramian and S. Atashbar Tehrani
Heavy quark contributions to the proton structure function
( In: The Conference in Honour of Murray Gell-Mann's 80th Birthday,2010)
[abstract]
Code: IPM/P.A-114
35. F. Arbabifar, A.N. Khorramian, S. Atashbar Tehrani and A. Najafgholi
Nucleon polarized structure function
( In: The Conference in Honour of Murray Gell-Mann's 80th Birthday,2010)
[abstract]
Code: IPM/P.A-113
36. M. Soleymaninia, A.N. Khorramian and S. Atashbar Tehrani
A phenomenological analysis of the longitudinal proton structure function FL
( In: The Conference in Honour of Murray Gell-Mann's 80th Birthday,2010)
[abstract]
Code: IPM/P.A-111
37. 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
38. A. N. Khorramian and S. Atashbar Tehrani
Jacobi polynomials and non-singlet structure function F2(x,Q2) up to N3LO
Chinese Physics C 34 (2010), 1479-1481  [abstract]
Code: IPM/P.A-060
39. 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
40. H . Khanpour, A. N. Khorramian and S. Atashbar Tehrani
Pade approximations and non-singlet structure function up to N3LO
( In: High Energy Physics, EPS-HEP.)
[abstract]
Code: IPM/P.A-061
41. 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
42. 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
43. 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
44. 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
45. 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
46. 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
47. 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
48. 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
49. 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
50. 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]
Code: IPM/P.A-030
51. 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
52. 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
53. 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]
Code: IPM/P.A-001
54. 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
55. A. N. Khorramian and S. Atashbar Tehrani
Simple Model for QCD Analysis of the Proton Helicity Structure
 (Preprint) [abstract]
Code: IPM/P.A-002
56. 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
57. 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
58. 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
59. 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
60. 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
61. 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
62. 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
63. 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
64. 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
65. 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
66. 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
67. 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
68. A. Mirjalili, Ali N. Khorramian and S. Atashbar Tehrani
Analysis of bb 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
69. 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
70. 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
71. 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
72. 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
73. 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
74. 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
75. 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
76. A. Mirjalili, A.N. Khorramian and S. Atashbar Tehrani
Investigating the QCD Scale Dependence of Total Cross Section for Heavy Quark Production in pp Collisions
( In: Proceedings of XI Regional Conference on Mathematical Physics, 3-6 May 2004, 69-71, Tehran, Iran)
[abstract]
Code: IPM/P-2004/090
77. 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
78. 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
79. 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
80. 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
81. 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
82. 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
83. 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
84. 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
85. 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
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