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Journal Articles

Current status of a JAEA development program on nuclear and radioactive materials detection techniques in major public events

Koizumi, Mitsuo; Takahashi, Tone; Hironaka, Kota; Mochimaru, Takanori*; Yamaguchi, Ikuto*; Kimura, Yoshiki; Tanigaki, Minoru*; Masaki, Hiroko*; Harada, Hiroshi*; Goto, Jun*; et al.

Proceedings of INMM & ESARDA Joint Annual Meeting 2023 (Internet), 7 Pages, 2023/05

Journal Articles

Mass-resolved momentum imaging of three dichloroethylene isomers by femtosecond laser-induced coulomb explosion

Wada, Yoriko*; Akagi, Hiroshi*; Kumada, Takayuki; Itakura, Ryuji*; Wakabayashi, Tomonari*

Photochem (Internet), 2(3), p.798 - 809, 2022/09

https://doi.org/10.3390/photochem2030051

Coulomb explosion experiments using 60 fs laser pulses were conducted for structural characterization of three dichloroethylene isomers. Under laser intensity at 1.8 $$times$$ 10$$^{14}$$ W/cm$$^2$$, mass-resolved momentum imaging (MRMI) for selected fragment ions of $$^{35}$$Cl$$^+$$ and C$$^{2+}$$ revealed different patterns for the three isomers. The C$${2+}$$ ion fragmented from multiply charged trans-1,2-DCE was forced to leave perpendicularly to the direction of the laser polarization, due to recoil forces from adjacent cations. In contrast, the fast ions of C$${2+}$$ from cis-1,2-DCE exhibited an isotropic distribution, whereas the fast ions of C$${2+}$$ from 1,1-DCE recoiled along the laser polarization together with the slow C$${2+}$$ ions, and thereby distinction of the three isomers was demonstrated. Coulomb explosion occurs predominantly at specific orientation, which is useful for potential applications of MRMI analysis to molecular structure assays.

Journal Articles

Electronic structure of the high-$$T_{rm C}$$ ferromagnetic semiconductor (Ga,Fe)Sb; X-ray magnetic circular dichroism and resonance photoemission spectroscopy studies

Sakamoto, Shoya*; Tu, N. T.*; Takeda, Yukiharu; Fujimori, Shinichi; Hai, P. N.*; Anh, L. D.*; Wakabayashi, Yuki*; Shibata, Goro*; Horio, Masafumi*; Ikeda, Keisuke*; et al.

Physical Review B, 100(3), p.035204_1 - 035204_8, 2019/07

https://doi.org/10.1103/PhysRevB.100.035204

Journal Articles

Electronic structure of the high-$$T_{rm C}$$ ferromagnetic semiconductor (Ga,Fe)Sb; X-ray magnetic circular dichroism and resonance photoemission spectroscopy studies

Sakamoto, Shoya*; Tu, N. T.*; Takeda, Yukiharu; Fujimori, Shinichi; Hai, P. N.*; Anh, L. D.*; Wakabayashi, Yuki*; Shibata, Goro*; Horio, Masafumi*; Ikeda, Keisuke*; et al.

Physical Review B, 100(3), p.035204_1 - 035204_8, 2019/07

https://doi.org/10.1103/PhysRevB.100.035204
 Times Cited Count：16 Percentile：59.89(Materials Science, Multidisciplinary)

Journal Articles

Local magnetic states of the weakly ferromagnetic iron-based superconductor Sr$$_{2}$$VFeAsO$$_{3-delta}$$ studied by X-ray magnetic circular dichroism

Horio, Masafumi*; Takeda, Yukiharu; Namiki, Hiromasa*; Katagiri, Takao*; Wakabayashi, Yuki*; Sakamoto, Shoya*; Nonaka, Yosuke*; Shibata, Goro*; Ikeda, Keisuke*; Saito, Yuji; et al.

Journal of the Physical Society of Japan, 87(10), p.105001_1 - 105001_2, 2018/10

https://doi.org/10.7566/JPSJ.87.105001
 Times Cited Count：2 Percentile：19.30(Physics, Multidisciplinary)

Journal Articles

Cation distribution and magnetic properties in ultrathin (Ni$$_{1-x}$$Co$$_{x}$$)Fe$$_{2}$$O$$_{4}$$ (x=0-1) layers on Si(111) studied by soft X-ray magnetic circular dichroism

Wakabayashi, Yuki*; Nonaka, Yosuke*; Takeda, Yukiharu; Sakamoto, Shoya*; Ikeda, Keisuke*; Chi, Z.*; Shibata, Goro*; Tanaka, Arata*; Saito, Yuji; Yamagami, Hiroshi; et al.

Physical Review Materials (Internet), 2(10), p.104416_1 - 104416_12, 2018/10

https://doi.org/10.1103/PhysRevMaterials.2.104416
 Times Cited Count：14 Percentile：43.74(Materials Science, Multidisciplinary)

Journal Articles

Origin of robust nanoscale ferromagnetism in Fe-doped Ge revealed by angle-resolved photoemission spectroscopy and first-principles calculation

Sakamoto, Shoya*; Wakabayashi, Yuki*; Takeda, Yukiharu; Fujimori, Shinichi; Suzuki, Hakuto*; Ban, Yoshisuke*; Yamagami, Hiroshi; Tanaka, Masaaki*; Oya, Shinobu*; Fujimori, Atsushi*

Physical Review B, 95(7), p.075203_1 - 075203_5, 2017/02

https://doi.org/10.1103/PhysRevB.95.075203
 Times Cited Count：9 Percentile：39.62(Materials Science, Multidisciplinary)

Journal Articles

Origin of the large positive magnetoresistance of Ge$$_{1-x}$$Mn$$_{x}$$ granular thin films

Wakabayashi, Yuki*; Akiyama, Ryota*; Takeda, Yukiharu; Horio, Masafumi*; Shibata, Goro*; Sakamoto, Shoya*; Ban, Yoshisuke*; Saito, Yuji; Yamagami, Hiroshi; Fujimori, Atsushi*; et al.

Physical Review B, 95(1), p.014417_1 - 014417_6, 2017/01

https://doi.org/10.1103/PhysRevB.95.014417
 Times Cited Count：11 Percentile：45.49(Materials Science, Multidisciplinary)

Journal Articles

Simultaneous measurements of superradiance at multiple wavelength from helium excited states, 2; Analysis

Ohae, Chiaki*; Harries, J.; Iwayama, Hiroshi*; Kawaguchi, Kentaro*; Kuma, Susumu*; Miyamoto, Yuki*; Nagasono, Mitsuru*; Nakajima, Kyo*; Nakano, Itsuo*; Shigemasa, Eiji*; et al.

Journal of the Physical Society of Japan, 85(3), p.034301_1 - 034301_10, 2016/03

https://doi.org/10.7566/JPSJ.85.034301
 Times Cited Count：8 Percentile：50.14(Physics, Multidisciplinary)

Journal Articles

Room-temperature local ferromagnetism and its nanoscale expansion in the ferromagnetic semiconductor Ge$$_{1-x}$$Fe$$_{x}$$

Wakabayashi, Yuki*; Sakamoto, Shoya*; Takeda, Yukiharu; Ishigami, Keisuke*; Takahashi, Yukio*; Saito, Yuji; Yamagami, Hiroshi; Fujimori, Atsushi*; Tanaka, Masaaki*; Oya, Shinobu*

Scientific Reports (Internet), 6, p.23295_1 - 23295_9, 2016/03

AA2016-0503.pdf:1.66MB

https://doi.org/10.1038/srep23295
 Times Cited Count：20 Percentile：63.27(Multidisciplinary Sciences)

Journal Articles

Excitation energy dependence of fragment-mass distributions from fission of $$^{180,190}$$Hg formed in fusion reactions of $$^{36}$$Ar + $$^{144,154}$$Sm

Nishio, Katsuhisa; Andreyev, A. N.*; Chapman, R.*; Derkx, X.*; D$"u$llmann, C. E.*; Ghys, L.*; He${ss}$berger, F. P.*; Hirose, Kentaro; Ikezoe, Hiroshi*; Khuyagbaatar, J.*; et al.

Physics Letters B, 748, p.89 - 94, 2015/09

https://doi.org/10.1016/j.physletb.2015.06.068
 Times Cited Count：55 Percentile：94.75(Astronomy & Astrophysics)

Journal Articles

In-beam fissio study at JAEA for heavy element synthesis

Nishio, Katsuhisa; Ikezoe, Hiroshi; Hofmann, S.*; Ackermann, D.*; Aritomo, Yoshihiro*; Comas, V. F.*; D$"u$llmann, Ch. E.*; Heinz, S.*; Heredia, J. A.*; He${ss}$berger, F. P.*; et al.

AIP Conference Proceedings 1524, p.68 - 72, 2013/04

https://doi.org/10.1063/1.4801679
 Times Cited Count：0 Percentile：0.00(Physics, Nuclear)

Journal Articles

Evidence for hindrance in fusion between sulfur and lead nuclei

Khuyagbaatar, J.*; Nishio, Katsuhisa; Hofmann, S.*; Ackermann, D.*; Block, M.*; Heinz, S.*; He${ss}$berger, F. P.*; Hirose, Kentaro; Ikezoe, Hiroshi; Kindler, B.*; et al.

Physical Review C, 86(6), p.064602_1 - 064602_6, 2012/12

https://doi.org/10.1103/PhysRevC.86.064602
 Times Cited Count：26 Percentile：76.89(Physics, Nuclear)

Journal Articles

Fusion probabilities in the reactions $$^{40,48}$$Ca + $$^{238}$$U at energies around the Coulomb barrier

Nishio, Katsuhisa; Mitsuoka, Shinichi; Nishinaka, Ichiro; Makii, Hiroyuki; Wakabayashi, Yasuo*; Ikezoe, Hiroshi; Hirose, Kentaro*; Otsuki, Tsutomu*; Aritomo, Yoshihiro*; Hofmann, S.*

Physical Review C, 86(3), p.034608_1 - 034608_6, 2012/09

https://doi.org/10.1103/PhysRevC.86.034608
 Times Cited Count：89 Percentile：95.78(Physics, Nuclear)

Journal Articles

Investigation of fission properties and evaporation residue measurement in the reactions using $$^{238}$$U target nucleus

Nishio, Katsuhisa; Ikezoe, Hiroshi; Hofmann, S.*; Ackermann, D.*; Antalic, S.*; Aritomo, Yoshihiro; Comas, V. F.*; D$"u$llmann, Ch. E.*; Gorshkov, A.*; Graeger, R.*; et al.

EPJ Web of Conferences, 17, p.09005_1 - 09005_4, 2011/10

https://doi.org/10.1051/epjconf/20111709005
 Times Cited Count：2 Percentile：63.74(Physics, Nuclear)

Journal Articles

Maki parameter and upper critical field of the heavy-fermion superconductor UBe$$_{13}$$

Shimizu, Yusei*; Ikeda, Yoichi*; Wakabayashi, Takumi*; Haga, Yoshinori; Tenya, Kenichi*; Hidaka, Hiroyuki*; Yanagisawa, Tatsuya*; Amitsuka, Hiroshi*

Journal of the Physical Society of Japan, 80(9), p.093701_1 - 093701_4, 2011/09

https://doi.org/10.1143/JPSJ.80.093701
 Times Cited Count：8 Percentile：49.74(Physics, Multidisciplinary)

Journal Articles

Specific heat and magnetization studies of the superconducting mixed state of UBe$$_{13}$$

Shimizu, Yusei*; Ikeda, Yoichi*; Wakabayashi, Takumi*; Tenya, Kenichi*; Haga, Yoshinori; Hidaka, Hiroyuki*; Yanagisawa, Tatsuya*; Amitsuka, Hiroshi*

Journal of the Physical Society of Japan, 80(Suppl.A), p.SA100_1 - SA100_3, 2011/07

https://doi.org/10.1143/JPSJS.80SA.SA100
 Times Cited Count：1 Percentile：11.01(Physics, Multidisciplinary)

Journal Articles

Magnetization in the superconducting mixed state of the heavy-fermion compound UBe$$_{13}$$

Shimizu, Yusei*; Ikeda, Yoichi*; Wakabayashi, Takumi*; Tenya, Kenichi*; Haga, Yoshinori; Hidaka, Hiroyuki*; Yanagisawa, Tatsuya*; Amitsuka, Hiroshi*

Journal of Physics; Conference Series, 273, p.012084_1 - 012084_4, 2011/02

https://doi.org/10.1088/1742-6596/273/1/012084
 Times Cited Count：3 Percentile：61.86(Physics, Condensed Matter)

JAEA Reports

Maintenance of manufacturing facility of high pressure gas in HTTR

Sekita, Kenji; Arakaki, Etsushi; Wakabayashi, Hiroshi

JAEA-Technology 2010-036, 42 Pages, 2010/11

JAEA-Technology-2010-036.pdf:2.9MB

The Liquid Nitrogen (LN$$_{2}$$) manufacturing facility in HTTR, is a high-pressure gas manufacturing facility. The facility provides LN$$_{2}$$ to cold charcoal trap (CCT) in primary and secondary helium purification systems, impurities gas trap for gas chromatography mass spectrometer in primary and secondary helium sampling systems. The facility has been performed periodical inspection according to the law and rule, and each inspection item satisfied the judgment value. Thus, it was confirmed that the maintenance of LN$$_{2}$$ manufacturing facility was appropriate. In addition, the effective and efficient LN$$_{2}$$ amount to be consumed was clarified on the basis of the monitoring. Results of the liquid level of the storage tank and the consumption of LN$$_{2}$$ as the reactor was operated or stopped, by considering the filling frequency and amount of the filling of LN$$_{2}$$ to the facility by a tank lorry. This report describes method and result of periodical inspection and equipment management.

JAEA Reports

Maintenance of helium sampling system in HTTR

Sekita, Kenji; Emori, Koichi; Kuroha, Misao; Kimishima, Satoru; Wakabayashi, Hiroshi

JAEA-Testing 2006-001, 49 Pages, 2006/06

JAEA-Testing-2006-001.pdf:6.24MB

no abstracts in English

49 (Records 1-20 displayed on this page)