Ca negative-ion binding energy

1 October 1992

journal article
research article
Published by American Physical Society (APS) in Physical Review A

Vol. 46 (7) , R3588-R3590
https://doi.org/10.1103/physreva.46.r3588

Abstract

We report our recent results of the measurement of the binding energy of the ground state of the calcium negative ion using electric field dissociation and accelerator mass spectrometry. The electron affinity of Ca was measured to be 17.

5_{- 2}^{+ 4}

meV for a p-wave electron emission, which is in good agreement with recent photodetachment experiments performed by Walter and Peterson [Phys. Rev. Lett. 68, 2281 (1992)].

Keywords

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