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Phys. Rev. C 60, 014605 (1999) [14 pages]

Quasielastic knock-out of clusters by electrons and nuclear restructuring effects

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Alexander Sakharuk
National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824-1321
Brest State University, Brest 224665, Belarus

Vladimir Zelevinsky
National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824-1321

V. G. Neudatchin
Institute of Nuclear Physics, Moscow State University, Moscow 119899, Russia

Received 18 December 1998; published 16 June 1999

The general microscopic formalism is presented for the description of the quasielastic knock-out of α clusters from p-shell nuclei by ultrarelativistic electrons. Manifestations of nuclear structure in differential cross sections and angular distributions are studied. The typical 12C(e,e′α)8Be reaction is considered in the PWIA and DWIA approximations; particular attention is paid to the effects of virtually excited cluster states inside the initial nucleus. Suggestions for the observation of nuclear restructuring effects (interplay between diagonal and off-diagonal transitions with respect to the intrinsic state of the cluster) are proposed.


©1999 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevC.60.014605
DOI: 10.1103/PhysRevC.60.014605
PACS: 25.30.Fj, 21.60.Gx

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