Workshop: N3AS Annual Meeting 2025 (August 5–7 @ UC Berkeley)
We (Keiya Hirashima, Camilia Demidem, Gabriele Di Ubaldo, Jan Schuette-Engel, Yuuka Kanakubo, Yuki Fujimoto, Shuntaro Aoki, Hiro Nagataki, Satoshi Iso, and Tetsuo Hatsuda) attended the N3AS Annual Meeting 2025, held at UC Berkeley (UCB) on August 5–7. N3AS stands for the Network for Neutrinos, Nuclear Astrophysics, and Symmetries, an NSF-funded program that began in 2016. iTHEMS and ABBL joined N3AS in 2020.
During the meeting, Keiya, Camilia, Jan, Yuki and Shuntaro gave excellent presentations on their recent research. We also enjoyed many fascinating talks from N3AS members, including Mia Kumamoto and Kelsey Lund, both of whom participated in iTHEMS Now and Next 2025.
Tetsuo and Hiro reported on the activities of iTHEMS, RBC, and ABBL, while Wick Haxton (PI of the N3AS program) provided an update on the status of N3AS.
The meeting took place in the Physics building, where the RIKEN-Berkeley Center (RBC) is located. RBC is a hub for international collaboration of iTHEMS, such as researcher exchanges, joint workshops, and long-term fellowships. Now 3 researchers of iTHEMS (Jan, Gabriele, Yuuka) are staying there and engaging in international research collaborations. We made good use of the RBC office during our stay in the week of August 3.
While at Berkeley, we (Satoshi, Tetsuo, and Hiro) had the opportunity to meet with Steve Kahn (Dean of Mathematical & Physical Sciences, UC Berkeley) and Martin Olsson (Chair of the Department of Mathematics, UC Berkeley) to discuss future communication and collaboration between iTHEMS and the Departments of Physics and Mathematics at UCB. We also visited Lawrence Berkeley National Laboratory (LBNL), where another iTHEMS office is located.
This visit reaffirmed the importance of the strong connection between RIKEN and Berkeley, and the key role of the RBC in supporting this collaboration.

