Ionization Dynamics in Fast Ion-Atom Collisions. I. Energy and Angular Distributions of Low-Energy Electrons Emitted in Ionization of He by Bare Carbon Ions
نویسندگان
چکیده
Lokesh C. Tribedi,* P. Richard, Y. D. Wang, C. D. Lin, L. Gulyas, and M. E. Rudd Tata Institute of Fundamental Research, Homi Bhabha Road, Colaba, Mumbai 400005, India J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506-2601 Institute of Nuclear Research of the Hungarian Academy of Science (ATOMKI), P.O. Box 51, H-4001 Debrecen, Hungary Department of Physics and Astronomy, University of Nebraska–Lincoln, Lincoln, Nebraska 68588-0111 ~Received 20 April 1998!
منابع مشابه
Calculation of the total cross section for the ionization of H, He, Ne and Ar atoms by bare ions at the high energy range
In the present work, the total cross-section for the ionization of H, He, Ne and Ar atoms by +He2+ ، H+ ، Li3 ions has been calculated. In these calculations, a binary encounter approximation in the form of a two-body process between projectile ions and atomic electrons at the high energy range has been implemented. In order to enter the nuclear role of the target atom, the atomic electron vel...
متن کاملElectron angular and energy distributions in relativistic ion-atom collisions
The projectile ionization of high–Z, hydrogen–like ions has been studied within the framework of first–order perturbation theory, based on Dirac’s equation. In these studies, emphasis was placed on the energy distribution of the emitted electrons as observed within the laboratory frame. For many years, first–order perturbation theory has been applied in order to analyze the excitation and ioniz...
متن کاملDouble ionization of helium by fast bare ion collisions
A time-dependent close-coupling method is developed to treat the double ionization of helium by fast bare ion collisions. At high incident energies, charge transfer to the projectile is quite small, so that the two-electron wavefunction remains centred on the target, subject to a time-dependent projectile interaction. A multipole expansion of the projectile–atom interaction includes monopole, d...
متن کاملIonization dynamics in fast ion-atom collisions. II. Final-state momentum distributions of the ionization products in collisions of He with bare carbon ions
Lokesh C. Tribedi,* P. Richard, Y. D. Wang, C. D. Lin, R. E. Olson, and L. Gulyas Tata Institute of Fundamental Research, Homi Bhabha Road, Colaba, Mumbai-400005, India J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506-2601 Physics Department, University of Missouri–Rolla, Rolla, Missouri 65401 Institute of Nuclear Research of the Hungarian Acad...
متن کاملElectron emission from carbon foils induced by keV ions
We have measured yields of electrons emitted in the forward and backward directions from ultrathin carbon foils due to 10–100 keV atomic and molecular projectiles. In general, electron yields are higher in the forward than in the backward direction. Their behavior with projectile type and energy can be explained by a competition of a forward peaked angular distribution of initial ionization eve...
متن کامل