Energy and expectation values of the PsH system

Journal Article · Mon May 15 00:00:00 EDT 2006 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.73.0· OSTI ID:20787325

Mitroy, J ^[1]

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1. Faculty of Technology, Charles Darwin University, Darwin NT 0909 (Australia)

Close to converged energies and expectation values for PsH are computed using a ground state wave function consisting of 1800 explicitly correlated gaussians. The best estimate of the Ps{sup {infinity}}H energy was -0.789 196 740 hartree which is the lowest variational energy to date. The 2{gamma} annihilation rate for Ps{sup {infinity}}H was 2.471 78x10{sup 9} s{sup -1}.

• OSTI ID: 20787325
• Journal Information: Physical Review. A, Vol. 73, Issue 5; Other Information: DOI: 10.1103/PhysRevA.73.054502; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ANNIHILATION
EXPECTATION VALUE
GROUND STATES
HYDROGEN
POSITRONIUM
VARIATIONAL METHODS
WAVE FUNCTIONS