High-spin transition quadrupole moments in neutron-rich Mo and Ru nuclei: testing $\gamma $ softness?
Nuclear Experiment
2015-06-17 v1
Abstract
The transition quadrupole moments, , of rotational bands in the neutron-rich, even-mass Mo and Ru nuclei were measured in the 8 to 16 spin range with the Doppler-shift attenuation method. The nuclei were populated as fission fragments from Cf fission. The detector setup consisted of the Gammasphere spectrometer and the HERCULES fast-plastic array. At moderate spin, the moments are found to be reduced with respect to the values near the ground states. Attempts to describe the observations in mean-field-based models, specifically cranked relativistic Hartree-Bogoliubov theory, illustrate the challenge theory faces and the difficulty to infer information on softness and triaxiality from the data.
Keywords
Cite
@article{arxiv.1309.3320,
title = {High-spin transition quadrupole moments in neutron-rich Mo and Ru nuclei: testing $\gamma $ softness?},
author = {J. B. Snyder and W. Reviol and D. G. Sarantites and A. V. Afanasjev and R. V. F. Janssens and H. Abusara and M. P. Carpenter and X. Chen and C. J. Chiara and J. P. Greene and T. Lauritsen and E. A. McCutchan and D. Seweryniak and S. Zhu},
journal= {arXiv preprint arXiv:1309.3320},
year = {2015}
}
Comments
17 pages, 4 figures