Refractive distortions of two-particle correlations from classical trajectory calculations

Refractive Distortions of Two-Particle Correlations from Classical Trajectory Calculations

Refractive Distortions of Two-Particle Correlations

Using optical model calculations it has recently been shown that refractive phenomena from the collective mean field can significantly alter the sizes inferred from two-pion correlations. We demonstrate that such effects can be accounted for in classical calculations if mean field effects are included.

Final State Distortions in Two-particle Correlations

Final state interactions in two-particle interferometry is considered for two-particle potentials which are the Coulomb plus “strong” one. For a simple model of the source we provide a full numerical calculation of the correlation function with taking into account two-particle Coulomb interaction plus final state strong interaction. It is found that for small sources (R0 = 1− 4 fm) the contribu...

Electron impact double ionization of helium from classical trajectory calculations

With a recently proposed quasiclassical ansatz [Geyer and Rost, J. Phys. B 35 (2002) 1479] it is possible to perform classical trajectory ionization calculations on many electron targets. The autoionization of the target is prevented by a Møller type backward–forward propagation scheme and allows to consider all interactions between all particles without additional stabilization. The applicatio...

Theoretical Calculations of Refractive Index of Synthesized One and Two Substituted Derivatives of Functionalized Bithiophene Compounds

In order to study the variation of electronic properties, a set of bithiophene derivatives has been ‎developed. Here, the effect of substitution on the aromaticity properties of some cyclic ‎bithiophene derivative compounds was investigated using theoretical calculations. Calculations ‎were performed at B3LYP/6-31+G (d,p) level; and calculated properties included energy, dipole ‎moment, total c...