RIBF User Group Town Meeting
September 22 2022Online(Zoom)• 1) Report on the RIBF UEC activity (Ichikawa)• 2) Report from Nishina Center (Yoneda-san)• 3) OthersReport on the RIBF UEC activity
Yuichi Ichikawa
for the RIBF Users Executive Committee

Current member list of UEC• Apr. 2019 - Mar. 2023
- D. Suzuki, RIKEN, vice-chair- H. Crawford, LBNL
- S. Nishimura, RIKEN- N. Hinohara, Tsukuba- N. Shimizu, CNS• Apr. 2021 - Mar. 2025
- A. Corsi, CEA Saclay- Y. Ichikawa, Kyushu, chair- J. Zenihiro, Kyoto- T. Abe, RIKEN, vice chair- K. Sekizawa, Tokyo Tech
• Supplementary members Apr. 2021 - Mar. 2023
- S. Naimi, IJCLabUEC Activities• Regular town meetings (online)→ March 2022 (not a as a part of JPS meeting)→ September 2022 (during RIBF Users meeting)• Report from the MT committee (monthly)• RIBF Users Group Thesis Award• Member list update• Conference calendar update (regularly)• Bridging users and RNC

Stats of RIBF Users Meeting of 2022
• Chaired by Y. Ichikawa and organized by J. Zenihiro• Online (Zoom)• 18 invited talks:– 2 Facility, 12 Experiment, 2 Theory, 2 Thesis Award talks• Participants: 94 (Cf. 103 registrants)– 139 (2021, online), 127 (2020, online), 52 (2019, onsite)RIBF Users Group Thesis Award 2022
Dr. Toshitaka Niwase (KEK)“First direct mass measurement of superheavy nuclide
via MRTOF mass spectrographequipped with an alpha-TOF detector”(Kyushu University, 2021)
Dr. Tomoya Naito (RIKEN)“On isospin symmetry breaking in nuclear density functional theory”(The University of Tokyo, 2022)••••co-sponsored by RIBF UEC and RIKEN Nishina Center
Selection Committee Members
T. Abe, A. Corsi, H. Crawford(co-chair), N. Hinohara, Y. Ichikawa, S. Naimi, S. Nishimura,
K. Sekizawa, N. Shimizu(co-chair), D. Suzuki, J. Zenihiro
Eligibility: Ph.D. theses from March 31, 2019 to present.
Applications due on May 27, 2022. Result released on August 26, 2022.

Congratulations again!

Member list update
We are working on deleting non-active members
Please update your registration•••••

Visit https://ribfuser.riken.jp/RIBF_UG/registration.html
Click on “Update User Info.”
Enter your email address, click on “送信/submit”
Update your information if necessary
Irrespective of the update click on “送信/submit”

Only 125 members updated…

UG members
2022 (March 3)

761

2021

749

2017

655

2015

590

2013

498

2012

550

2011

505

2010

496

Bridging users and RNC• Charter (https://ribfuser.riken.jp/RIBF_UG/charter.html)• The purposes of the RIBF-UG are as follows:– To provide a formal channel for the exchange of information between the RIBF
administration and the scientists who utilize this facility for research.
– To provide advice and feedback to the RNC Director on matters relating to thedevelopment and operation of the RIBF.
– To promote and enhance the effective use of the RIBF by collecting users concerns.
– To act as a supporting and consulting body for the RIBF. The RIBF-UG maintains
communications through appropriate means, such as regular meetings, electronic mailinglists, shared data bases, and webpages.

• UEC: coordinate the activities of the RIBF-UG (Charter 3)• UEC starts to survey/collect concerns and requests of users using Google form

RIBF Status ReportKen-ichiro YONEDA
User Liaison GroupRIKEN Nishina Center
RIBF User Group Town Meeting
Web Meeting, September 22, 2022

• COVID-19• RIBF operation in 1ｓｔ half FY2022• BigRIPS cryocooler trouble• MT plan in 2nd half FY2022• NP-PAC meeting

COVID-19 … current status• In Japan/Tokyo area
– No official emergency issued by government# of cases found as infection … decreasing• In RIKEN– Keep “Level-1” regulation• Research activities OK but with best care
• allowed foreign participants to experiments– Short-stay visa necessary– Procedure must start at least 3 months before• Guideline and checklist for visitors
https://ribf.riken.jp/COV/COVID.php

RIBF operation April-September
April

JulyTrouble!!
in RRC

238U

MR-TOFOEDO Moment

CANCELLED

measurement
CANCELLED

May
Now
OEDO
78Kr

September

SHARAQ

June

https://www.nishina.riken.jp/rarfmt/pc.html

BigRIPS cryocooler trouble

During the summer-break maintenance, we found…

A turbine had a few wings damaged.
T1 turbine

Repair work being made by a maker company. Schedule not fixed yet.
Reason not specified yet.

MT schedule October- December

Momentmeasurement

SAMURAISAMURAISAMURAI
18O
https://www.nishina.riken.jp/rarfmt/pc.html

MT schedule January-February

https://www.nishina.riken.jp/rarfmt/pc.html

NP-PAC

23rd NP-PAC meeting
to be held on December 5 (Mon) – 7 (Wed), 2022
Meeting in person for presentation(presentation via Zoom also possible)
Other participants join the meeting online
Proposal submission deadline: October 11
Call for Proposals available in:https://www.nishina.riken.jp/RIBF/NP-PAC/index.html