Internal Pair Formation Following Coulomb Excitation of Heavy Nuclei*
نویسندگان
چکیده
1 3 ~ . R. Cohen and B. N. Taylor , J . Phys. Cheni. Ref. Data 2, 663 (1973). 1 4 ~ . Scherm, Nuckleonik G, 4 (1968). "H. Glättli, private communication. I6p . Roubeau, A. Abragam, G. L. Bacchella, H . Glätt l i , A . Malinovski, P . Meriel, J. Piesveaux, and M. Pinot, Phys. Rev. Lett. g, 102 (1974). I 7 v . E . Krohn and G. E . Ringo, Phys. Rev. D 8, 1305 (1973). I8E. Melkonian, B . M. Rustad, and W. W. Havens, J r . , Phys. Rev. 114, 1571 (1959).
منابع مشابه
0 A ug 1 99 5 Angular Correlations in Internal Pair Conversion of Aligned Heavy Nuclei
We calculate the spatial correlation of electrons and positrons emitted by internal pair conversion of Coulomb excited nuclei in heavy ion collisions. The alignment or polarization of the nucleus results in an anisotropic emission of the electron-positron pairs which is closely related to the anisotropic emission of γ-rays. However, the angular correlation in the case of internal pair conversio...
متن کاملAngular correlations in internal pair conversion of aligned heavy nuclei.
We calculate the spatial correlation of electrons and positrons emitted by internal pair conversion of Coulomb excited nuclei in heavy ion collisions. The alignment or polarization of the nucleus results in an anisotropic emission of the electron-positron pairs which is closely related to the anisotropic emission of γ-rays. However, the angular correlation in the case of internal pair conversio...
متن کاملAlignment of heavy, few-electron ions following Coulomb excitation in collisions with light targets
In relativistic ion-atom and ion-electron collisions, different processes are known that lead to the formation of excited or ionized states of the projectile ions. In their subsequent de-excitation, the ions then often emit one (or several) x-ray photons until the ionic ground state is reached. From the analysis of this ‘characteristic’ radiation, important information can be obtained about the...
متن کاملFar-infrared-driven electron-hole correlations in a quantum dot with an internal tunneling barrier
Laser excited and FIR-driven, time-dependent electron-hole correlations in a prototypical GaAs quantum dot with an internal AlGaAs tunneling barrier are studied by numerical propagation of the time-dependent Schrödinger equation. The dimensions of the dot are 13325325 nm ~denoted x, y, and z directions, respectively!. The width of the symmetrically placed barrier in the x direction varies betwe...
متن کاملJa n 19 99 Particle emission following Coulomb excitation in ultrarelativistic heavy - ion collisions
We study nuclear reactions induced by virtual photons associated with Lorentz-boosted Coulomb fields of ultrarelativistic heavy ions. Evaporation , fission and multifragmentation mechanisms are included in a new RELDIS code, which describes the deexcitation of residual nuclei formed after single and double photon absorption in peripheral heavy-ion collisions. Partial cross sections for differen...
متن کامل