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1

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

Guet, C. ; Signarbieux, C. ; Perrin, P. ; [et al.]

Amsterdam : Elsevier

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

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ISSN: 0375-9474

Keywords: Nuclear fission

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Physics

Type of Medium: Electronic Resource

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

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2

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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

Keywords: PACS. 36.40.Qv Stability and fragmentation of clusters – 36.40.Wa Charged clusters

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: 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.

Type of Medium: Electronic Resource

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

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3

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Static electric dipole polarizabilities of alkali clusters (1999)

Rayane, D. ; Allouche, A.R. ; Benichou, E. ; [et al.]

Springer

The European physical journal 9 (1999), S. 243-248

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ISSN: 1434-6079

Keywords: PACS: 36.40.-c Atomic and molecular clusters – 32.10.Dk Electric and magnetic moments, polarizability – 31.15.Ew Density functional theory

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract. We have measured the static dipole polarizability of lithium and sodium clusters (n=1-22). Values measured for sodium are in agreement with previous experiments. While the polarizability per atom for sodium clusters decreases slowly as a function of the cluster size, a sharp decrease between sizes 1 and 4 is observed for lithium clusters. Experimental values are compared to Density Functional Theory (DFT/PW91) calculations. The size evolutions for sodium and lithium cluster polarizabilities are well reproduced by our calculations. The sharp decrease observed for small lithium clusters is discussed in terms of electronic density.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/s100530050433

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4

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Stopping power and nano-particles: Collisions of ions in low charge states with metallic clusters (2001)

Bergen, T. ; Brenac, A. ; Chandezon, F. ; [et al.]

Springer

The European physical journal 14 (2001), S. 317-322

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ISSN: 1434-6079

Keywords: PACS. 36.40.Wa Charged clusters – 34.50.Bw Energy loss and stopping power

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract: In an experimental study, the multi-ionisation of metallic clusters (Nan) has been analysed in collisions with light ions in low charge states (H+, He+, He2+, O3+) at collision velocities below 1 a.u. Cluster ions are produced in charge states up to 5+. The average charge of the nano-particles is found to increase linearly with the variation of projectile velocity and the square of the effective projectile charge, well in agreement with the electronic stopping power of the bulk material. A fraction of 50% to 30% of the total projectile energy loss (decreasing with velocity) is transferred into vibrational modes in good agreement with recent theoretical predictions.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/s100530170198

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5

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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

Keywords: 71.10.+x ; 36.40.+d ; 31.10.+z

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: 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.

Type of Medium: Electronic Resource

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

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