The reciprocal f ∗(x) of a polynomial f(x) of degree n is defined by f ∗(x) = xf(1/x). A polynomial is called self-reciprocal if it coincides with its reciprocal. The aim of this paper is threefold: first we want to call attention to the fact that the product of all self-reciprocal irreducible monic (srim) polynomials of a fixed degree has structural properties which are very similar to those o...

The effect of ionisation quenching for ions is critical experiments relying on the measurement low energy recoils, such as direct Dark Matter searches. We present factor estimates over a range energies protons, $\alpha$-particles, and heavier in H$_{2}$, CH$_{4}$, N$_{2}$, Ar, CO$_{2}$, C$_{3}$H$_{8}$ gases, estimated from respective reference W-value measurements. resulting factors are compare...

The aim is to create a Simple control mechanism for speed variations of a HIGH POWER SRIM – Slip Ring Induction motor as an extension to the available Non slip power recovery mechanisms available for low power SRIMs. The most basic ways to control the speed of a slip ring induction motor is either from the STATOR OR ROTOR SIDE. The mechanism employed here is to control the speed via a Single th...

In this paper, we calculated the mass stopping power (in MeV cm2/g) and range (cm) of proton in one types body tissues (lymph), from 1 Kev to 200 energy range. They are using Bethe Ziegler equations, SRIM program (version 2013) (Vol. 3) data by considering tissue composed several elements, so atomic number (Z) weight (A) for component meaning. The calculation results show that equation gives be...

background: high-velocity carbon ion beams represent the most advanced tool for radiotherapy of deep-seated tumors. currently, the superiority of carbon ion therapy is more prominent on lung cancer or hepatomas. materials and methods: the data for lateral straggling and projected range of monoenergetic 290 mev/u (3.48 gev) carbon ions in muscle tissue were obtained from the stopping and range o...

beryllium chemical combination has a considerable effect on the design and fabrication of the241am9be neutron source. in this investigation the beryllium combinations were studied as a generator ofneutrons with various mass percentage, and the neutron yields were also calculated using the results of thealice and srim codes calculations per unit incident charge. the neutron yields of beryllium ...