The quadrupole moment of 26Mg as a test of shell-model interactions |
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| Authors: | RH Spear TH Zabel MT Esat AM Baxter S Hinds |
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| Institution: | Department of Nuclear Physics. Australian National University, Canberra, Australia, 2600;Physics Department, Australian National University, Canberra, Australia, 2600 |
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| Abstract: | The static quadrupole moment Q21+, and the B(E2; 01+ → 2+1) value of the first excited state of26Mg have been measured using the reorientation effect in Coulomb excitation of 26Mg projectiles. It is found that Q21+ = ?13.6±3.0 (?9.5±3.0) e ·fm2 and B(E2; 0+1 → 2+1) = 322±16 (328±16) e2 ·fm4 for constructive (destructive) interference from higher states. The result for Q2 clearly differentiates among several alternative effective interactions which have been used in shell-model calculations. |
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| Keywords: | Nuclear reactions |
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