Ultracold collisions of metastable helium atoms

Leo, P., Whittingham, I.B., Venturi, V., and Babb, J.F. (2001) Ultracold collisions of metastable helium atoms. Physical Review A (Atomic, Molecular and Optical Physics), 64 (4). 042710. pp. 1-8.

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We report scattering lengths for the ¹Σg⁺, ³Σu⁺, and ⁵Σg⁺ adiabatic molecular potentials relevant to collisions of two metastable 23S helium atoms as a function of the uncertainty in these potentials. These scattering lengths are used to calculate experimentally observable scattering lengths, elastic cross sections, and inelastic rates for any combination of states of the colliding atoms, at temperatures where the Wigner threshold approximation is valid.

Item ID: 13374
Item Type: Article (Research - C1)
ISSN: 1050-2947
Keywords: atomic scattering; molecular potentials; ultracold collisions
Date Deposited: 19 Dec 2012 04:19
FoR Codes: 02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020201 Atomic and Molecular Physics @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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