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Inelastic scattering induced fission of {sup 24}Mg nucleus

Abstract

Spectroscopy of highly excited states of {sup 24}Mg decaying into two ground state {sup 12}C nuclei has been studied from the inelastic scattering of a 175 MeV beam of {sup 24}Mg on a {sup 12}C target. The observation of large level spacings at excitation energies ranging from 19 to 30 MeV suggests that these states could belong to a secondary well in the fission barrier. A theoretical support of such a hypothesis has been given by a Hartree - Fock - Bogolyubov calculation of the deformation potential energy surface of {sup 24}Mg which exibits a progressive formation of a pocket in the fission barrier for angular momenta above 8h. In the same experiment the fission of {sup 28}Si into {sup 12}C and {sup 16}O in their respective ground state have also been observed.
Authors:
Magnaco-Charvet, C; Blons, J; Paya, D; Signarbieux, C; [1]  Girod, M; Berger, J F; [2]  Sim, K S [3] 
  1. CEA Centre d`Etudes de Saclay, 91 - Gif-sur-Yvette (FR). Direction des Sciences de la Matiere
  2. CEA Centre d`Etudes de Bruyeres-le-Chatel, 91 (FR)
  3. Korea Univ., Seoul (KR). Dept. of Physics
Publication Date:
Dec 31, 1991
Product Type:
Conference
Report Number:
CEA-CONF-10683; CONF-9106336-
Reference Number:
SCA: 663450; 663520; 663530; PA: FRD-92:000139; SN: 92000669783
Resource Relation:
Conference: 6. international conference on nuclear reactions mechanisms,Varenna (Italy),10-15 Jun 1991; Other Information: PBD: 1991
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; MAGNESIUM 24; FISSION; CARBON 12 TARGET; FISSION FRAGMENTS; MAGNESIUM 24 REACTIONS; INELASTIC SCATTERING; EXCITED STATES; DECAY; CARBON 12; GROUND STATES; MEV RANGE 100-1000; FISSION BARRIER; HARTREE-FOCK-BOGOLYUBOV THEORY; ENERGY SPECTRA; 663450; 663520; 663530; HEAVY-ION-INDUCED REACTIONS AND SCATTERING; A = 6-19; A = 20-38
OSTI ID:
10122815
Research Organizations:
CEA Centre d`Etudes Nucleaires de Saclay, 91 - Gif-sur-Yvette (France). Direction des Sciences de la Matiere
Country of Origin:
France
Language:
English
Other Identifying Numbers:
Other: ON: DE92772863; TRN: FR9200139
Availability:
OSTI; NTIS (US Sales Only)
Submitting Site:
FRN
Size:
9 p.
Announcement Date:
Jun 30, 2005

Citation Formats

Magnaco-Charvet, C, Blons, J, Paya, D, Signarbieux, C, Girod, M, Berger, J F, and Sim, K S. Inelastic scattering induced fission of {sup 24}Mg nucleus. France: N. p., 1991. Web.
Magnaco-Charvet, C, Blons, J, Paya, D, Signarbieux, C, Girod, M, Berger, J F, & Sim, K S. Inelastic scattering induced fission of {sup 24}Mg nucleus. France.
Magnaco-Charvet, C, Blons, J, Paya, D, Signarbieux, C, Girod, M, Berger, J F, and Sim, K S. 1991. "Inelastic scattering induced fission of {sup 24}Mg nucleus." France.
@misc{etde_10122815,
title = {Inelastic scattering induced fission of {sup 24}Mg nucleus}
author = {Magnaco-Charvet, C, Blons, J, Paya, D, Signarbieux, C, Girod, M, Berger, J F, and Sim, K S}
abstractNote = {Spectroscopy of highly excited states of {sup 24}Mg decaying into two ground state {sup 12}C nuclei has been studied from the inelastic scattering of a 175 MeV beam of {sup 24}Mg on a {sup 12}C target. The observation of large level spacings at excitation energies ranging from 19 to 30 MeV suggests that these states could belong to a secondary well in the fission barrier. A theoretical support of such a hypothesis has been given by a Hartree - Fock - Bogolyubov calculation of the deformation potential energy surface of {sup 24}Mg which exibits a progressive formation of a pocket in the fission barrier for angular momenta above 8h. In the same experiment the fission of {sup 28}Si into {sup 12}C and {sup 16}O in their respective ground state have also been observed.}
place = {France}
year = {1991}
month = {Dec}
}