Character of an 8- isomer of 130Ba
Moore, R., Bruce, A.M., Dendooven, P., Billowes, J., Campbell, P., Ezwam, A., Flanagan, K.T., Forest, D.H., Huikari, J., Jokinen, A., Nieminen, A., Thayer, H.L., Tungate, G., Zemlyanoi, S. and Äystö, J. (2002) Character of an 8- isomer of 130Ba Physics letters B, 547 (3-4). pp. 200-204. ISSN 0370-2693
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Official URL: http://dx.doi.org/10.1016/S0370-2693(02)02784-3
The static moments and isomer shift of the Jπ=Kπ=8− isomeric state in 130 56Ba have been measured using the technique of collinear laser spectroscopy. The isomer has been found to have a magnetic dipole moment of −0.043(28) μN and a static quadrupole moment of +2.77(30) b. These values have been used to assign the state as a two neutron Image configuration corresponding to a prolate shape. The half-life of the isomer has been confirmed as 9.54(14) ms. The change in the mean square charge radius was found to be <r2>130m−<r2> 130g–s=−0.0473(30)fm2.
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