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Journal Articles

24th Technical Meeting of the International Network of Nuclear Structure and Decay Data Evaluators

Koura, Hiroyuki

Kaku Deta Nyusu (Internet), (134), p.82 - 96, 2023/02

no abstracts in English

Journal Articles

Study of the $$N=32$$ and $$N=34$$ shell gap for Ti and V by the first high-precision multireflection time-of-flight mass measurements at BigRIPS-SLOWRI

Iimura, Shun*; Rosenbusch, M.*; Takamine, Aiko*; Tsunoda, Yusuke*; Wada, Michiharu*; Chen, S.*; Hou, D. S.*; Xian, W.*; Ishiyama, Hironobu*; Yan, S.*; et al.

Physical Review Letters, 130(1), p.012501_1 - 012501_6, 2023/01

 Times Cited Count:1 Percentile:95.71(Physics, Multidisciplinary)

Journal Articles

15th International Conference on Nuclear Data for Science and Technology (ND2022), 5; Nuclear astrophysics

Koura, Hiroyuki

Kaku Deta Nyusu (Internet), (133), p.44 - 48, 2022/10

no abstracts in English

Journal Articles

15th International Conference on Nuclear Data for science and Technology (ND2022), 6; Education and outreach

Koura, Hiroyuki

Kaku Deta Nyusu (Internet), (133), p.49 - 54, 2022/10

no abstracts in English

Journal Articles

Masses of exotic nuclei

Yamaguchi, Takayuki*; Koura, Hiroyuki; Litvinov, Yu. A.*; Wang, M.*

Progress in Particle and Nuclear Physics, 120, p.103882_1 - 103882_98, 2021/09

 Times Cited Count:20 Percentile:79.38(Physics, Nuclear)

Journal Articles

Nihonium; Physics in superheavy elements and superheavy nuclei

Koura, Hiroyuki

Nihoniumu, Chojugenso, Chojukaku No Butsuri; Kihon Hosoku De Yomitoku Butsurigaku Saizensen, 24, 236 Pages, 2021/06

no abstracts in English

Journal Articles

Result of questionnaire of "JAEA Chart of the Nuclides"

Minato, Futoshi; Koura, Hiroyuki

Kaku Deta Nyusu (Internet), (127), p.46 - 62, 2020/10

no abstracts in English

Journal Articles

JAEA nuclear chart 2018

Koura, Hiroyuki

Kaku Deta Nyusu (Internet), (127), p.38 - 45, 2020/10

no abstracts in English

Journal Articles

23rd Technical Meeting of the International Network of Nuclear Structure and Decay Data Evaluators

Koura, Hiroyuki

Kaku Deta Nyusu (Internet), (124), p.1 - 13, 2019/10

no abstracts in English

Journal Articles

Nuclear properties of superheavy elements

Koura, Hiroyuki

Chojugenso Kagaku No Saizensen; Furonteia Shirizu, 2, p.49 - 58, 2019/09

no abstracts in English

Journal Articles

Nuclear data sheets for A=218

Singh, B.*; Basunia, M. S.*; Martin, M.*; McCutchan, E. A.*; Bara, I.*; Caballero-Folch, R.*; Canavan, R.*; Chakrabarti, R.*; Chekhovska, A.*; Grinder, M. M.*; et al.

Nuclear Data Sheets, 160, p.405 - 471, 2019/09

 Times Cited Count:6 Percentile:68.96(Physics, Nuclear)

Journal Articles

Journal Articles

Analysis of nuclear structure in the nuclear chart and improvement to the gross theory of $$beta$$ decay

Endo, Fumitaka*; Koura, Hiroyuki

Physical Review C, 99(3), p.034303_1 - 034303_8, 2019/03

 Times Cited Count:3 Percentile:33.05(Physics, Nuclear)

JAEA Reports

Proceedings of the 2017 Symposium on Nuclear Data; November 16-17, 2017, iVil, Tokai-mura, Ibaraki, Japan

Nishio, Katsuhisa; Utsuno, Yutaka; Chiba, Satoshi*; Koura, Hiroyuki; Iwamoto, Osamu; Nakamura, Shoji

JAEA-Conf 2018-001, 226 Pages, 2018/12

JAEA-Conf-2018-001.pdf:22.81MB

The 2017 Symposium on Nuclear Data was held at iVil in Tokai on November 16-17, 2017. The symposium was hosted by the Nuclear Data Division of the Atomic Energy Society of Japan (AESJ) and Advanced Science Research Center of Japan Atomic Energy Agency, and co-hosted by Japanese Nuclear Data Committee of AESJ and North Kanto Branch of AESJ. In the symposium, a tutorial was given by Prof. Rykaczewski (ORNL) "New nuclear data from total absorption spectroscopy and beta-delayed neutron measurements", as well as six oral sessions, "Nuclear Physics and Nuclear Data" (two sessions), "Nuclear Theory and Nuclear Data", "Reactors" and "Nuclear Data and Their Applications" (two sessions). In addition, recent advances in experiment, theory, evaluation, benchmark, and application were presented in the poster session. The symposium had 79 participants, who contributed to very active and fruitful discussions. This report consists of 37 papers, including those of 14 oral and 23 poster presentations.

Journal Articles

First direct mass measurements of nuclides around $$Z$$ = 100 with a multireflection time-of-flight mass spectrograph

Ito, Yuta*; Schury, P.*; Wada, Michiharu*; Arai, Fumiya*; Haba, Hiromitsu*; Hirayama, Yoshikazu*; Ishizawa, Satoshi*; Kaji, Daiya*; Kimura, Sota*; Koura, Hiroyuki; et al.

Physical Review Letters, 120(15), p.152501_1 - 152501_6, 2018/04

 Times Cited Count:56 Percentile:93.55(Physics, Multidisciplinary)

Masses of $$^{246}$$Es, $$^{251}$$Fm and the transfermium nuclei $$^{249-252}$$Md, and $$^{254}$$No, produced by hot- and cold-fusion reactions, in the vicinity of the deformed $$N=152$$ neutron shell closure, have been directly measured using a multi-reflection time-of-flight mass spectrograph. The masses of $$^{246}$$Es and $$^{249,250,252}$$Md were measured for the first time. Using the masses of $$^{249,250}$$Md as anchor points for $$alpha$$ decay chains, the masses of heavier nuclei, up to $$^{261}$$Bh and $$^{266}$$Mt, were determined. These new masses were compared with theoretical global mass models and demonstrated to be in good agreement with macroscopic-microscopic models in this region. The empirical shell gap parameter $$delta_{2n}$$ derived from three isotopic masses was updated with the new masses and corroborate the existence of the deformed $$N=152$$ neutron shell closure for Md and Lr.

Journal Articles

Nihonium, and the next elements...

Sakurai, Hiroshi*; Shinohara, Atsushi*; Koura, Hiroyuki; Kamigaito, Osamu*; Morimoto, Koji*; Haba, Hiromitsu*; Enyo, Hideto*

Isotope News, (特別号2), p.2 - 14, 2018/01

no abstracts in English

Journal Articles

Improvement of gross theory of beta-decay on single particle treatment

Koura, Hiroyuki; Yoshida, Tadashi*; Tachibana, Takahiro*; Chiba, Satoshi*

JAEA-Conf 2017-001, p.205 - 210, 2018/01

no abstracts in English

Journal Articles

Cutting-edge studies on nuclear data for continuous and emerging need, 4; Nuclear chart; Magnificent landscape of nuclei

Koura, Hiroyuki; Minato, Futoshi; Iimura, Hideki

Nihon Genshiryoku Gakkai-Shi ATOMO$$Sigma$$, 60(1), p.35 - 40, 2018/01

no abstracts in English

Journal Articles

Improvement of gross theory of beta-decay for application to nuclear data

Koura, Hiroyuki; Yoshida, Tadashi*; Tachibana, Takahiro*; Chiba, Satoshi*

EPJ Web of Conferences, 146, p.12003_1 - 12003_4, 2017/09

BB2016-0950.pdf:0.33MB

 Times Cited Count:2 Percentile:78.24

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