RIBF User Group Town Meeting
September 17, 2019
Yamagata University

1) Report on the RIBF User Group activity (Suzuki)
2) Report from Nishina Center (Yoneda)
3) OthersReport on the RIBF User Group activity

Daisuke Suzuki
for the RIBF-Users Executive Committee

September 17, 2019
The Physical Society of Japan 2019 Autumn Meeting, Yamagata University

Current member list of UEC• Apr. 2017 - Mar. 2021
- K. Wimmer, U-Tokyo/CSIC, chair- S. Sakaguchi, Kyushu- Y. Watanabe, KEK- W. Horiuchi, Hokkaido- T. Matsumoto, Kyushu• Apr. 2019 - Mar. 2023- D. Suzuki, RIKEN, vice-chair→ Chair for 2020 to 2021
- H. Crawford, LBNL
- S. Nishimura, RIKEN- N. Hinohara, Tsukuba, vice-chair- N. Shimizu, CNS• Supplementary members Apr. 2019 - Mar. 2021
- S. Paschalis, York- K. Miki, Tohoku• Next elections spring 2021
• Amend bylaws toward the next elections?
- The UEC chair should not be affiliated with RIKEN?
- Only one person should represent each institute?

Activities••••

Regular town meeting at the JPS meetings
Report from the MT committee (monthly)
RIBF Users Group Thesis Award, together with RNC
RIBF Users Meeting 2019 within the RIBF week

RIBF Users Group Thesis Award
Dr. Ryo Taniuchi (University of York)for his PhD thesis “In-beam gamma-ray spectroscopy of 78Ni”(University of Tokyo, 2018)• Selection Committee Members
H. Crawford, N. Hinohara, W. Horiuchi (Chair), T. Matsumoto, K. Miki, S. Nishimura,S. Paschalis, S. Sakaguchi, N. Shimizu, D. Suzuki, Y. Watanabe, K. Wimmer• Eligibility: PhD theses from March 31, 2016 to present .
• Applications due on May 26. Result released on July 12.

RIBF Users Meeting 2019
• RIBF Week 2019 (Sep. 2, 3 and 4)- RIBF Users Meeting (Sep. 3 and Sep. 4 morning)- OEDO collaboration meeting (Sep. 2)- SSRI-PNS collaboration meeting (Sep. 4 afternoon)- Joint social dinner- A total of 44 talks/ 52 participants (who paid fee)CountryJAPAN

Number45

Spain
FRANCE22

UK
China

21

TOTAL52• RIBF Users Meeting-

Chaired by K. Wimmer and organized by Y. Watanabe-20 invited talks:§ 4 talks on facility updates + 9 project summary talks + 1 RIBF award§ 2 talks on future plans of RIBF
§ 4 theory talks

Account balance
Registration fee-500 JPY
2,000 JPY (for dinner)

Registration fee

Income26,000 JPY

Coffee break
Name plates, etc.
DinnerFrom last year

ChargeBalance

12,394 JPY
13,940 JPY
50,000 JPY
57,070 JPY

80,720 JPY

133,070 JPY 107,054 JPY

26,016 JPY

Report from Nishina Center
Ken-ichiro YONEDA
User Liaison GroupRIKEN Nishina Center
RIBF user group town meeting
Yamagata University, Yamagata, 17 September, 2019• next NP-PAC meeting• Beam Time in FY2019• Beam Time in FY2020&21

next NP-PAC• 20th NP-PAC meeting
to be held on December 16 (Mon) – 18 (Wed)
Proposal submission deadline October 15 (absolute)• Competition to be tough?
many HiCARI proposals
smaller running time this yearTotal beam time for BigRIPS experiments
3.11 Earthquake160

3 months
operation

RRC RFupgrade140120- facility
obsolescence- budgetrestriction

100?

8060?

4020Total (Data run + MS + Tuning)
PAC-approved experiments

02007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019

Proposed & Approved beam times
ML-PAC

NP-PAC(RIBF part)550 days

382297300

28827826240%
215

200Approval #Proposal #

8943%
116
10061% 53%
68 69

44%
3950%
504281%327587%
6879%
6660

60

5351%
88 91

41%
3838%
11041%
102

408922%
52% 624644%
663227 11 8 1816 12 9 1614 1311 5 4 20 7 12 10 2613 13 8 2812 2516 2311 2114 34 26 25 17 35 25 3314

0i th PAC
Note: Proposals approved as grade “S” & “A”(adopted from 7th NP-PAC) are counted only.

79%
4244138

20076%
505251%
263180% 57%
25 25

2264%
14100%
1111100% 100%
2828 2828
1814100%
43%
57%
888100%866
100%
449 9 3 2 33 3 3
7 7 3 3 0 0 76 7 6 8 7 3 3 5 5 3 2 1 1 22
212
122
100%

1st
2nd
3rd
4th
5th
6th
7th
8th
9th
10…
11…
12…
13…
14…
15…
16…
17…
18…

67%
109 130
112

55%
173

78 days

52%
151

150

50

51%
195

59%
175

173

163

100

80

248

Approval #Proposal #Beam time (days)

265

250

100

315

i th PAC

Backlog

Beam#expdays

Light ions

320.5

18O

1522Ne1540Ca

14.5

48Ca

733.5

70Zn52978Kr218.5124Xe

321238U

529

From FY2021?
Checking possibility
absolutely run
in FY2020
getting smaller

RIBF Beam Time in FY2019••••Long maintenance in summer – building repair work, no cooling water
Schedule until December fixed
Schedule in Jan-Mar 2020 – request early in October
RRC users (AVF injection) will have a chance in February

Beam Time Schedule March - May 2019
AprilSHEMarchMay78Kr124Xe

Beam Time Schedule June, July 2019

JulyJuneSHE124Xe• No RRC RF trouble– During summer, holes were found.
Repaired.

maintenanceBeam Time Schedule October – December
November

October

238UDecember

SHE

RIBF Beam Time in FY2020&21• Nothing has been really decided but…
• SHE occupies new RILAC
running in both RILAC and RRC-E6 possible… how many days?
• HiCARI campaign in FY2020
beams in spring – 238U and 70Zn? Depending on PAC recommendations• In FY2021 RILAC injection SRC-BigRIPS experiments resume?
For 48Ca experiments … possibility being checkedSummary• Next NP-PAC meeting on Dec 16-18
proposal submission till Oct 15• FY2020 … 238U&70Zn for HiCARI?
FY2021 … RILAC injection resumes?