Solutions of the Schrödinger equation for 1/r-type longrange potentials play a key role in quantum physics especially in the understanding of states, both bound and continuum, that are close to a threshold @1–4#, and in the understanding of small-angle forward scattering which is dominated by contributions from large impact parameters. In the context of atomic collisions, it can be stated that ...

The purpose of this study was to assess the possibility of introducing site-specific range margins to replace current generic margins in proton therapy. Further, the goal was to study the potential of reducing margins with current analytical dose calculations methods. For this purpose we investigate the impact of complex patient geometries on the capability of analytical dose calculation algori...

PURPOSE In recent years, several Monte Carlo studies have been published concerning the perturbation corrections of a parallel-plate chamber in clinical electron beams. In these studies, a strong depth dependence of the relevant correction factors (p(wall) and P(cav)) for depth beyond the reference depth is recognized and it has been shown that the variation with depth is sensitive to the choic...

We study the enviromental dependence and the morphological composition of the galaxy colormagnitude diagram at z ∼ 0.7, using a pilot sub-sample of the COSMOS survey. The sample includes ∼ 2000 galaxies with IAB < 24 and photometric redshift within 0.61 < z < 0.85, covering an area of 270 square-arcmin. Galaxy morphologies are estimated via a non-parametric automatic technique. The (V − z) vs. ...

We review the physical properties of nearby, relatively luminous galaxies, using results from newly available massive data sets together with more detailed observations. First, we present the global distribution of properties, including the optical and ultraviolet (UV) luminosity, stellar mass, and atomic gas mass functions. Second, we describe the shift of the galaxy population from late galax...