M. Aymar, E. Luc-koenig, and F. Combei-farnoux, Theoretical investigation on photoionization from Rydberg states of lithium, sodium and potassium, Journal of Physics B: Atomic and Molecular Physics, vol.9, issue.8, p.1279, 1976.
DOI : 10.1088/0022-3700/9/8/013

L. Barbier and M. Chéret, to be published Borodin V M and Komarov I V 1974 Opt. Spektrosk. 36 250 iOpt. Spectrosc, p.1451, 1983.

M. Chéret, L. Barbier, W. Lindinger, and R. Deloche, Penning and associative ionisation of highly excited rubidium atoms, Journal of Physics B: Atomic and Molecular Physics, vol.15, issue.19, p.3463, 1982.
DOI : 10.1088/0022-3700/15/19/015

F. Gounand, Physique 40 457 idata available on request l Herzberjt G 1950 Spectra of Diatomic Molecules l New York: Van Rost rand-Rein hold l Huennekens J and Gallagher A, Phys. Rev. A, vol.27, p.771, 1979.

V. Kushawaha and J. J. Levenihal, collisions, Physical Review A, vol.22, issue.6, pp.2468-570, 1980.
DOI : 10.1103/PhysRevA.22.2468

S. Y. Umanski and A. Voronin, Asymptotic calculation of some exchange integrals, Theoretica Chimica Acta, vol.48, issue.2, p.166, 1968.
DOI : 10.1007/BF00539388

/. F. Gounand and J. , BERLAMDE in Rydberg States of atoms and molecul 3, p.229, 1983.

/. W. Miller, Theory of Penning Ionization. I. Atoms, The Journal of Chemical Physics, vol.52, issue.7, p.3563, 1970.
DOI : 10.1063/1.1673523

/. H. Nakamura, Theoretical Considerations on Penning Ionization Processes, Journal of the Physical Society of Japan, vol.26, issue.6, p.1473, 1969.
DOI : 10.1143/JPSJ.26.1473

/. A. Wellenstein and W. W. Robertson, =3 States of Helium. II. Associative Ionization, The Journal of Chemical Physics, vol.18, issue.3, p.1077, 1972.
DOI : 10.1088/0022-3700/1/6/315

/. M. Hugon, B. Sayer, P. R. Fournier, and F. Gounand, Collisional depopulation of rubidium Rydberg levels by rare gases, Journal of Physics B: Atomic and Molecular Physics, vol.15, issue.15, p.2391, 1982.
DOI : 10.1088/0022-3700/15/15/016

/. A. Lindgard and S. E. Nielsen, Transition probabilities for the alkali isoelectronic sequences Li I, Na I, K I, Rb I, Cs I, Fr I, Atomic Data and Nuclear Data Tables, vol.19, issue.6, pp.533-264, 1977.
DOI : 10.1016/0092-640X(77)90017-1

/. I. Percival, Cross sections for collisions of electrons with hydrogen atoms and hydrogen-like ions, Nuclear Fusion, vol.6, issue.3, p.182
DOI : 10.1088/0029-5515/6/3/003

/. H. Nakamura, of the Phys, Soc of J .an, vol.33, issue.56, p.1426, 1972.

/. R. Olson, Ionization Total Cross Sections, Physical Review A, vol.6, issue.3, p.1031, 1972.
DOI : 10.1103/PhysRevA.6.1031

/. W. Miller and H. F. Schaeffer, Theoretical Treatment of Penning Ionization???He(1s2s 1S, 3S)???+???H(1s 2S), The Journal of Chemical Physics, vol.10, issue.4, p.1421, 1970.
DOI : 10.1039/df9674400108

/. J. Cohen, R. L. Martin, . Icpeac, and . Berlin, Abstracts of contributed paper, p.332, 1983.

/. H. Bethe and E. E. , SALPSTER Quantum Mechanics one and two Electron Atom, 1957.