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Khayyat, Kh.; Weber, T.; Dörner, R.; Achler, M.; Mergel, V.; Spielberger, L.; Jagutzki, O.; Meyer, U.; Ullrich, J.; Moshammer, R.; Schmitt, W.; Knudsen, H.; Mikkelsen, U.; Aggerholm, P.; Uggerhoej, E.; Moeller, S.P.; Rodríguez, V.D.; O'Rourke, S.F.C. (...) Schmidt-Böcking, H. "Differential cross sections in antiproton- and proton-helium collisions" (1999) Journal of Physics B: Atomic, Molecular and Optical Physics. 32(4):L73-L79
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Abstract:

Cross sections are presented for the first time for antiproton-helium collisions at an energy of 945 keV differential in longitudinal electron and recoil-ion momenta. The longitudinal momentum distributions for antiproton impact are compared with 1 MeV proton-helium collision. The electron and the recoil-ion momentum distributions for antiprotons agree with those for protons to within 10%. We did not observe a difference between antiproton impact and proton impact. A comparison with CDW and CTMC theories is presented.

Registro:

Documento: Artículo
Título:Differential cross sections in antiproton- and proton-helium collisions
Autor:Khayyat, Kh.; Weber, T.; Dörner, R.; Achler, M.; Mergel, V.; Spielberger, L.; Jagutzki, O.; Meyer, U.; Ullrich, J.; Moshammer, R.; Schmitt, W.; Knudsen, H.; Mikkelsen, U.; Aggerholm, P.; Uggerhoej, E.; Moeller, S.P.; Rodríguez, V.D.; O'Rourke, S.F.C.; Olson, R.E.; Fainstein, P.D.; McGuire, J.H.; Schmidt-Böcking, H.
Filiación:Institut für Kernphysik, August-Euler-Straße 6, D60486 Frankfurt am Main, Germany
Gesell. fur Schwerionenforschung, D64291 Darmstadt, Germany
Universität Freiburg, Fakultät für Physik, Hermann-Herderstraße 3, D79104 Freiburg, Germany
Institute of Physics and Astronomy, University of Aarhus, DK8000 Aarhus C, Denmark
Institute of Storage Ring Facilities, University of Aarhus, DK8000 Aarhus C, Denmark
Universidad de Buenos Aires, Departamento de Física, 1428 Buenos Aires, Argentina
Queen's University of Belfast, School of Mathematics and Physics, Belfast BT7 1NN, United Kingdom
University of Missouri, Rolla, MO 65401, United States
Centro Atómico Bariloche, 8400 S C de Bariloche, Argentina
Tulane University, New Orleans, LA 70118, United States
Palabras clave:Atoms; Electrons; Helium; Ions; Protons; Antiprotons; Atomic physics
Año:1999
Volumen:32
Número:4
Página de inicio:L73
Página de fin:L79
DOI: http://dx.doi.org/10.1088/0953-4075/32/4/002
Título revista:Journal of Physics B: Atomic, Molecular and Optical Physics
Título revista abreviado:J Phys B At Mol Opt Phys
ISSN:09534075
CODEN:JPAPE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09534075_v32_n4_pL73_Khayyat

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Citas:

---------- APA ----------
Khayyat, Kh., Weber, T., Dörner, R., Achler, M., Mergel, V., Spielberger, L., Jagutzki, O.,..., Schmidt-Böcking, H. (1999) . Differential cross sections in antiproton- and proton-helium collisions. Journal of Physics B: Atomic, Molecular and Optical Physics, 32(4), L73-L79.
http://dx.doi.org/10.1088/0953-4075/32/4/002
---------- CHICAGO ----------
Khayyat, Kh., Weber, T., Dörner, R., Achler, M., Mergel, V., Spielberger, L., et al. "Differential cross sections in antiproton- and proton-helium collisions" . Journal of Physics B: Atomic, Molecular and Optical Physics 32, no. 4 (1999) : L73-L79.
http://dx.doi.org/10.1088/0953-4075/32/4/002
---------- MLA ----------
Khayyat, Kh., Weber, T., Dörner, R., Achler, M., Mergel, V., Spielberger, L., et al. "Differential cross sections in antiproton- and proton-helium collisions" . Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 32, no. 4, 1999, pp. L73-L79.
http://dx.doi.org/10.1088/0953-4075/32/4/002
---------- VANCOUVER ----------
Khayyat, Kh., Weber, T., Dörner, R., Achler, M., Mergel, V., Spielberger, L., et al. Differential cross sections in antiproton- and proton-helium collisions. J Phys B At Mol Opt Phys. 1999;32(4):L73-L79.
http://dx.doi.org/10.1088/0953-4075/32/4/002