Effect of the Target Size in the Calculation of the Energy Deposited Using PENELOPE Code
Journal Title: Journal of Nuclear Physics, Material Sciences, Radiation and Applications - Year 2018, Vol 6, Issue 1
Abstract
The specific and linear energy was calculated in target sizes of 10 µm, 5 µm, 1 µm, 60 nm, 40nm and 20 nm by taking into account the contribution of the primary photon beams and the electrons generated by them in LiF: Mg, Ti (TLD-100). The simulations were carried out by the code PENELOPE 2011. Using different histories of primary particles, for each energy beams the mean deposited energy is the same, but to achieve a statistical deviation lower than 1% the value of 108 was fixed. We find that setting the values C1 = 0.1 C2 = 0.1 and Wcc = Wcr = 50 eV the time of simulation decreases around the 25%. The uncertainties (1 SD) in the specific energy increases with energy for all target sizes and decreases with target size, with values from 1.7 to 94% for 20 nm and between 0.1 and 0.8% for 10 µm. As expected, the specific and linear energies decrease with target size but not in a geometrical behaviour.
Authors and Affiliations
B. Leal-Acevedo, P. G. Reyes-Romero, F. Castillo, I. Gamboadebuen
Keywords
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- EP ID EP569273
- DOI 10.15415/jnp.2018.61011
- Views 271
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