Air-kerma to Hp(0.07), Hp(3), and Hp(10) conversion coefficients for monoenergetic photons

This work aims for calculating a new set of the personal dose equivalent conversion coefficients H-p(d)/K-air when d = 0.07, 3, and 10 mm, for monoenergetic photons beams ranged from 0.015 to 10 MeV, which have incident on ICRU slab phantom for H-p (0.07) and H-p (10) and cylindrical phantom for H-p (3). The new cylindrical phantom of the ORAMED project was proposed for calculating the eye lens dose equivalent as a cylinder much better approximates the form of a head than a slab. The calculations were carried out with MC and an analytical fit is applied to the data. Our results are found in a good agreement with those previously published, with a local difference less than 1.5%. We have concluded that new analytical fits provide a suitable method for determining conversion coefficients for discrete incident such as MC.