KOURA Hiroyuki

J-GLOBAL         Last updated: Apr 18, 2019 at 18:00
KOURA Hiroyuki
Japan Atomic Energy Agency
Advanced Science Research Center, Sector of Nuclear Science Research
Job title
Principal Researcher
Doctor of Science(Waseda University)
Other affiliation
Waseda UniversityRIKENIbaraki UniversityTsuda University

Research Areas


Academic & Professional Experience

Apr 2017
Part-time Lecturer, Faculty of Liberal Arts, Tsuda University
Apr 2016
Visiting Professor, Graduated School of Science and Engineering, Ibaraki University
Jul 2014
Principal Researcher (Principal Scientist), Advanced Science Research Center, Sector of Nuclear Science Research, Japan Atomic Energy Agency
Jul 2013
Visiting Scientist, Research Group for Superheavy Element, RIKEN Nishina Center for Accelerator-Based Science, RIKEN
Apr 2012
Adjunct Researcher, Waseda Research Institute for Science and Engineering, Wades University

Committee Memberships

Mar 2013
Nuclear Data Division, Atomic Energy Society of Japan  Member (editor)
Mar 2013
Nuclear Data News, Nuclear Data Division, Atomic Energy Society of Japan  Chief editor

Awards & Honors

Jul 2017
The 113th element was named Nihonium, The 48th Seiun Award: Free Nomination, The Federation of Science Fiction Fan Groups of Japan
Winner: Element 113 Research Group led by Group Director Kosuke Morita
Apr 2017
HAPPY NEWS PERSON 2016 Special Awards, The Japan Newspaper Publishers & Editors Association
Winner: Research Group for Superheavy Element, RIKEN
Feb 2017
The four papers related to the synthesis of the 113th element in JPSJ, Special Commendation: Outstanding Paper Award of the Physical Society of Japan, The Physical Society of Japan
Winner: Research Group for the 113th Element (Leader: Kosuke Morita)
Jan 2017
Discovery and naming of nihonium (Nh) for the 113th element, The Asahi prize, the Asahi Shinbun foundation
Winner: Research Group for 113th element
Jan 2017
Distinguished Services Prize for Academics and Culture in Saitama Prefecture, Saitama Prefecture
Winner: Research Group for Superheavy Element, RIKEN Nishina Center for Accelerator-Based Science, RIKEN

Published Papers

Fumitaka Endo and Hiroyuki Koura
Physical Review C   99 034303   Mar 2019   [Refereed]
M. Rosenbusch, Y. Ito, P. Schury, M. Wada, D. Kaji, K. Morimoto, H. Haba, S. Kimura, H. Koura, M. MacCormick, H. Miyatake, J. Y. Moon, K. Morita, I. Murray, T. Niwase, A. Ozawa, M. Reponen, A. Takamine, T. Tanaka, and H. Wollnik
Physical Review C   97 064306-1-8   Jun 2018   [Refereed]
Y. Ito, P. Schury, M. Wada, F. Arai, H. Haba, Y. Hirayama, S. Ishizawa, D. Kaji, S. Kimura, H. Koura M. MacCormick, H. Miyatake, J.Y. Moon, K. Morimoto, K. Morita, M. Mukai, I. Murray, T. Niwase, K. Okada, A. Ozawa, M. Rosenbusch, A. Takamine, T. Tanaka, Y.X. Watanabe, H. Wollnik, and S. Yamaki
Physical Review Letters   120 152501-1-6   Apr 2018   [Refereed]
P. Schury, M. Wada, Y. Ito, D. Kaji, H. Haba, Y. Hirayama, S. Kimura, H. Koura, M. MacCormick, H. Miyatake, J.Y. Moon, K. Morimoto, K. Morita, I. Murray, A. Ozawa, M. Rosenbusch, M. Reponen, A. Takamine, T. Tanaka, Y.X. Watanabe, H. Wollnik
Nuclear Instruments and Methods in Physics Research Section B   407 160-165   Jun 2017   [Refereed]
Hiroyuki Koura and Satoshi Chiba
Physical Review C   95 064304-1-6   Jun 2017   [Refereed]


Hiroyuki KOURA
RADIOISOTOPES   67(6) 267-275   Jun 2018   [Refereed][Invited]
Hiroshi Sakurai, Atsushi Shinohara, Hiroyuki Koura, Osamu Kamigaito, Kohji Morimoto, Hiromitsu Haba
Isotope News   (1月号特別号No.2) 2-14   Jan 2018   [Refereed][Invited]
Hiroyuki KOURA, Futoshi MINATO, Hideki IIMURA
ATOMOS,, Journal of the Atomic Energy Society of Japan   60(1) 35-40   Jan 2018   [Refereed][Invited]
Japan Atomic Energy Agency
JAEA Channel      Nov 2017
English version:

The 113th element was officially approved as Nihonium on November 30, 2016. This is the first time for naming after Japan.
Elements are ...
KOURA Hiroyuki
Chemistry and Education   63(3) 108-111   Mar 2017   [Refereed][Invited]

Books etc

Encyclopedia on
HIroyuki Koura (Part:Contributor, Issue 1, Nuclear physics, plasma physics and nuclear fusion: Atomic Mass, the Weiszacker-Bethe type semi-empirical mass formula, Current status of nuclear mass formula, Nuclear decay, Alpha-decay, Positron and muon)
Maruzen Publishing Co., LTD   Dec 2014   ISBN:ISBN978-4-621-08874-6
T. Tachibana, K. Nakagawa, H. Motosugi, Y. Yamanaka, H. Koura, T. Kagemori, T. Kimoto, M. Takayama and T. Handa (Part:Contributor, Programming: Introduction to C)
Nihon Bunkyou Shuppan Co., Ltd.   Oct 2000   ISBN:ISBN4-536-40090-7

Conference Activities & Talks

Hiroyuki Koura
Seminar of Rokkasho village and Nuclear Fuel Sycle -Hopes and Potentials of Development of Atomic study-   25 Jul 2018   Japan Atomice Enrgy Agency
Hiroyuki Koura
Impact of Exotic Nuclear Structure on Explosive Nucleosynthesis   24 Nov 2017   International Research Center for Nuclei and Particles in the Cosmos (IRCNPC) and International Research Center for Big Bang Cosmology and Element Genesis (IRCBBC) in Beihang University (BUAA).
Island of Stability of Super Heavy Nuclei [Invited]
Hiroyuki Koura
Mar 2017   The Physical Society of Japan
Improvement of Gross Theory of Beta-decay and its Application to Nuclear Data [Invited]
Hiroyuki Koura
International Conference on Nuclear Data for Science and Technology, Sept. 11-16, (Bruges, Belgium)   Sep 2016   

Teaching Experience



Three-dimensional Nuclear Chart
Hiroyuki Koura   Educational Materials   Mar 2013 - Today

Research Grants & Projects

Study of the origin of heavy elements using an innovative mass spectrograph
Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan: Grant-in-aid for specially promoted research
Project Year: Jul 2017 - Mar 2022    Investigator(s): Michiharu Wada
Effects of fission to isotopic abundances on the r-process synthesis in star
Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan: Grant-in-Aid for Scientific Research (C) or KAKENHI (C)
Project Year: Apr 2018 - Mar 2021    Investigator(s): Hiroyuki Koura
Nuclear mass and life for unraveling mysteries of r-process
Japan Society for the Promotion of Science: Bilateral Programs (Japan-China)
Project Year: Apr 2017 - Dec 2019    Investigator(s): Takashi Nakatsukasa
Direct mass-measurement of superheavy elements by the innovative slow RI beam (tentative translation)
Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan: Grant-in-aid for Scientific Research (S) 24224008
Project Year: 2012 - Mar 2017    Investigator(s): Michiharu Wada
Comprehensive study of delayed-neutron yields for accurate evaluation of kinetics of high-burnup reactors
Ministry of Education, Culture Sports, Science and Technology (MEXT): Project for Research and Development of Atomic Energy System
Project Year: Nov 2012 - Mar 2016    Investigator(s): Satoshi Chiba

Social Contribution

[Advisor, Informant]  23 Feb 2019 - 7 Apr 2019
[Lecturer, Demonstrator]  Tsukuba Science Edge 2018 Competition Secretariat  Tsukuba Science Edge 2019  (Tsukuba International Congress Center)  23 Mar 2019
In 2016, a new element, “Nihonium,” was put into the periodic table of elements as the 113th element. Nihonium is named after “Nihon,” one of the way to say “Japan,” in Japanese and literally means “the land of rising sun.” The name is proposed t...
[Planner, Others]  Ministry of Education, Culture, Sports, Science and Technology (MEXT)  Information Plaza  1 Aug 2017 - 22 Dec 2017
[Lecturer, Demonstrator]  Tsukuba Expo CEnter  The 35th Meets the Science  26 Mar 2017
Imasara Kikenkai -Iron=
[Media coverage cooperation]  Asahi News Paper  9 Aug 2014