Elsevier

Nuclear Physics A

Volume 290, Issue 1, 24 October 1977, Pages 253-271
Nuclear Physics A

Experimental study of Yb nuclei at high angular momentum

https://doi.org/10.1016/0375-9474(77)90678-9Get rights and content

Abstract

Methods have been developed to study the continuum γ-ray spectrum following heavy-ion compound-nucleus reactions. In the Yb nuclei studied these spectra were found to depend mainly on the input angular momentum, and not on the target-projectile system. The gross features of the spectra are a high-energy tail of ≈ 4 transitions corresponding to the statistical cascade and a lower-energy bump composed of many unresolved collective E2 transitions. Several methods were devised to obtain moment-of-inertia values from the detailed features of this bump for angular momenta as high as 50 ħ.

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    This work was done with support from the US Energy Research and Development Administration.

    ††

    This work was donewith support fromthe USEnergy Research and Development Administration.

    †††

    Present eddraa : Geaelhchaf fr Schwerionenforschung, 6100 Darmstadt, Postfach 1105 41, Germany.

    Present address: The Australian National university, Canberra, ACT 2600, Australia.

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