RIBF User Group Town Meeting
September 9, 2021Online(Zoom)• 1) Report on the RIBF UEC activity (Hinohara)• 2) Report from Nishina Center (Yoneda-san)• 3) OthersReport on the RIBF UEC activity

Nobuo Hinohara
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, chair- N. Shimizu, CNS• Apr. 2021 - Mar. 2025
- A. Corsi, CEA Saclay- Y. Ichikawa, Kyushu, vice-chair- J. Zenihiro, Kyoto- T. Abe, RIKEN- K. Sekizawa, Tokyo Tech
• Supplementary members Apr. 2021 - Mar. 2023
- S. Naimi, RIKEN

UEC Activities• Regular town meetings (online)→ March 2021 (during JPS meeting)→ September 2021 (during RIBF Users meeting)• Report from the MT committee (monthly)• RIBF Users Group Thesis Award, co-sponsoredwith RNC• RIBF Users Meeting 2021 (online)• Member list update (ongoing)• Conference calendar update (regularly)• Bridging users and RNC (plan)RIBF User Group Thesis Award 2021
Dr. Oscar Hall (University of Edinburgh) “β-delayed neutron emission from r-process nuclei along the
N=82 shell closure” (University of Edinburgh, 2020)
Dr. Masaomi Tanaka (RIKEN Nishina Center) “Determination of nuclear matter radii of Ca isotopes
across the neutron magic number N=28 via interaction cross-section measurements”(Osaka University, 2018)••••

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, 2018 to present.
Applications due on June 18, 2021. Result released on August 6, 2021.

RIBF Users Meeting 2021
• Chaired by N. Hinohara and organized by J. Zenihiro and S. Nishimura• Online (Zoom)• 18 invited talks:– 1 facility talk + 13 experimental talks + 2 thesis award talks– 2 theory talks• Participants : 139 (127 in 2020(online), 52 in 2019(on-site))– 4 Canada, 5 China, 1 Finland, 9 France, 4 Germany, 1 Hungary, 2 Italy,– 98 Japan, 2 South Korea, 7 UK, 5 USA, 1 Vietnam• Account balance: 26,016 JPY from last year
(no cost for coffee break/name tags/dinner this time)Member list update
We are working on deleting non-active members

Please update your registration•

https://ribfuser.riken.jp/RIBF_UG/registration.html– Affiliation– Department– Position/Grade– Email– Experiment/Theory– Supervisor (for students)• Please ask your students to do soUG members
2021 (as of Sep 3)749

2017655

20155902013498

2012550

2011505

2010496

Conference calendar update
https://ribfuser.riken.jp/RIBF_UG/confinfo.html
Operated using Google Calendar
We will regularly update the domestic and international workshops/conferences

Bridging users and RNC (plan)• 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 plans to survey/collect concerns and requests of users

RIBF Status ReportKen-ichiro YONEDA
User Liaison GroupRIKEN Nishina Center
RIBF User Group Towm Meeting
Web Meeting, 09 September, 2021

• COVID-19• RIBF operation in 1st half FY2021• MT plan in 2nd half FY2021• NP-PAC meeting

COVID-19 … current status• In Japan/Tokyo area
– Still in “state of emergency”– 1st: April – June 2020
– …
– 4th: July 2021 – end of September?

• “stay-home” is requested• Still difficult for foreigners to visit RIKEN for experiments• In RIKEN– Keep “Level-1” regulation• Research activities OK but with best care
• Accelerator use … < 20 participants/experiment• Guideline and checklist for visitors
https://ribf.riken.jp/COV/COVID.php• New rule from Sep: wear a “nonwoven-fabric” mask

April238U

HiCARI-final

BRIKEN-finalJulyMay

Light Ions

Now
SeptemberJune

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

Schedule plan Oct 2021- Mar 2022 – under discussion

NP-PAC

22nd NP-PAC meeting
to be held on December 1 (Wed) – 3 (Fri), 2021
On-line meeting
Presentation movies to be collected before the meeting
Only Q&A in the meeting

Proposal submission deadline:
October 11(Mon), 2021