Measurement of transition quadrupole moments of high-spin states in the <i>N</i>=74 isotones Pr, Ce and La期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Measurement of transition quadrupole moments of high-spin states in the N=74 isotones Pr, Ce and La

Authors:	E. S. Paul, S. A. Forbes, J. Gizon, K. Hauschild, I. M. Hibbert, D. T. Joss, P. J. Nolan, B. M. Nyak , J. A. Sampson, A. T. Semple, R. Wadsworth, L. Walker, J. N. Wilson,L. Zolnai

Affiliation:	^a Oliver Lodge Laboratory, University of Liverpool, PO Box 147, Liverpool L69 7ZE, United Kingdom ^b Institut des Sciences Nucléaires, IN2P3-CNRS/Université Joseph Fourier, Grenoble, France ^c Department of Physics, University of York, Heslington, York YO1 5DD, United Kingdom ^d Institute of Nuclear Research, H-4001 Debrecen, Hungary

Abstract:	The Doppler-Shift Attenuation Method has been used to extract transition quadrupole moments of high-spin bands in the N=74 isotones ¹³³Pr, ¹³²Ce and ¹³¹La, produced in the ³⁷Cl + ¹⁰⁰Mo reaction. The results appear to be configuration dependent and, for ¹³³Pr and ¹³²Ce, the involvement of Ω=1/2 νh_9/2 and νf_7/2 intruder orbitals appears to enhance the collectivity at high spin (I>25 ).

Keywords:	http://www.sciencedirect.com/cache/MiamiImageURL/B6TVB-438BMRD-2-C/0?wchp=dGLbVzb-zSkWW" alt=" Image" title=" Image" align=" absbottom" border=" 0" height=12 width=" 144" /> ³⁷Cl+¹⁰⁰Mo at 155 MeV Enriched targets http://www.sciencedirect.com/cache/MiamiImageURL/B6TVB-438BMRD-2-D/0?wchp=dGLbVzb-zSkWW" alt=" Image" title=" Image" align=" absbottom" border=" 0" height=12 width=" 69" /> spectrometer array of HPGe detectors Measured fractional Doppler shifts Deduced Q_t Quadrupole deformations
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