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Journal Articles

Experimental identification of spin-parities and single-particle configurations in $$^{257}$$No and its $$alpha$$-decay daughter $$^{253}$$Fm

Asai, Masato; Tsukada, Kazuaki; Sakama, Minoru*; Ichikawa, Shinichi; Ishii, Tetsuro; Nagame, Yuichiro; Nishinaka, Ichiro; Akiyama, Kazuhiko; Osa, Akihiko; Oura, Yasuji*; et al.

Physical Review Letters, 95(10), p.102502_1 - 102502_4, 2005/09

 Times Cited Count:62 Percentile:88.35(Physics, Multidisciplinary)

Excited states in $$^{253}$$Fm fed by the $$alpha$$ decay of $$^{257}$$No have been established through $$alpha$$-$$gamma$$ and $$alpha$$-electron coincidence spectroscopy using a gas-jet transport system and an on-line isotope separator. The spin-parity of the 124.1 keV level in $$^{253}$$Fm has been identified on the basis of the measured internal conversion coefficients. The $$nu 3/2^{+}[622]$$ configuration has been assigned to the ground state of $$^{257}$$No as well as to the 124.1 keV level. It was found that the ground state configuration of $$^{257}$$No is different from that of lighter $$N=155$$ isotones.

JAEA Reports

Manufacture of high-speed neutral atomic and molecular beam apparatus and its characterization

Hachiue, Shunsuke; Teraoka, Yuden

JAERI-Tech 2004-066, 69 Pages, 2004/11

JAERI-Tech-2004-066.pdf:7.44MB

In order to progress chemical reaction studies at verious material surfaces using high speed and reactive ions and neutral particles beams, a high-speed neutral atomic and molecular beam apparatus has been developed. In this report, details of the apparatus and characteristics of actually-generated oxygen atomic and molecular ion/neutral beams are discribed. This apparatus is a ultra-high vacuum system consisting of a plasma ion source, electrostatic lens systems, a mass separator, and a charge transfer chamber. Total oxygen ion currents of 52 microamps at accerelation energy of 8 keV and 17 microamps even at 20 eV were obtained. Mass separation was also good so that an oxygen molecular ion beam of 11 microamps and an oxygen atomic ion beam of 5.5 microamps were obtained even at 20 eV. A neutral oxygen atomic or molecular beam was also generated with the flux density of 10$$^{12}$$ particles/cm$$^{2}$$/s.

Journal Articles

Experiment on the synthesis of element 113 in the reaction $$^{209}$$Bi($$^{70}$$Zn,n)$$^{278}$$113

Morita, Kosuke*; Morimoto, Koji*; Kaji, Daiya*; Akiyama, Takahiro*; Goto, Shinichi*; Haba, Hiromitsu*; Ideguchi, Eiji*; Kanungo, R.*; Katori, Kenji*; Koura, Hiroyuki; et al.

Journal of the Physical Society of Japan, 73(10), p.2593 - 2596, 2004/10

 Times Cited Count:437 Percentile:99.2(Physics, Multidisciplinary)

The isotope of the 113th element, $$^{278}$$113, and its daughter nuclei, $$^{274}$$111 and $$^{270}$$Mt, were obserbed, for the first time, in the $$^{209}$$Bi + $$^{70}$$Zn reaction at a beam energy of 349.1 MeV with a total dose of 1.6$$times$$10$$^{19}$$. The production cross section of $$^{278}$$113 is deduced to be $$57^{+154}_{-47}$$ fb ($$10^{-39}$$ cm$$^2$$).

Journal Articles

Recent results from the JAERI recoil mass separator

Mitsuoka, Shinichi; Ikezoe, Hiroshi; Ikuta, T.*; Hamada, Shingo; Nagame, Yuichiro; Tsukada, Kazuaki; Nishinaka, Ichiro; Otsuki, Tsutomu*

Journal of Radioanalytical and Nuclear Chemistry, 239(1), p.155 - 157, 1999/00

 Times Cited Count:0 Percentile:0.01(Chemistry, Analytical)

no abstracts in English

Journal Articles

Moessbauer spectroscopy of $$^{133}$$Cs following the decay of $$^{133}$$Xe atoms implanted in metals

*; *; *; *; *; *; Muto, Suguru*; Koizumi, Mitsuo; Osa, Akihiko; Sekine, Toshiaki; et al.

Journal of Radioanalytical and Nuclear Chemistry, 239(2), p.251 - 255, 1999/00

 Times Cited Count:0 Percentile:0.01(Chemistry, Analytical)

no abstracts in English

Journal Articles

Calibration and interpretation of Moessbauer isomer shift of the 81-keV transition in $$^{133}$$Cs

*; *; *; *; *; *; *; *; Muto, Suguru*; Koizumi, Mitsuo; et al.

Physical Review B, 58(17), p.11313 - 11321, 1998/11

 Times Cited Count:5 Percentile:33.09(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

A Simple retardation system for low-energy implantation of mass-separated radioactive ions

*; *; *; Osa, Akihiko; Koizumi, Mitsuo; Sekine, Toshiaki; *; *

Nuclear Instruments and Methods in Physics Research B, 134, p.126 - 135, 1998/00

 Times Cited Count:1 Percentile:22.53(Instruments & Instrumentation)

no abstracts in English

Journal Articles

$$alpha$$-decay properties of the new neutron deficient isotope $$^{212}$$Pa

Mitsuoka, Shinichi; Ikezoe, Hiroshi; *; Nagame, Yuichiro; Tsukada, Kazuaki; ; Oura, Yasutsugu*

Physical Review C, 55(3), p.1555 - 1558, 1997/03

 Times Cited Count:27 Percentile:80.25(Physics, Nuclear)

no abstracts in English

Journal Articles

Development of a laser ion source for the TIARA-ISOL

Koizumi, Mitsuo; Osa, Akihiko; Sekine, Toshiaki; *

"Fuanteikaku No Rikogaku Oyobi Kaku Keisokuho(II)" Ni Kansuru Semmon Kenkyukai Hokokusho, 0, p.54 - 57, 1997/00

no abstracts in English

Journal Articles

Development of a laser ion source with pulsed ion extraction

Koizumi, Mitsuo; Osa, Akihiko; Sekine, Toshiaki; *

Nuclear Instruments and Methods in Physics Research B, 126(1-4), p.100 - 104, 1997/00

 Times Cited Count:8 Percentile:57.55(Instruments & Instrumentation)

no abstracts in English

Journal Articles

$$alpha$$ decay of a new isotope $$^{209}$$Th

Ikezoe, Hiroshi; *; Hamada, S.; Nagame, Yuichiro; ; Tsukada, Kazuaki; Oura, Yasutsugu*

Physical Review C, 54(4), p.2043 - 2046, 1996/10

 Times Cited Count:21 Percentile:73.8(Physics, Nuclear)

no abstracts in English

Journal Articles

Status report on studies with the TIARA-ISOL of JAERI

Sekine, Toshiaki; Koizumi, Mitsuo; Osa, Akihiko

KURRI-KR-3, 0, p.13 - 17, 1996/00

no abstracts in English

Journal Articles

Analysis of ROSA-IV/LSTF 10% main steam line break test RUN SB-SL-01 using RELAP5/MOD3

H.Lee*; H.Seong*; G.Park*; Kumamaru, Hiroshige; Kukita, Yutaka

Proc. of ASME$$cdot$$JSME 4th Int. Conf. on Nuclear Engineering 1996 (ICONE-4), 3, p.41 - 50, 1996/00

no abstracts in English

Journal Articles

Identification of praseodymium-125 and its significance

Kawade, Kiyoshi*; Sekine, Toshiaki

Genshiryoku Kogyo, 41(7), p.60 - 66, 1995/00

no abstracts in English

JAEA Reports

In-pile test of the crud separator system in the HBWR; Development of the crud separator system, II

; Iimura, Katsumichi; Yokouchi, Iichiro; Nakagawa, Tetsuya;

JAERI-M 90-231, 17 Pages, 1991/01

JAERI-M-90-231.pdf:0.8MB

no abstracts in English

JAEA Reports

Out-of-pile test of the crud separator system; Development of the crud separator system, I

; Iimura, Katsumichi;

JAERI-M 90-230, 20 Pages, 1991/01

JAERI-M-90-230.pdf:0.53MB

no abstracts in English

Journal Articles

Measurement of hyperfine structure of the 4f$$^{3}$$5d $$^{5}$$G-4f$$^{3}$$6p$$^{5}$$H in PrII by collinear laser-ion-beam spectroscopy

; Nakahara, Yoshinori; ; *; *; *

Journal of the Physical Society of Japan, 59(12), p.4208 - 4210, 1990/12

 Times Cited Count:11 Percentile:72.77(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Production and $$beta$$-decay study of the T$$_{z}$$=-1 nucleus $$^{4}$$$$^{8}$$Mn

; J.Cerny*; R.Kirchner*; O.Klepper*; V.T.Koslowsky*; A.Plochocki*; E.Roeckl*; D.Schardt*; B.Sherrill*

GSI-86-1, P. 41, 1986/00

no abstracts in English

18 (Records 1-18 displayed on this page)
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