Why our Universe was bone and how it developed into the present state? Since its birth at the Big Bang, the Universe has experienced various drastic events. Because the Universe is not a stable object, we have to understand and explain the present state as a consequence of dynamical processes the Universe has experienced. Though many events in the History of the Universe have been clarified, many pieces are still missing to understand our Universe today.
Tomonaga Center for the History of the Universe (TCHoU) was founded in October 2017 as a research center at the University of Tsukuba. The mission of the Center is to clarify the genesis of the Universe as well as the origin of matter and life and to construct an integrated view of the History of the Universe, through international and interdisciplinary collaboration of particle, nuclear, and astrophysics as well as resonant cooperation of experimental and theoretical approaches.
Toward this goal, the center has established the following four research divisions:
Please visit
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[About the Center] for an overview of the Center.
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[Projects] for the research projects of the Center.
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[Organization] for the organization and members of the Center.
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[Materials] for reports and introductory materials.
The name Tomonaga Center comes from Dr. Sin-Itiro Tomonaga, the second Nobel Laureate from Japan, who made fundamental contributions in constructing relativistic quantum field theories, the renormalization theory, theory of collective motions, etc. and also a founder of the physics institute at Tsukuba.
Visit Tomonaga Memorial Room, Univ. Tsukuba and Tomonaga Exibition at the University of Tsukuba Gallery for more information about Dr. Tomonaga.
(Photo: Tomonaga Memorial Room)
We will be holding the Workshop at the Tomonaga Center for the History of the Universe (TCHoU) in our research division for Quark-Nuclear Matters on 29/Mar/2024 (Fri) afternoon by having presentations directly related to our projects according to the following agenda program of this workshop, we would like to invite and encourage all of you to join and have active discussions in the workshop. We will have this workshop with "in-person" participation at Univ. of Tsukuba, but we will have online zoom connection as indicated in the following. So I hope to see you all in Tsukuba, but even if you will not be able to come to Tsukuba, you could still participate in online.
Thank you very much for your active participations in terms of both giving the presentations and participating in the discussions in advance and for our future fruitful cooperation and collaboration.
13:00‐ | Fan Si | (USTC/U. Tsukuba) | Fluctuation analysis in STAR-BES2 | |
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13:30- | TadaAki Isobe | (RIKEN) | Experimental study of asymmetric nuclear matter EOS from heavy-ion reactions with RIBF-SPiRIT | |
14:00- | Tetsuaki Moriguchi | (U. Tsukuba) | Reaction cross sections for proton-drip line nuclei | |
14:30‐15:00 | coffee | |||
15:00- | Tatsuya Chujo | (U. Tsukuba) | ALICE FoCal and eIC | |
15:30- | Daiki Sekihata | (U. Tokyo) | ALICE Run3 and ALICE3 | |
16:00- | Yorito Yamaguchi | (Hiroshima U.) | RHIC & LHC to FAIR |
In order to count number of possible participants just for our logistics, I would like to ask you to reply me via E-mail, if you are planning to come to the seminar room in Tsukuba or to participate in online. We are not counting the heads exactly, so please just tell me about your plan at the moment that can change later. Thank you very much. ShinIchi Esumi
Contact: Asso.Prof. S. Esumi
TCHoU Workshop of AY 2023 on Particle Physics, organized by the Division of Elementary Particles, is held as follows. This workshop is free to access. Talks are given in Japanese.
Contact: Asso.Prof. Y. Takeuchi
Contact: Assi.Prof. T. Iida
We had a research workshop to share achievements, exchanging activities and future projects for all members of TCHoU.
Contact: Prof. S. Esumi
Contact: Assi.Prof. T. Iida
Qiye Shou is a tenured associate professor at Fudan University. He received his Doctor of Science degree in 2015 from the Shanghai Institute of Applied Physics (SINAP). After completing the postdoctoral research at CCNU and serving as an assistant professor at SINAP, he joined Fudan University in 2019. His primary research focuses on heavy-ion collisions, studying the properties of the Quark-Gluon Plasma (QGP), such as anomalous chiral effects, collectivity and exotic particles. He has previously worked on the RHIC-STAR experiment and currently works on the LHC-ALICE, serving as the (deputy) leader of the ALICE Shanghai group, the flow PAG coordinator and the contact person of the China T2 cluster.
Contact: Prof. S. Esumi
Contact: Assi.Prof. T. Iida
An exposition introducing the research activities of the Tomonaga Center was made at the Campus Festival "So-Ho Sai" of the Univ. of Tsukuba.
Master Course student Yuka Imamura, supervised by Asso.Prof. Y. Takeuchi, Dr. K. Hara, and Assi.Prof. K. Nakamura (KEK) (Div. of Elementary Particles), received the Student Presentation Award of the Physical Society of Japan for his presentation at the 78th annual meeting of JPS at Sendai.
Master Course student Takumi Omori, supervised by Assi.Prof. T. Iida (Div. of Elementary Particles), received the Student Presentation Award of the Physical Society of Japan for his presentation at the 78th annual meeting of JPS at Sendai.
See also TSUKUBA JOURNAL of the Univ. Tsukuba.
Contact: Assi.Prof. T. Iida
The international workshops was held as an event commemorating the 50th anniversary of University of Tsukuba. In addition to introducing the activities of the center, we invited people who are active in related fields in Japan and overseas to give lectures.
10:00-10:05 | Yasuteru SHIGETA | (Vice President, Univ. Tsukuba) |
Opening Address | |
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10:05-10:10 | Nario KUNO | (Director, TCHoU) | Introduction to TCHoU | |
10:10-10:20 | Yuji TAKEUCHI | (TCHoU) | Division of Elementary Particles | |
10:20-10:30 | ShinIchi ESUMI | (TCHoU) | Division of Quark Nuclear Matters | |
10:30-10:40 | Nario KUNO | (TCHoU) | Division of Antarctic Astronomy | |
10:40-10:50 | Akira OZAWA | (TCHoU) | Division for Development of Photon and Particle Detectors | |
11:00-11:40 | Nami SAKAI | (RIKEN, Japan) | Quest to understand the chemical origin of the Solar System | |
11:45-12:30 | C. S. LIM | (Phys. Soc. Japan) | The physics of neutrinos: Dirac vs. Majorana | |
14:00-14:40 | Takashi KOBAYASHI | (KEK/JAEA, Japan) | Particle and nuclear physics at J-PARC | |
14:45-15:25 | Paul HO | (EAO, Taiwan) | Imaging of black hole shadow from the Arctic region | |
15:50-16:30 | Paolo GIUBELLINO | (GSI, Germany) | The Universe in the lab: current and future science at GSI/FAIR | |
16:35-17:15 | Nigel LOCKYER | (Cornell Univ., USA) | Accelerators: What they are good for | |
17:20-17:35 | Fumihiko UKEGAWA | (TCHoU) | Closing remarks |
Contact: Prof. N. Kuno
Assistant Professor Takuya Hashimoto (Division of the Antarctic Astronomy) held a press conference ”The Strongest Tag Team of the James Webb Space Telescope and ALMA Telescope Succeeded in Capturing the Most Distant Cluster of Primordial Galaxies” at the 2023 Fall Meeting of the Astronomical Society of Japan.
For more details, see the press release article and a web announcement of the Univ. of Tsukuba.
Doctor Course student Naoki Suzuki, supervised by Assi.Prof. T. Iida (Div. of Elementary Particles), received the Excellent Poster Award at SMART2023, in which developments and applications of radiation detectors are discussed.
See also TSUKUBA JOURNAL of the Univ. Tsukuba.
Contact: Assi.Prof. T. Iida
Lectures by astronomers will be held near Tanabata Day. The state-of-the-art research content will be explained in an easy-to-understand manner to the general public. (in Japanese)
Click on the poster for details.
13:30- | Toshiki Saito | (National Astronomical Observatory of Japan) | All galaxies are a lion at home and a mouse abroad ~The true appearance of the galaxy revealed by large radio telescope~ | |
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15:00- | Hidenobu Yajima | (Univ. Tsukuba) | Histroy of universe approaching with super computer | |
16:30 | End |
Contact: Prof. N. Kuno (TEL: 029-853-5080, e-mail: kuno.nario.gt [at] u.tsukuba.ac.jp)
As announced by our news of 2023/03/03, Takashi Iida, Assistant Professor at TCHoU, received the 2023 Japan Isotope Association Incentive Award on 6 July at the 60th meeting of the Japan Isotope Association for his contribution to the advancement of particle science through the development of detection methods for weak radiation.
Title: "Advancement of Detection System for the Study of Extremely Rare Decays of 48Ca"
See also TSUKUBA JOURNAL of the Univ. Tsukuba.