RIBF user group town meetingat the 72nd JPS annual meeting 2017
Agenda:1) RIBF user group activity report (Isobe) 30 min.
2) Election for UEC members (Isobe) 5 min.
3) Nishina center report (Yoneda) 15 min.
4) RIBF discussion meeting (Yoshida) 5 min.
5) Report from the WG on the physics of unstable nuclei(D. Suzuki) 20 min.
6) Others

RIBF User groupactivity report• Endorsement of prior booking system of RIBF
guest house.
• Highlight report from MT committee meeting.
• RIBF Thesis award 2017

• Call for application now.

• Issue on FEE Æ no news
• Symposium on the RIBF 10th Anniversary.

Symposium on the RIBF 10th Anniversary• Objective: To celebrate the 10th anniversary andour achievements. To discuss the future of RIBF.
• Talks should be covered: Review talks on theachievements. Future projects. How it all started.
• Date: Dec. 11-12, 2017
• RIBF NP-PAC at Dec. 7-9• Users meeting at Dec. 13rd.

• Co-hosting with RNC: under negotiation.
• OC: UEC members, ex-UEC chair (and RNC staff).
• Any comments/suggestions on this symposium iswelcome!

Election for UECmembers

FY2016 UEC members• N. Imai : CNS : Exp. (2013 - Mar. 2017)• T. Sumikama : Tohoku : Exp. (2013 - Mar. 2017)• A. Obertelli : Saclay : Exp. (2013 - Mar. 2017)• K. Ogata : RCNP, Okaka : Theor. (2013 - Mar. 2017)• M. Kimura : Hokkaido : Theor. (2013 - Mar. 2017)• T. Isobe : RNC : Exp. (2015 - Mar. 2019)• T. Nakamura : Titech : Exp. (2015 - Mar. 2019)• S. Ota : CNS : Exp. (2015 - Mar. 2019)• Y. Kanada-En'yo : Kyoto : Theor. (2015 - Mar. 2019)• K. Yoshida : Niigata : Theor. (2015 - Mar. 2019)• Supplement Member• P. Fallon : Berkeley : Exp (2015 - Mar. 2017)• J. Lee : Hong Kong : Exp (2015 - Mar. 2017)• M. Asai : JAEA : Exp (2015 - Mar. 2017)

Let’s appreciate themfor their work.

• Period of vote: Feb. 21 – Mar. 7• Number of votes: 129/655 (19.7%)• Election two years ago: 103/590 (17.4%)• Elected members from Experimentalist• Wimmer Kathrin (U-Tokyo)• Sakaguchi Satoshi (Kyusyu)• Watanabe Yutaka (KEK)• Elected members from Experimentalist• Horiuchi Wataru (Hokkaido)• Matsumoto Takuma (Kyusyu)• +Supplement members

FY2017 RIBF UEC members• Apr. 2015 - Mar. 2019

• T. Isobe : RNC : Exp. : Chair• T. Nakamura : Titech : Exp. : HP
• S. Ota : CNS : Exp. : Users meeting• Y. Kanada-En'yo : Kyoto : Theor. : Thesis award• K. Yoshida : Niigata : Theor. : vice-chair, RIBF User Group
List• Apr. 2017 - Mar. 2021

• K. Wimmer : U-Tokyo : Exp. : vice-chair Æ chair fromFY2018• S. Sakaguchi : Kyusyu : Exp. : HP, Users meeting HP• Y. Watanabe : KEK : Exp. : Users meeting• W. Horiuchi : Hokkaido : Theor. : Thesis award• T. Matsumoto : Kyusyu : Theor. : RIBF User Group List

RIBF Status ReportKen-ichiro YONEDA
User Liaison and Industry Cooperation GroupRIKEN Nishina Center
RIBF Users Group Town Meeting
Osaka University, Toyonaka, May 17, 2017• Celemony of “Nihonium” on 14 March• RILAC upgrade schedule• RIBF Beam Time Operation in 2nd half of FY2016• Beam Time Plan for FY2017• Announcements

Celemony of “Nihonium”• On March 14 @ i 9A%m– P"$E{[+– IUPAC j(^– CM|WYa;– KRKjrIUPAP jr6S!Zr
l-J!ZrOganessian|43

http://www.riken.jp/pr/topics/2017/20170316_1/
http://www.riken.jp x¢¥yu~RILAC upgrade schedule• B,.*k#– à GARIS2T_§E6¨ 6>:x

• RILAC*– /)=77>:x2017,.@– ¥Ird=72018,.
– 2019,<x`fcr x¦X©

• 2019,RILACLFY2016 2nd half

• SRC/BigRIPS experiments“5 months” operation
238U, 48CaNowBeam Time Schedule: Oct.– Dec. 2016
October

December

238UImPACTNovember¡£qnucl. radius
R3 test¡£p

SAMURAISAMURAI
In-beamgamma

48Ca¡£]GH<xfc5n}Beam Time Schedule: Jan. – Mar. 2017

MarchJanuaryFebraury

To start SRC
with 48CaBeam time plan of FY2017• 1st attempt – 70Zn from RILAC2• spring-summer SRC operation till mid July
• operation days in total - ???
Now

Beam Time Schedule plan: April – June 2017
MayApril

BRIKEN
238U

new isotope
June

SEASTAR

70Zn

SAMURAI In-beamgamma

70Zn
18O

ImPACT(OEDO)SAMURAI+NeuLAND

Beam Time Schedule plan: July – Sept. 2017
AugustJuly

September

SAMURAI+ NeuLAND

http://www.nishina.riken.go.jp/rarfmt/pc.html

Backlog experiments

beam

# exp

days

Light ions

424.5

18O

528.5

48Ca

52270Zn

843.5

78Kr

428124Xe

318238U

1263.5

Total

41228

FY2016 – 79 days of PAC-approved exps done
FY2015 – 62 days of PAC-approved exps doneAnnouncement (1/2)• On-Campus Accommodation–,.? ¦£x'o3h) V'8à Vsvtzyuà Leys¤¥¦t 1r3h)V&9QV AOKR§CNS,KEK¨¥WN\w• NP-PAC– Next: December 7-9, 2017– Dx
Proposal $ 10 $%Appendix&"#%PAC!#  &• b6¢– k~
– 'o'804, Wg}2Ub6}¦PACWYa;FAnnouncements (2/2)•RIBF Symposium and Mini-Workshop
http://www.nishina.riken.go.jp/ulic/ulic_apply.html[Symposium]
Objective: Exchange views among researchers in a relevant field.
Maximum amount of financial support: 500,000 JPY
Deadline: Application must be submitted in March and in September.
[Mini-Workshop]
Objective: To solve specific problem. Analysis meeting is acceptable.
Maximum amount of financial support: 150,000 JPY
Deadline: Applications will be accepted all the time being reviewed
and evaluated immediately.

RIBF discussion
http://indico2.riken.jp/indico/categoryDisplay.py?categId=50

aiming at making a stronger collaboration among theory andexperiment related to physics at RIBF, and at achieving maximum
outputs from RIBF
90-min. sessions on experiment and theory with a long discussion time
Organizing committee:T. Uesaka, M. Sasano , H. Z. Liang (RNC), T. Nakatsukasa (Tsukuba),
D. Nishimura (TUS), K. Yoshida (Niigata)+Local organizers
The theme is determined based on the interests of local people.
RNC supports travel expenses of the lecturers.

2016
03 Aug: The tetra-neutron system @ Tohoku Univ.
04 Mar: Charge radii studies through laser spectroscopy @ RIKEN
2015
27 Nov: Single-particle states from one-nucleon removal reactions @ Univ. Tokyo
08 July: Neutron-proton correlations @ Univ. Hong Kong
02 Mar.: Heavy-ion reaction and multi-nucleon transfer @ Univ. Tsukuba
2014
25 Sep.: Cluster states probed by reaction experiments @ Kyoto Univ.
31 July: Isovector spin giant resonances at the extreme of large A/Z @ RIKEN
04 Mar.: Nuclear EOS probed by direct reaction @ Kyushu Univ.
2013
24 July: Exotic modes of nuclear rotation @ RIKEN
24 May: Nuclear mass @ RIKEN
21 Feb.: Neutron skin and photonuclear reaction @ Hokkaido Univ.
2012
27 Dec.: Fission in heavy nuclei @ Niigata Univ.
24 Sep.: Gamma-ray spectroscopy of medium-heavy neutron-rich nuclei @ Tohoku Univ.
25 July: Deformed halo structure @ RIKEN
24 May: r-process @ RIKEN

15th: On the tetra-neutron system
Local organizers: K. Sekiguchi and K. Miki
Experimental studies of the tetra-neutron system by using RI-beam
S. Shimoura (CNS, Univ. Tokyo)
Study of four-body resonance of tetra-neutron system
E. Hiyama (RNC)

Progress report ofworking group for physics withunstable nuclei

Nobu ImaiCNSRIBF user group town meeting during the JPS annual meeting
March 17, 2017 Osaka University, ToyonakaWG members
N. Imai, S. Michimasa, S. Ota, H. Yamaguchi

Y. Watanabe

M. Asai, F. Minato, K. Nishio, T. Sato, Y. Usuno
N. Aoi, H.J. Ong, E. Ideguchi, T. Shima
D. Kaji, H. Haba, Y. Ichikawa, T. Isobe, K. Itahashi, H. Liang, K.
Morimoto, S. Nishimura, T. Onishi, H. Otsu, M. Sasano, T. Sonoda,
S. Sumikama, D. Suzuki, H. Ueno, T. Uesaka, J. Zenihiro
M. Yamagami

H. Fujioka

W. Horiuchi

S. Sakaguchi, T. Teranishi
K. Hagino, N. Iwasa

T. Yamaguchi

M. Takechi

T. Abe, M. Niikura
T. Nakamuramember of working group• 42 members (with 16 members from RNC)
• Core members:– Imai (Chair, CNS)
– Sasano (Vice chair, RNC)
– Isobe (Secretary , RNC)
– Fukuda (RNC), Niikura (Tokyo), Ong (RCNP),
Sakaguchi (Kyushu), Suzuki (RNC), Watanabe (KEK),
Yamagami (Aizu)

History (1/3): early dates
December 22, ’15

First WG-wide meeting at the RIBF conference room

January 5, ’16

Meeting with RNC
RNC presented future plans of RIBF.
WG presented requests from domestic users.
RNC asked WG to provide four physics subjects that merit
Nobel prizes.

January 7 to 12, ’16 discussion among WG members via emails.
January 13, ’16

discussion among core members.

New white paper for next 5 years
Last edition:
Genshikaku Kenkyu, Vol. 57 Suppl. 2 (’13)

History (2/3): workshops
March 11, ’16

RNC

存在限界 陽子軸
limit of stability Z-axis

March 23, ’16

RNC

存在限界 中性子軸
limit of stability N-axis

April 27, ’16

RCNP 量子多体系の物理(殻構造、変形、n核子相関)
quantum many body problem

June 9, ’16

RNC

アルファクラスター相関
alpha cluster structure

October 20, ’16

RNC

宇宙核物理勉強会
nuclear astrophysics

October 20/27, ’16 RNC

状態方程式勉強会
equation of states

History (3/3): editorial meetings• WG members provide texts and figures.
• Core members edit. Gather once in every two weeks at RNC.
• Preliminary draft by March 31, 2017. Will be reveiwed by WG.
February 1, ’17

1 to 3 pm @306 Preliminary draft from each group(as per request by Imai on January 17)

February 16, ’17 3 to 5 pm @306
March 13, ’17

1 to 3 pm @306

March 27, ’17

1 to 3 pm @406 Planned.

Version 2013
2.1 不安定核物理
2.1.1 序1. ６つの視点と基本問題
2. 現存の施設、検出器の概観
3. 新しい施設、検出器の提案
2.1.2 各論
1. 存在限界と基礎量
2. １粒子運動3. n核子相関
4. 変形
5. 状態方程式
6. 超重核7. 宇宙核物理
2.1.3 他のＷＧとの連携
2.1.4 タイムライン
2.1.5 リソース
2.1.6 まとめと展望2.1.7 謝辞

Version 2017
「想定読者は、粒子物理学に興味を持っている学部生レベル」(Target readers are undergraduate students highly aware of subatomic physics.)
•••

•
•

Introduction (今井)– Brief research history of unstable nuclei in Japan– Facilities, institutions, global partners
Search for the limit of nuclei (今井)– SHE/ New isotopes (and 4n)/ deformation and high spin (今井/市川)– fusion and multi-nucleons transfer reactions (西尾/渡邉)– EOS (銭廣/大田/民井/武智)Many-body physics（新倉/鈴木）– shell structure (鈴木)– alpha cluster (山口/笹野)– NN correlation (仁/近藤)– deformation (新倉)Mechanism of direct reactions（坂口）Nuclear astrophysics （笹野）– Light elements (山口)– Heavy elements (梶野)Schedule
March 31, ’17 Preliminary first draft will be sent forreview by WG members.
April 28, ’17 First draft will be complete.
October, ’17

JPS fall meeting; Final version.

Homework
Discuss possibility of nuclear physics research at ILC
Æ discussion will start after April.