Elsevier

Nuclear Physics A

Volume 284, Issue 1, 27 June 1977, Pages 123-134
Nuclear Physics A

Measurement of the static quadrupole moments of the first 2+ states in 76Se, 78Se, 80Se and 82Se

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Abstract

The reorientation effect in Coulomb excitation was employed to measure the static quadrupole moments of the first 2+ excited states in 76Se, 78Se, 80Se, and 82Se. Beams of 4He and 16O were used on thin highly enriched targets and the resulting spectra of the well resolved backward elastic and inelastic scattered particles were detected by four surface-barrier detectors. For constructive interference via the second 2+ excited states the determined quadrupole moments are: −0.34±0.07 e·b for76Se; −0.26±0.09 e·b for78Se; −0.31±0.07 e·b for80Se; −0.22±0.07 e·b for82Se.

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    Research supported by the National Research Council of Canada.

    ††

    Present address: Brookhaven National laboratory, Upton, NY, USA.

    †††

    Present address: Centre Hos[pitalier de Sherbrooke, Dèpartment de Mèdecine Nuclèaire, Sherbrooke, Canada.

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