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Title: Semi empirical formula for electronic stopping power determination of 24Mg, 27Al and 28Si ions crossing Formvar foil in the ion energy domain of LSS theory
Authors: Guesmia, A 
Ammi, H 
Mammeri, S 
Dib, A 
Pineda-Vargas, CA 
Msimanga, M 
Hedibel, M 
Keywords: Electronic stopping power;LSS theory;Time-of-flight;HI-ERDA
Issue Date: 2013
Publisher: Radiation Physics and Chemistry
Abstract: We have determined continuous stopping power of heavy ions in thin Formvar foil for 28Si, 27Al and 24Mg ions over an energy range of (0.1–0.5) MeV/nucleon. Heavy Ions Elastic Recoil Detection Analysis (HIERDA) technique coupled with time of flight (ToF) spectrometer has been used to measure energy loss of charged particles in this thin absorber. Lindhard, Scharff and Schiott (LSS) theory compared with the corresponding determined stopping values in Formvar, shows significantly large deviations. However, a novel semi empirical expression has been proposed here and tested for better stopping power calculations at low velocity in the ion energy domain of LSS theory for 28Si, 27Al and 24Mg ions crossing thin Formvar foil. The results were compared to the obtained experimental stopping power data, predictions of LSS theory and also to those generated by SRIM-2010 computer code. The obtained results exhibit good agreement with experimental data.
Appears in Collections:HWSci - Journal Articles (DHET subsidised)

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