Measurements of total and inelastic cross sections in positron-Cs and electron-Cs collisions

We report measurements of total, positronium (Ps) formation, and excitation cross sections for 0.1-60-eV positrons (e+'s) and total and excitation cross sections for 6-200-eV electrons (e-'s) scattered by Cs atoms. Ps formation cross sections are measured by both detecting γ ray coincidences and a beam transmission technique while all other cross sections are measured using beam transmission techniques. We discuss our findings and compare them with other experimental results and theoretical calculations