alexa Determination of energy loss, range and stopping power of light ions using silicon surface barrier detector


Research & Reviews: Journal of Pure and Applied Physics

Author(s): Mahalesh Devendrappa, R D Mathad, Basavaraja Sannakki

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E nergy loss of light ions, such as alpha particles of energy 5.15 MeV [Pu - 239], has measured in atmosph eric air at different pressures. Experimentally, the energy loss measurement was made using Silicon Surface Barrie r Detector (SSBD) of an alpha ray spectrometer. Silicon Surface Barrier Detector has a higher resolution of 20 KeV at energy of 5.15 MeV. The alpha source and the detector were kept at a fixed distance of 10 mm. The measured energy loss in the air medium has higher than that in vacuum. The value of energy loss in atmospheric air at a pressure of 4.6 mbar is 0.8639 MeV, and calibrated energy loss in vacuum is 8.93 KeV per channel . The stopping power of alpha particles decrease d exponentially as transmitted energy increased in the energy range of 2.0 - 6.0 MeV . The nuclear and electronic energy loss stopping powers are studied as a function of transmitted e ne rgy of alpha particles in atmospheric air using SRIM values.

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This article was published in International Journal of Science, Technology & Management and referenced in Research & Reviews: Journal of Pure and Applied Physics

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