Determination of the Static Quadrupole Moment of the First2+State inEr170by Coulomb Excitation UsingBr81Projectiles

1973 ◽  
Vol 8 (1) ◽  
pp. 391-397 ◽  
Author(s):  
Wendell R. Lutz ◽  
James A. Thomson ◽  
Rolf P. Scharenberg ◽  
Ronald D. Larsen ◽  
Roderick G. Kerr
Keyword(s):  
Quadrupole Moment ◽  
Coulomb Excitation ◽  
Static Quadrupole

scholarly journals Static Quadrupole Moment of the First Excited State of 28Si

1980 ◽  
Vol 33 (3) ◽  
pp. 509 ◽  
Author(s):  
RH Spear ◽  
MP Fewell
Keyword(s):  
Excited State ◽  
Quadrupole Moment ◽  
Coulomb Excitation ◽  
Mean Value ◽  
Experimental Result ◽  
Hartree Fock ◽  
Good Account ◽  
First Excited State ◽  
The Mean ◽  
Static Quadrupole

The reorientation effect in Coulomb excitation has been used to measure the static quadrupole moment Q2+ and B(E2;0+->2+) for the 1�779 MeV first excited state of 28Si. The results obtained are Q2+ = +15�5�3�4 efm2 and B(E2;0+->2+) = 326�20 e2fm4 ? The value obtained for Q2+ confirms the results of other recent determinations using the reorientation effect, and the B(E2; 0+ -> 2 +) value is in excellent agreement with the mean value deduced from previous lifetime determinations. Shell model and Hartree-Fock calculations of Q2+ both give a good account of the experimental result.

scholarly journals Coulomb Excitation of the 2·615 MeV (3?) and 4.086 MeV (2+) States of 208Pb

1984 ◽  
Vol 37 (2) ◽  
pp. 123 ◽  
Author(s):  
WJ Vermeer ◽  
MT Esat ◽  
JA Kuehner ◽  
RH Spear ◽  
AM Baxter ◽  
...  
Keyword(s):  
Quadrupole Moment ◽  
Electron Scattering ◽  
Coulomb Excitation ◽  
Theoretical Calculations ◽  
A Value ◽  
O 15 ◽  
Static Quadrupole

Coulomb excitation studies of the 2�615 MeV (3-) and 4�086 MeV (2+) states of 208Pb have been carried out using 12C and 160 projectiles at various energies and scattering angles. Results for the 3- state are: B(E3;O+~3-) = O'611�O'012e2b 3 ; and the static quadrupole moment Q3 - = - O�34� O�15 e b, which is larger in magnitude than most theoretical calculations. Results for the 2+ state imply that Q2+ = -0�7�0�3 eb if a value for B(E2;0+~2+) determined from electron scattering work is assumed.

Static Quadrupole Moment of the Ground State ofCr53Determined by Coulomb Excitation

1973 ◽  
Vol 7 (4) ◽  
pp. 1413-1418 ◽  
Author(s):  
J. A. Thomson ◽  
R. P. Scharenberg ◽  
W. R. Lutz ◽  
R. D. Larsen
Keyword(s):  
Quadrupole Moment ◽  
Ground State ◽  
Coulomb Excitation ◽  
Static Quadrupole

Reorientation Measurement in 56Fe

1972 ◽  
Vol 50 (5) ◽  
pp. 475-480 ◽  
Author(s):  
J. A. Cameron ◽  
A. W. Gibb ◽  
T. Taylor ◽  
Z. Zámori
Keyword(s):  
Quadrupole Moment ◽  
Cross Sections ◽  
Energy Region ◽  
Coulomb Excitation ◽  
Nuclear Interaction ◽  
Semiconductor Detectors ◽  
Static Quadrupole

The reorientation effect in Coulomb excitation has been used to measure the static quadrupole moment of the first 2+ level of 56Fe. Using beams of 4He and 16O on thin highly enriched targets and observing the spectrum of scattered particles in semiconductor detectors, we have obtained directly the ratios of inelastic to elastic cross sections. The measurements give[Formula: see text]The ambiguity arises from uncertainty in the relative signs of interfering matrix elements.For the case of He scattering, DWBA calculations were carried out to check the energy region where nuclear interaction begins to appear.

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