Zobrazeno 1 - 10
of 754
pro vyhledávání: '"R Fathi"'
Publikováno v:
Majallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Bābul, Vol 24, Iss 1, Pp 151-158 (2022)
Background and Objective: Due to the physiological changes caused by estrogen deficiency in menopause and due to the importance of aerobic exercise as one of the non-pharmacological strategies to improve these changes, the present study was performed
Externí odkaz:
https://doaj.org/article/6e99dbb0d88a4422b9e76c5f5c8c8826
Autor:
R Fathi, S Amiri Bidvari
Publikováno v:
Iranian Journal of Physics Research, Vol 21, Iss 4, Pp 643-650 (2022)
In the present work, the fully differential cross section of atomic helium ionization by protons impact at high energy ranges is calculated. The calculations of the fully differential cross section have been performed by using the three-body formalis
Externí odkaz:
https://doaj.org/article/1b1b16cb696042549cb7162d47de8fcf
Publikováno v:
Iranian Journal of Physics Research, Vol 20, Iss 3, Pp 455-461 (2020)
In the present work, the triple and double differential cross sections of atomic hydrogen ionization in the collision with protons at intermediate and high energy ranges are calculated. Interaction potentials were considered as Coulomb form and the c
Externí odkaz:
https://doaj.org/article/1295226200d7467bbb2a6c7c79078617
Publikováno v:
Iranian Journal of Physics Research, Vol 19, Iss 3, Pp 559-564 (2019)
In the present work, the triple and double cross sections of atomic hydrogen ionization in collision with the proton are calculated. The potential of the interaction is considered as a Coulombic; also, the first and second order Born approximations h
Externí odkaz:
https://doaj.org/article/619997ae084b47a88cba03f27ad17d79
Publikováno v:
Iranian Journal of Physics Research, Vol 19, Iss 2, Pp 397-403 (2019)
In the present work, the total cross-section for the ionization of H, He, Ne and Ar atoms by +He2+ ، H+ ، Li3 ions has been calculated. In these calculations, a binary encounter approximation in the form of a two-body process between projectile ion
Externí odkaz:
https://doaj.org/article/6acdf584096b450fa348f2f1075bba23
Autor:
S Amiri Bidvari, R Fathi
Publikováno v:
Iranian Journal of Physics Research, Vol 18, Iss 4, Pp 559-569 (2019)
In the present work, the scattering differential cross section has been investigated for ion-multi electron atoms collision in the charge transfer channel. For this purpose, an active electron model was implemented and the collision process was consi
Externí odkaz:
https://doaj.org/article/49e77b5c6ab44b74966792f9a832daab
Publikováno v:
Iranian Journal of Physics Research, Vol 18, Iss 1, Pp 1-12 (2018)
Positronium (Ps) formation in a ground state and 2s state of the hydrogen atom by positron impact has been studied within the framework of Eikonal direct approximation in the intermediate and high energy range. For this process, we compute Eikonal ch
Externí odkaz:
https://doaj.org/article/632a6017db6f4603baa8e925945c35ae
Autor:
R fathi, H Pishkooi
Publikováno v:
Iranian Journal of Physics Research, Vol 17, Iss 3, Pp 433-442 (2017)
Externí odkaz:
https://doaj.org/article/5b8ea64921554a95a99f487ed22a04e7
Autor:
R Fathi, T Movlarooy
Publikováno v:
Iranian Journal of Physics Research, Vol 16, Iss 1, Pp 35-44 (2016)
of 3d transition metals (Sc, Ti, Cr, Mn , Fe, Co, Ni) in both far and close situations were studied based on spin polarised density functional theory using the generalized gradient approximation (LDA) with SIESTA code. The electronic structures show
Externí odkaz:
https://doaj.org/article/548c4938154f4f7890397e0c432883af
Publikováno v:
Iranian Journal of Physics Research, Vol 15, Iss 4, Pp 391-399 (2016)
In the present work the first and second order scattering amplitudes and the related phase were calculated in the charge transfer channel. The positronium formation, with the impact of molecular hydrogen ion, has been carried out using multiple chann
Externí odkaz:
https://doaj.org/article/a3f302067806415dabd9c1b94d41c76d