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7 papers · 2 filters
Experimental verification of minima in excited long-range Rydberg states of Rb_2
Chris H. Greene, Edward L. Hamilton, Heather Crowell +2
Recent theoretical studies with alkali atoms A excited to high Rydberg states predicted the existence of ultra long-range molecular bound states. Such excited dimers have…
Cold collisions of OH and Rb. I: the free collision
Manuel Lara, John L. Bohn, Daniel E. Potter +2
We have calculated elastic and state-resolved inelastic cross sections for cold and ultracold collisions in the Rb() + OH() system, including fine-structure and h…
Near threshold rotational excitation of molecular ions by electron-impact
A. Faure, V. Kokoouline, Chris H. Greene +1
New cross sections for the rotational excitation of H by electrons are calculated {\it ab initio} at low impact energies. The validity of the adiabatic-nuclei-rotation (ANR)…
Measurement of the Temperature Dependence of the Casimir-Polder Force
J. M. Obrecht, R. J. Wild, M. Antezza +3
We report on the first measurement of a temperature dependence of the Casimir-Polder force. This measurement was obtained by positioning a nearly pure 87-Rb Bose-Einstein condensat…
Ultracold Rb-OH collisions and prospects for sympathetic cooling
M. Lara, J. L. Bohn, D. Potter +2
We have computed ab inito cross sections for cold collisions of Rb atoms with OH radicals. We predict collision rate constants of order 10^{-11} cm^3/s at temperatures in the range…
Renner-Teller effects in HCO+ dissociative recombination
Ivan A. Mikhaylov, Viatcheslav Kokoouline, Asa Larson +2
A theoretical description of the dissociative recombination process for the HCO+ ion suggests that the nonadiabatic Renner-Teller coupling between electronic and vibrational degree…