Estimation Of the Total Energy Loss of Positrons in Copper and Nickel

  title={Estimation Of the Total Energy Loss of Positrons in Copper and Nickel},
  author={Sabah Mahmoud Aman Allah and Enas Mohamad Salaman and Rafea Abduala Abad},
In present paper , the values of radiative Srad and collisional Scoll stopping powers and the total stopping power positrons β + for copper and nickel by employing Bethe-Bloch relativistic formula in the energy range of 0.1MeV-10MeV. The results showing a that the radiative stopping power dominate more than the collisional stopping power in the of the total stopping power which are in good agreement with Estar universal code results . 


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