Quadrupole moment and a proton halo structure in F-17(I(pi) = 5/2+)

Zhou, Dong-Mei; Zheng, Yong-Nan; Yuan, Da-Qing; Zhang, Xi-Zhen; Zuo, Yi; Zhang, Chun-Lei; Wang, Zhi-Qiang; Du, En-Peng; Luo, Hai-Long; Xu, Guo-Ji

doi:10.1088/0954-3899/34/3/010

Quadrupole moment and a proton halo structure in F-17(I(pi) = 5/2+)

2007

6 pages

Published in:

J.Phys.G 33 (2007) 523-528

DOI:

10.1088/0954-3899/34/3/010

View in:

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Abstract: (IOP)

The quadrupole moment of light nuclei17F in the ground state (Iπ= 5/2+) is measured by the β–NMR method. The effective charge of the last proton in a d5/2orbit for17F is extracted from the measured quadrupole momentQ(17F) divided by the quadrupole momentQspcalculated with a single particle model. A proton effective charge ofeeffp= 1.12 ± 0.07eis obtained, which is in agreement with that given by a particle–vibration coupling model calculation within the experimental error. The present value of the proton effective charge is strong evidence for the existence of a proton skin in17F (Iπ= 5/2+).

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