Calculation of primary-specific ionization produced by relativistic charged particles in some molecular gases
Primary-specific ionization produced by relativistic charged particles in NH 3, CO 2, CH 4, C 2H 2, C 4H 10, O 2, and N 2 are calculated taking into account the polarization of the medium. The values of the primary-specific ionization in minimum of ionization are calculated to be respectively 24.7, 38.0, 27.7, 30.8, 99.3, 29.7 and 23.7 ion pairs per cm at normal temperatures and pressures. Those values (except O 2) differ from the experimental values by no more than 10%. The plateau exceeds the minimum by 36, 36, 30, 29, 29, 41 and 40% correspondingly. All calculations were performed using the model of a medium with a discrete harmonic oscillators set. The oscillator sets obtained from spectrometric data can be used in calculations of truncated energy losses and simulations of energy losses in thin gas layers.