Photodetachment of the 2[ital p][sup 2]([sup 3][ital P][sup [ital e]]) state of H[sup [minus]]

Journal Article · Mon Oct 31 23:00:00 EST 1994 · Physical Review A; (United States)

DOI:https://doi.org/10.1103/PhysRevA.50.4365· OSTI ID:6836818

Du, N; Starace, A F ^[1]; Bao, M ^[2]

---

1. Joint Institute for Laboratory Astrophysics, University of Colorado National Institute of Standards and Technology, Boulder, Colorado 80309-0440 (United States)
2. Department of Physics and Astronomy, The University of Nebraska, Lincoln, Nebraska 68588-0111 (United States)

Results of semiempirical, adiabatic hyperspherical calculations are presented for the photodetachment cross section of the process H[sup [minus]] 2[ital p][sup 2]([sup 3][ital P][sup [ital e]])+[gamma][r arrow]H([ital n]=2)+[ital e][sup [minus]] at photon energies in the range from threshold to 0.125 a.u. above. We find the detachment cross section to have a maximum value of 482 Mb at 25.7 meV above threshold, in good agreement with results of close-coupling calculations by Jacobs, Bhatia, and Temkin [Astrophys. J. 242, 1278 (1980)]. In contrast to the close-coupling results, however, we find that the detachment cross section rises by a factor of more than 400 from its threshold value to its maximum.

• DOE Contract Number: FG02-88ER13955
• OSTI ID: 6836818
• Journal Information: Physical Review A; (United States), Journal Name: Physical Review A; (United States) Vol. 50:5; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

664200* -- Spectra of Atoms & Molecules & their Interactions with Photons-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
ADIABATIC APPROXIMATION
AFFINITY
ANIONS
CHARGED PARTICLES
CROSS SECTIONS
ENERGY DEPENDENCE
ENERGY LEVELS
EXCITED STATES
HYDROGEN IONS
HYDROGEN IONS 1 MINUS
IONIZATION
IONS
PHOTOIONIZATION