The width of the giant dipole resonance built on excited states of Cu compound nuclei

1991 ◽  
Vol 340 (1) ◽  
pp. 59-62 ◽  
Author(s):  
B. Fornal ◽  
F. Gramegna ◽  
G. Prete ◽  
R. Burch ◽  
G. D'Erasmo ◽  
...  
Keyword(s):  
Excited States ◽  
Giant Dipole Resonance ◽  
Dipole Resonance

scholarly journals GDR Contribution to Coulomb Excitation. II. 17O

1982 ◽  
Vol 35 (3) ◽  
pp. 301 ◽  
Author(s):  
FC Barker
Keyword(s):  
Excited State ◽  
Shell Model ◽  
Excited States ◽  
Giant Dipole Resonance ◽  
Coulomb Excitation ◽  
Dipole Resonance ◽  
First Excited State ◽  
Virtual Excitation

The contribution to the Coulomb excitation of the first excited state of 170 due to virtual excitation of the giant dipole resonance (GDR) is calculated, using shell model wavefunctions for the ground and first excited states. A large value is obtained.

Statistical giant dipole resonance decay of highly excited states ofCu63

1987 ◽  
Vol 36 (2) ◽  
pp. 612-627 ◽  
Author(s):  
M. Kicińska-Habior ◽  
K. A. Snover ◽  
C. A. Gossett ◽  
J. A. Behr ◽  
G. Feldman ◽  
...  
Keyword(s):  
Excited States ◽  
Giant Dipole Resonance ◽  
Dipole Resonance ◽  
Resonance Decay

Exclusive measurement of the statistical γ-decay of the giant dipole resonance built on excited states in 114Sn

1988 ◽  
Vol 200 (1-2) ◽  
pp. 13-16 ◽  
Author(s):  
A. Stolk ◽  
W.H.A. Hesselink ◽  
H. Rijneveld ◽  
A. Balanda ◽  
J. Penninga ◽  
...  
Keyword(s):  
Excited States ◽  
Giant Dipole Resonance ◽  
Dipole Resonance ◽  
Exclusive Measurement

The Giant Dipole Resonance Built on Highly Excited States

1996 ◽  
pp. 231-236
Author(s):  
T. Suomijärvi ◽  
J. H. Le Faou ◽  
Y. Blumenfeld ◽  
P. Piattelli ◽  
C. Agodi ◽  
...  
Keyword(s):  
Excited States ◽  
Giant Dipole Resonance ◽  
Dipole Resonance

scholarly journals GDR Contribution to Coulomb Excitation. III. 18O

1982 ◽  
Vol 35 (4) ◽  
pp. 377 ◽  
Author(s):  
FC Barker
Keyword(s):  
Shell Model ◽  
Excited States ◽  
Giant Dipole Resonance ◽  
Coulomb Excitation ◽  
Model Calculations ◽  
Dipole Resonance

The discrepancy between the values of B(E2) for the transition between the ground and first excited states in 180 as obtained from Coulomb excitation measurements and from other measurements is here attributed to the giant dipole resonance (GDR) contribution to Coulomb excitation; an estimate based on shell model calculations predicts this contribution to be much larger than previously assumed.

Photoneutrons from 20Ne

1975 ◽  
Vol 53 (8) ◽  
pp. 795-801 ◽  
Author(s):  
J. G. Woodworth ◽  
J. W. Jury ◽  
K. H. Lokan ◽  
N. K. Sherman
Keyword(s):  
Excited States ◽  
Cross Section ◽  
Ground State ◽  
Giant Dipole Resonance ◽  
Time Of Flight ◽  
Photon Absorption ◽  
Absolute Cross Section ◽  
Energy Distributions ◽  
Dipole Resonance ◽  
Integrated Cross Section

Photoneutron energy distributions from a target of liquid neon have been measured at 90° by time of flight for bremsstrahlung endpoint energies increasing in 1 MeV steps from 19 to 32 MeV. The differential ground state cross section for the major (91%) isotope 20Ne has been obtained, together with an estimate of the strength of transitions to excited states of 19Ne. Six photoneutron groups are observed, reflecting photon absorption which correlates excellently with existing photoproton data, although the absolute cross section is about 10% smaller.It is noted that the giant dipole resonance, estimated by combining the photoneutron and photoproton data, is centered at approximately 20 MeV, which is anomalously low, and that the integrated cross section up to 28 MeV exhausts only half of the dipole sum.

The giant dipole resonance built on excited states in 113,114Sn and level densities in the vicinity of the neutron separation energy

1989 ◽  
Vol 505 (2) ◽  
pp. 241-256 ◽  
Author(s):  
A. Stolk ◽  
A. Balanda ◽  
M.N. Harakeh ◽  
W.H.A. Hesselink ◽  
J. Penninga ◽  
...  
Keyword(s):  
Excited States ◽  
Giant Dipole Resonance ◽  
Neutron Separation Energy ◽  
Separation Energy ◽  
Level Densities ◽  
Dipole Resonance

The Giant Dipole Resonance built on highly excited states — results of the MEDEA experiment

1994 ◽  
Vol 569 (1-2) ◽  
pp. 225-236 ◽  
Author(s):  
T. Suomijärvi ◽  
J.H. Le Faou ◽  
Y. Blumenfeld ◽  
P. Piattelli ◽  
C. Agodi ◽  
...  
Keyword(s):  
Excited States ◽  
Giant Dipole Resonance ◽  
Dipole Resonance

Role of isospin in the statistical decay of the giant dipole resonance built on excited states

1986 ◽  
Vol 176 (3-4) ◽  
pp. 297-301 ◽  
Author(s):  
M.N. Harakeh ◽  
D.H. Dowell ◽  
G. Feldman ◽  
E.F. Garman ◽  
R. Loveman ◽  
...  
Keyword(s):  
Excited States ◽  
Giant Dipole Resonance ◽  
Statistical Decay ◽  
Dipole Resonance

scholarly journals GDR Contribution to Coulomb Excitation. I. 1p Shell Nuclei

1982 ◽  
Vol 35 (3) ◽  
pp. 291 ◽  
Author(s):  
FC Barker
Keyword(s):  
Shell Model ◽  
Excited States ◽  
Giant Dipole Resonance ◽  
Coulomb Excitation ◽  
Dipole Resonance ◽  
Virtual Excitation

The contributions to the Coulomb excitation of the first excited states of 6Li, 7Li, lOB and 12C due to virtual excitation of the giant dipole resonance (GDR) are calculated, using shell model wavefunctions for the ground and first excited states. When the radial integrals are renormalized in order to fit the experimental B(E2) values for the transitions between these states, the calculated GDR contributions agree reasonably with the measured values in 6Li, 7Li and lOB.

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