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Parity nonconservation in electron recombination of multiply charged ions | | G. F. Gribakin
; F. J. Currell
; M. G. Kozlov
; A. I. Mikhailov
; | | Date: |
19 Apr 2005 | | Journal: | Phys.Rev. A72 (2005) 032109 DOI: 10.1103/PhysRevA.72.032109 | | Subject: | Atomic Physics | physics.atom-ph hep-ph | | Abstract: | We discuss a parity nonconserving asymmetry in the cross section of KLL dielectronic recombination of polarized electrons on the hydrogen-like ions with $Z lesssim 60$. This effect is strongly enhanced because of the near-degeneracy of doubly-excited $2l2l’$ states of opposite parity in He-like ions. For ions with $Z sim 30$ the asymmetry is of the order of $10^{-9}$. For $Z approx 48$ a level crossing takes place, leading to the PNC asymmetry of $-1.3 imes 10^{-8}$, which is $10^8$ times greater than the basic strength of the weak interaction in atoms. | | Source: | arXiv, physics/0504129 | | Services: | Forum | Review | PDF | Favorites | |
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