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A detailed investigation of the thermal neutron induced ternary fission of ^2^3^5U

Guet, C. ; Signarbieux, C. ; Perrin, P. ; [weitere]

Amsterdam : Elsevier

Nuclear Physics, Section A 314 (1979), S. 1-26

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ISSN: 0375-9474

Schlagwort(e): Nuclear fission

Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Thema: Physik

Materialart: Digitale Medien

URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(79)90551-7

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Stability of charged metal clusters in the vicinity of an ionic charge (2003)

Hamada, K. ; Wada, T. ; Guet, C.

Springer

The European physical journal 23 (2003), S. 359-368

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ISSN: 1434-6079

Schlagwort(e): PACS. 36.40.Qv Stability and fragmentation of clusters – 36.40.Wa Charged clusters

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract: Stability of highly charged metal clusters in the electric field of an external ion is investigated with the classical liquid drop model. We study the optimum shape of the cluster which has a local minimum of the total energy, taking account of the effects of the surface charge polarization on the Coulomb energy and the cluster deformation on the surface energy. We find that the cluster deformation greatly affects the total energy of the system and that a cluster with a fissility larger than some critical value 0.7-0.8 can become unstable against deformation. We investigate the local competition between the Coulomb force and the surface tension at the cluster surface and show that the surface charge polarization which is induced by the external electric field significantly affects the shape of the cluster and its stability.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1140/epjd/e2003-00062-4

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Ionic structure effects on the optical response of lithium clusters (1993)

Blundell, S. A. ; Guet, C.

Springer

The European physical journal 28 (1993), S. 81-85

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ISSN: 1434-6079

Schlagwort(e): 71.10.+x ; 36.40.+d ; 31.10.+z

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract The optical response of alkali metal clusters is shown to be sensitive to a proper treatment of the electronion interaction and to the ionic spatial structure. A spherical symmetry model based on a combination of a geometrical optimization of the ionic structure and the random phase approximation (RPA) with exact exchange is applied to calculate the optical response of Li 139 + . The optical response obtained within this model is in good agreement with the measured giant dipole resonance.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01437458

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