On Ruby's solid angle formula and some of its generalizations
arXiv:1410.3985 · doi:10.1016/j.nima.2014.10.026
Abstract
Using the Mellin-Barnes representation, we show that Ruby's solid angle formula and some of its generalizations may be expressed in a compact way in terms of the Appell F4 and Lauricella Fc functions.
10 pages, accepted in Nucl. Instr. and Meth. in Phys. Res. A