Pt200201的气室激光共振电离光谱

IF 3.4 2区物理与天体物理 Q1 Physics and Astronomy

Physical Review C Pub Date : 2022-09-30 DOI:10.1103/physrevc.106.034326

Y. Hirayama, M. Mukai, Y. Watanabe, P. Schury, H. Nakada, J. Moon, T. Hashimoto, S. Iimura, S. Jeong, M. Rosenbusch, M. Oyaizu, T. Niwase, M. Tajima, A. Taniguchi, M. Wada, H. Miyatake

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引用次数: 1

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In-gas-cell laser resonance ionization spectroscopy of Pt200,201

The experimentally measured nuclear quadrupole deformation parameters of mercury, gold, platinum, and iridium approach the value for the spherical shape with increasing neutron number. 1) However, for iridium isotopes, the ﬁnite-range droplet model (FRDM) 2) predicts a shape transition from prolate ( A ≦ 196 ) to oblate ( A ≧ 197 ) at A = 197 . We have investigated the evolution of nuclear structure of iridium isotopes, 196 – 198 Ir ( Z = 77 , N = 119 –121), with in-gas-cell laser ionization spectroscopy as the ﬁrst step of a systematic study of nuclear structures for nuclei around N = 126 at the KEK Isotope Separation System (KISS). 3) In the present work, we report the magnetic dipole moments ( µ ), mean-square charge radii, and nuclear quadrupole deformation parameters ( β 2 ), as determined from hyperﬁne structure (HFS) measurements.

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来源期刊

Physical Review C 物理-物理：核物理

CiteScore

5.70

自引率

35.50%

发文量

审稿时长

1-2 weeks

期刊介绍： Physical Review C (PRC) is a leading journal in theoretical and experimental nuclear physics, publishing more than two-thirds of the research literature in the field. PRC covers experimental and theoretical results in all aspects of nuclear physics, including: Nucleon-nucleon interaction, few-body systems Nuclear structure Nuclear reactions Relativistic nuclear collisions Hadronic physics and QCD Electroweak interaction, symmetries Nuclear astrophysics