HCI 2022 is the 20th in a series of International Conference on the Physics of Highly Charged Ions. The conference covers the following topics on highly charged ions: Fundamental aspects, Structure and Spectroscopy; Collisions with Electrons, Ions, Atoms and Molecules; Interactions with Clusters, Surfaces and Solids; Interactions with Photons, Plasmas and Strong Field Processes; Production, Experimental developments and Applications.
To secure IUPAP sponsorship, the organizers have provided assurance that HCI2020 will be conducted in accordance with IUPAP Policies on Conferences; including those of Free Circulation of Scientists, maximum IUPAP conference registration fee, as well as the IUPAP policy statement on harassment at conferences.

The conference will be held on-site although online participation is also available for those who are prevented from participating on-site.


The final deadline for the proceedgins manuscript submission has been set on Dec. 31. (Nov 1, 2022)
Manuscript submission deadline for the proceedings has been postponed to Nov. 1. (Sep 21, 2022)
Conference successfully closed. Conference photo. (Sep 3, 2022)
Best poster winners are announced. (Sep 2, 2022)
Program has been updated. Time table on Friday has been modified. (Aug 30, 2022)
Program has been updated. Session chairs are assigned. (Aug 27, 2022)
Program has been updated. Time table on Monday and Friday has been modified. (Aug 24, 2022)
Details of Conference Proceedings have been updated. (Aug 22, 2022)
Guidelines for oral presentations and poster sesseion have been uploaded. (Aug 20, 2022)


F. Aumayr (Austria), T. Azuma (Japan), P. Beiersdorfer (USA), M. Benis (Greece), A. Braeuning-Demian (Germany), J. Burgdorfer (Austria), A. Cassimi (France), J. R. Crespo Lopez-Urrutia (Germany), M. S. Gravielle (Argentina), R. Hoekstra (The Netherlands), J. Hoszowska (Switzerland), R. Hutton (China), C. Illescas (Spain), X. Ma (China), N. Nakamura (Japan), M. Pajek (Poland), R. Rivarola (Argentina), M. Safronova (USA), J. P. Santos (Portugal), R. Schuch (Sweden), V. Shabaev (Russia), E. Sokell (Ireland), T. Stoehlker (Germany), J. Tanis (USA), K. Tokesi (Hungary), M. Trassinelli (France), L. Tribedi (India), K. Yao (China), H. Zettergren (Sweden)



HCI2022 will be held at KUNIBIKI MESSE, Matsue, Shimane, JAPAN.


Matsue is a beautiful and historical city in Shimane prefecture in Japan.


Visit HERE for the information how to travel to Matsue.


Scientific Program

Click HERE to see the time table and the list of invited speakers.

Lists of Posters Poster A / Poster B

Book of Abstracts

Guidelines oral presentations / poster session

Social Program

Click HERE to see the details of the social program.
Aug. 28 Reception at Kunibiki Messe
Sep. 1 Excursion to Izumo Taisha (ancient shrine)
Sep. 1 Banquet at Yuushien Garden


Registration fee

Regular: 50,000 JPY (after early bird: 60,000 JPY)

Student: 25,000 JPY (after early bird: 30,000 JPY)

Accompanying person: 10,000 JPY (after early bird: 15,000 JPY)

Online regular: 15,000 JPY (after early bird: 20,000 JPY)

Online student: 10,000 JPY (after early bird: 15,000 JPY)


Please make a registration and a hotel reservation from HERE.



Please use the template for Word or LaTeX.

Abstract submission is available from HERE.

Post-deadline abstracts submitted after July 10th will not be included in the book of abstracts but may be accepted as post-post-deadline poster presentations.


The proceedings of HCI2022 will be published as a special issue of the open access journal Atoms. All manuscripts submitted to the HCI2022 proceedings will be subject to the same high standard papers refereeing as that of regular papers submitted to Atoms.

Click HERE to see the details for the conference proceedings.


Hajime Tanuma (Chair, TMU), Nobuyuki Nakamura (Co-Chair, UEC), Toshiyuki Azuma (RIKEN), Natsuko Fujita (JAEA), Takato Hirayama (Rikkyo), Daiji Kato (NIFS), Naoki Kimura (RIKEN), Takuya Majima (Kyoto), Izumi Murakami (NIFS), Yuji Nakano (Rikkyo), Takuma Okumura (TMU), Hiroyuki A. Sakaue (NIFS), Tomoko Ohyama-Yamaguchi (TMCIT)