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Journal Articles

Production of $$^{186 rm m}$$Re by proton bombardment of enriched $$^{186}$$W

Iimura, Hideki; Horiguchi, Takayoshi*; Ishida, Yoshihisa*; Ito, Mitsuo; Koizumi, Mitsuo; Miyabe, Masabumi; Oba, Masaki

Journal of the Physical Society of Japan, 77(2), p.025004_1 - 025004_2, 2008/02

 Times Cited Count:1 Percentile:11.68(Physics, Multidisciplinary)

The nucleus $$^{186 rm m}$$Re is of interest from the astrophysical point of view, since production of this nucleus in stars could change an accuracy of nucleo-cosmochronometer. In order to calculate the neutron capture cross section theoretically, it is necessary to know the spin of nucleus. However, the spin of $$^{186 rm m}$$Re has not been established so far. In order to clarify the nuclear structure of this nucleus, we plan laser spectroscopy of $$^{186 rm m}$$Re, and first, we measured the production yield of the ($$p,n$$) reaction. The experiment was carried out by irradiating a $$^{186}$$W target with a proton beam from the JAEA tandem accelerator. Rhenium was chemically separated from the irradiated sample, and then $$gamma$$-ray measurements were performed. As a result, we determined the production yield of the $$^{186}$$W($$p,n$$)$$^{186 rm m}$$Re reaction for the first time and suggested the same spin for $$^{186 rm m}$$Re as the known spin of $$I$$=8 for $$^{184 rm m}$$Re.

Journal Articles

Nuclear moments and isotope shifts of $$^{135}$$La, $$^{137}$$La and $$^{138}$$La by collinear laser spectroscopy

Iimura, Hideki; Koizumi, Mitsuo; Miyabe, Masabumi; Oba, Masaki; Shibata, Takemasa; Shinohara, Nobuo; Ishida, Yoshihisa*; Horiguchi, Takayoshi*; Schuessler, H. A.*

Physical Review C, 68(5), p.054328_1 - 054328_7, 2003/11

 Times Cited Count:10 Percentile:58.13(Physics, Nuclear)

no abstracts in English

Journal Articles

A Laser ion source with a thin ohmic-heating ionizer for the TIARA-ISOL

Koizumi, Mitsuo; Osa, Akihiko; Oshima, Masumi; Sekine, Toshiaki; Wakui, Takashi*; Jin, W.*; Katsuragawa, H.*; Miyatake, Hiroari*; Ishida, Yoshihisa*

Nuclear Instruments and Methods in Physics Research B, 204(1-4), p.359 - 362, 2003/05

 Times Cited Count:7 Percentile:46.85(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Mean-square nuclear charge radius of radioactive $$^{144}$$Ce by laser spectroscopy

Ishida, Y.*; Iimura, Hideki; Ichikawa, Shinichi; *

Physical Review C, 59(3), p.1794 - 1797, 1999/03

 Times Cited Count:7 Percentile:42.09(Physics, Nuclear)

no abstracts in English

Journal Articles

Isotope shifts of optical transitions in Ce II by collinear laser-ion-beam spectroscopy

Ishida, Y.*; ; ; *

Journal of Physics B; Atomic, Molecular and Optical Physics, 30(11), p.2569 - 2579, 1997/00

 Times Cited Count:13 Percentile:57.08(Optics)

no abstracts in English

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