https://doi.org/10.1140/e10053-002-0006-7
Study of the far wing of the Balmer α line of hydrogen perturbed by collisions with protons
Balmer α
1
Department of Physics, University of Louisville,
Louisville, Ky 40292, USA
2
Observatoire de Paris-Meudon, Département Atomes et
Molécules en Astrophysique, 92195 Meudon Principal Cedex, France
3
CNRS Institut d'Astrophysique, 98 bis Boulevard Arago, 75014
Paris, France
4
Laboratoire de Recherche sur la Réactivité des Solides,
Université de Bourgogne (UMR 5613 du CNRS) , 9 avenue Alain Savary,
B.P. 47870, 21078 Dijon Principal Cedex, France
Corresponding author: a john@nimbus.physics.louisville.edu
Received:
11
October
2001
Published online: 15 January 2002
The theory of the Balmer α line of atomic hydrogen perturbed by collisions with protons predicts quasi-molecular satellites in the line wing due to H–H+ collisions. Measurements of the spectrum of a laser-produced plasma confirm the existence of the strongest of these features.
PACS: 32.70.Jz – Line shapes, widths, and shifts / 95.30.Dr – Atomic processes and interactions / 95.30.Ky – Atomic and molecular data, spectra, and spectral parameters (opacities, rotation constants, line identification, oscillator strengths, gf values, transition probabilities, etc.) / 97.20.Rp – Faint blue stars (including blue stragglers), white dwarfs, degenerate stars, nuclei of planetary nebulae
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2002