RIMS Workshop




Registration Deadline Dec 1 2023


Over the past decade, a small set of laboratories have been working on the development of resonance ionization mass spectrometry (RIMS) instruments for the purpose of element-selective isotope analysis without prior chemical separation. From hot particle forensics to cosmochemistry, RIMS has unlocked unique research opportunities for element-selective microanalysis. 

Each instrument has been built with its unique set of capabilities and prospective applications. It is now time for RIMS users and collaborators to come together, share best practices, discuss challenges, and set collaborative goals moving forward. 


  • Instrument capabilities 
  • Laser design/performance
  • RIS, scheme development, atomic spectroscopy
  • Sample analysis and standards 



One of the main applications of RIMS instruments is in the analysis of nuclear material, since so much can be learned about its current state and origin from its isotope ratios. With the ongoing decommissioning efforts at the Fukushima Daiichi Nuclear Powerplant, the workshop’s location in Fukushima City offers an urgent sense of purpose. It also provides the chance for RIMS users to visit RIMS instruments in Japan, built in collaboration with Kogakuin University, the JAEA at Oarai, and Nagoya University.

Please see the agenda attached below for the full travel schedule. The workshop will start from Tokyo, visiting Kogakuin University in Hachioji on Monday 25 March. The JAEA lab in Oarai will be visited on Tuesday 26 March. From there, the group will travel to the TEPCO facility near Tomioka on Wednesday 27 March. Talks will be held at the Institute for Environmental Radiation at Fukushima University on Thursday and Friday 28 - 29 March. For those who wish to visit Nagoya University's laser lab, a visit can take place on Saturday 30 March. 

Most travel will be done by public transportation. Local trains can be payed for by Suica Card, which can be purchased and loaded at the airport or train station. The shinkansen is not covered by the Suica card. The attached document estimates the costs of each journey. It is recommended that participants travel light, ideally with a backpack and wearing comfortable shoes. 


It is expected that those visiting the labs at the beginning of the week will be staying together in the same hotels. Rooms will be reserved for an estimated number of participants, however they should be booked and payed for by the participants themselves. More information will follow closer to the workshop date.  

Public Outreach

The genesis for this event is a direct result of the activities of the LISA network. Within the LISA-4-Society actions, the event will feature a public lecture on the topic of nuclear forensics, in a collaborative English/Japanese presentation. 


This Marie Sklodowska-Curie Action (MSCA) Innovative Training Networks (ITN) receives funding from the European Union’s H2020 Framework Programme under grant agreement no. 861198