title: Induced long-range dipole-field-enhanced antihydrogen formation in the p + Ps(n = 2) --> e(-) + H(n < or = 2) reaction.
abstract: We report high-precision calculations that correctly include the rearrangement channels by solving the modified Faddeev equations for energies between the Ps(n = 2) and H(n = 3) thresholds, which involve six and eight open channels. We find that 99% of the antihydrogen is formed in H(n = 2). Just above the Ps(n = 2) threshold the S, P, and D partial waves contribute nearly 1400pi(a(2)0) near the maximum. We find evidence that the induced long-range dipole potential is responsible for such a large H formation cross section. The possibility of utilizing this resonance to synthesize low-energy H is discussed.
authors.affiliation: Department of Physics and Astronomy, California State University, Long Beach, California 90840, USA.
authors.forename: Chi Yu
authors.initials: CY
authors.lastname: Hu
authors.forename: David
authors.initials: D
authors.lastname: Caballero
authors.forename: Zoltán
authors.initials: Z
authors.lastname: Papp