Observation of low-lying resonance states of [Formula Presented] at the [Formula Presented]S and [Formula Presented]S He thresholds

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We measured the cusp electron production associated with target ionization at the impact of a 400-keV pure2[Formula Presented]S He beam and a mixed beam containing all three long-lived He states, i.e., 1[Formula Presented]S,n2[Formula Presented]S, and 2[Formula Presented]S. Using the results of an e...

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Detalles Bibliográficos
Autor principal: Báder, A.
Otros Autores: Sarkadi, L., Víkor, L., Kuzel, M., Závodszky, P.A, Jalowy, T., Groeneveld, K.O, Macri, P.A, Barrachina, R.O
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1997
Acceso en línea:Registro en Scopus
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Biblioteca Central Dr. Luis F. Leloir (FCEN) de Universidad de Buenos Aires
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100 1 |a Báder, A. 
245 1 0 |a Observation of low-lying resonance states of [Formula Presented] at the [Formula Presented]S and [Formula Presented]S He thresholds 
260 |c 1997 
506 |2 openaire  |e Política editorial 
504 |a Nesbet, R.K., (1975) Phys. Rev. A, 12, p. 444 
504 |a Crooks, G.B., Rudd, M.E., (1970) Phys. Rev. Lett., 25, p. 1599 
504 |a Jakubassa-Amundsen, D.H., (1989) J. Phys. B, 22, p. 3989 
504 |a Szótér, L., (1990) Phys. Rev. Lett., 64, p. 2835 
504 |a Kunikeev, S.D., Senashenko, V.S., (1992) Sov. Phys. JETP, 75, p. 452 
504 |a Barrachina, R.O., (1990) J. Phys. B, 23, p. 2321 
504 |a Garibotti, C.R., Barrachina, R.O., (1983) Phys. Rev. A, 28, p. 2792 
504 |a Víkor, L., Sarkadi, L., Tokési, K., Varga, D., Penent, F., Pálinkás, J., Nucl. Instrum. Methods Phys. Res. B (to be published); Gilbody, H.B., Dunn, K.F., Browning, R., Latimer, C.J., (1971) J. Phys. B, 4, p. 800 
504 |a Macri, P., Barrachina, R.O., ; Taylor, J.R., (1972) Scattering Theory, , Wiley, New York 
520 3 |a We measured the cusp electron production associated with target ionization at the impact of a 400-keV pure2[Formula Presented]S He beam and a mixed beam containing all three long-lived He states, i.e., 1[Formula Presented]S,n2[Formula Presented]S, and 2[Formula Presented]S. Using the results of an earlier experiment [Kuzel et al., Phys. Rev. A 48, R1745 (1993)], we estimated the cross section for both metastable states of He. We found that the cusp for the 2[Formula Presented]S state is much larger and sharper than for the 2[Formula Presented]S state. The peaks are manifestations of excitation of low-lying virtual or weakly bound states of the [Formula Presented] ion at the 2[Formula Presented]S and 2[Formula Presented]S thresholds. © 1997 The American Physical Society.  |l eng 
593 |a Institute of Nuclear Research of the Hungarian Academy of Sciences (ATOMKI), Debrecen, H-4001, Hungary 
593 |a Institut für Kernphysik der J. W. Goethe-Universität, August-Euler Strasse 6, Frankfurt am Main, D-60486, Germany 
593 |a Western Michigan University, Kalamazoo, MI, 49008, United States 
593 |a Instituto de Astronomía y Física del Espacio, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Casilla de Correo 67, Succursale 28, Buenos Aires, 1428, Argentina 
593 |a Centro Atómico Bariloche, Comisión Nacional de Energía Atómica (CNEA), San Carlos de Bariloche, Río Negro, 8400, Argentina 
700 1 |a Sarkadi, L. 
700 1 |a Víkor, L. 
700 1 |a Kuzel, M. 
700 1 |a Závodszky, P.A. 
700 1 |a Jalowy, T. 
700 1 |a Groeneveld, K.O. 
700 1 |a Macri, P.A. 
700 1 |a Barrachina, R.O. 
773 0 |d 1997  |g v. 55  |h pp. R14-R17  |k n. 1  |p Phys Rev A  |x 10502947  |t Physical Review A - Atomic, Molecular, and Optical Physics 
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856 4 0 |u https://doi.org/10.1103/PhysRevA.55.R14  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_10502947_v55_n1_pR14_Bader  |y Handle 
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963 |a VARI 
999 |c 81138 

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