14 Mar, 2019@Fukuoka
1. Report on the activity of RIBF Users Group/UEC (Wimmer) 2. Report from RNC (Yoneda) 3. Report on the activity of RIBF Theory Forum (Yoshida) 4. A plan for the RIBF upgrade (Uesaka) 5. Others (if any)
K. Wimmer (U. Tokyo)

• 2018/09/05 – 2018/09/06
• hosted by UEC • 19 talks • within the RIBF week •  SAMURAI Workshop (9/3 – 9/4) •  RIBF Users Meeting (9/5 – 9/6) •  SUNFLOWER Workshop (9/6 – 9/7) • thesis award jointly with RNC (awarded to T. Nishi) • registration fee •  1000 JPY (for break and others) •  2000 JPY (for dinner)
• LOC invited presentations to cover all fields within the RNC • participants from around the world
• planning of the next RIBF Users Meeting 2019 • present plan: • date: the 1st week of September (9/2 – ) •  place: RIKEN Nishina hall (RIBF hall is occupied by another event) •  call for joint organization with collaborations •  sessions organized by UEC (similar to last year) • sessions organized by individual collaboration •  thesis award will be announced shortly
• present members (2017 - 2021): • K. Wimmer (chair) • S. Sakaguchi • Y. Watanabe • W. Horiuchi • T. Matsumoto • outgoing members (2015 - 2019): • T. Isobe • T. Nakamura • S. Ota • Y. Kanada-En'yo • K. Yoshida • term ends March 31 • elections for five new members starting next week
Ken-ichiro YONEDA User Liaison Group RIKEN Nishina Center RIBF User Group Town Meeting Kyushu University, Fukuoka, 14 March, 2019 ● RRC RF Troubles ● RIBF Beam Time Operation in FY2018 • Beam Time Plan in and after 1st Half of FY2019 ● Announcements
picture by K.Yamada • old cooling water pipe → renewed • Frequency coverage 20-45MHz → 16-38.7MHz V acceleration 18.25 MHz to be in the range (U acceleration also 18.25 MHz)経緯1/17(Thr)  22時過ぎ#1共振器の真空悪化→MT中断→水路45からの漏水確認1/18(Fri)午後#1共振器後退→リーク箇所特定SHI来所1/19(Sat)戸畑製作所来所→13時-17時溶接補修1/20(Sun) #1共振器前進真空引き開始1/21(Mon)加速再開ステム冷却水路#45からの水漏れ発見時es a e溶接1回目2019/01/19 13:52溶接2回目2019/01/19 14:14溶接3回目2019/01/19 14:28再度平らにした→3箇所リーク修理完了(1) ay • Any time there is a risk of water leakage • The recovery requires at least 4 days of beam down time u • Accelerator group and maker company vunder discussion
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No BT time from mid-July to October – Roof & wall repair of Nishina bldg. 78Kr and 124Xe for SRC-BigRIPS 10-day holiday = SHE
Member list on the web . . . can we stop? UEC servers updated OS maintenance expired ... replacement necessary registration & voting system had troubles sorry for inconvenience caused . Mailing list updated majordomo (old mailing list system) ... last update in 2000 There were troubles for distributing emails updated to “MAILMAN” sorry for confusion caused
Next NP-PAC to be held on 16 (Mon) – 18 Dec (Wed) ● 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 Town Meeting@Fukuoka
Kyoto Univ. Kenichi Yoshida
The first term inaugurated August 2006 by Sakurai Hagino, Honma, Itagaki, Kanada-En'yo, Kohama, Matsuo, Mochizuki, Nakatsukasa, Ogata, Ono, Ustuno, Yabana 2007-: Theoretical nuclear physics lab. by Nakatsukasa 「RIBFの物理」 was published The second term from November 2014 Mission: to propose something interesting for the future of RI physics Many-nucleon correlation Collective motion
Equation of state We had discussions based on the interests of the members during five meetings 2015-2016 New species of physics emerge from diverse, multifaceted, and unorganized environment放談会  Hodan-kai ideas are freely discussed in a frank atmosphere low threshold for students The 1st: “expanding the world of exotic nuclei”,  31 Jul. - 2 Aug., 2017 The 2nd: “for the future of physics of exotic nuclei”,  18-20 Feb., 2019 The 3rd: Feb., 2020 Organization of WS/mini-WS on each subject; Mini-WS on Synthesis of superheavy element@RIKEN; 23 May, 2016 WS on R-process in the era of GW@RIKEN; 20-22 Jun., 2018 WS on R-process and nuclear physics@YITP; 22-24 May, 2019 RIBFユーザーミーティング2019年3月14日RIBF高度化計画上坂友洋理研仁科加速器科学研究センター現RIビームファクトリー 2007年 稼働開始
理化学研究所RIKEN理化学研究所RIKEN日本海軍RIKEN   18
r過程元素合成研究を仮説駆動科学からデータ駆動科学へRIBF高度化計画
ビーム強度増強計画238Uビーム(345 MeV/u) 2 p μ A 51V, 54Cr 5→≥6 MeV/u, 5pμA平成28年度補正予算で実施済理研仁科、東大CNS、KEK素核研WNSC、阪大RCNPの共同提案予算規模  100億円/5年間(FY2021–2025)我々の宇宙を形作る重元素はどこから来たのか？ r過程第3ピークへ、核分裂サイクル中性子物質研究元素はどこまで存在するのか？周期表第8周期への挑戦(≥119番元素)加速器はどのように社会に貢献できるのか？核変換研究→櫻井さん
「存在する元素から新しい元素へ」核反応ダイナミクス物理学的基盤に基づく「錬金術」新元素合成核融合多核子移行核変換による長寿命RIの短寿命/安定化r過程元素合成連続中性子捕獲ベータ崩壊核分裂N=28 N=20中性子数\=8
13    14    15    16     17 12 119番元素の合成248Cm(51V,xn)299-x119 1 24 Pa 119 120 8 165 166 Sm Pm H Ce Tb 141 142 8  121  122  123  124  125  126  127  128  129  130  131  132  133  134  135  136  137  138 Pyykkö, Phys. Chem. Chem. Phys. 13, 161 (2011). 158 160 162 156 176 178 180 182 184安定の島？
r過程第３ピーク(質量数>１８０)への展開核分裂サイクル
中性子物質研究状態方程式研究↔  ハドロン物理、宇宙観測、理論との連携多中性子相関中性子星表面の構造形成
ビーム強度増強計画238Uビーム(345 MeV/u) 2 p μ A 51V, 54Cr 5→≥6 MeV/u, 5p μ A平成28年度補正予算で実施済
低エネルギー領域での超伝導線形加速器を開発、ビーム強度5倍へ> 119番・120番元素合成の実験効率が5倍>医療用など有用なRIの大量製造が可能に～2017線形加速器RILAC RILAC o 10 m 2019〜超伝導線形加速器SRILAC超伝導線形加速器クライオモジュー超伝導ECRイオン公演20 m 30 m
今尾他、第13回日本加速器学会(2016)、第21回サイクロトロン国際会議(2016)など
ZDS, SAMURAI, Rare RI Ring slowri, garis, scrit,
実施組織:理化学研究所仁科加速器科学研究センター   (センター長:延與秀人)協力組織:東大原子核科学研究センター KEK素粒子原子核研究所和光原子核科学センター阪大核物理研究センター上記の4組織による四者協議会を発足させ、責任を明確に分掌した計画の実施・運営を進める。
ビーム強度増強計画238Uビーム(345 MeV/u) 2 p μ A 51V, 54Cr 5→≥6 MeV/u, 5pμA平成28年度補正予算で実施済東大CNS、KEK素核研WNSC、阪大RCNPとの共同提案予算規模  100億円/5年間(FY2021–2025)我々の宇宙を形作る重元素はどこから来たのか？ r過程第3ピークへ、核分裂リサイクル中性子物質研究元素はどこまで存在するのか？周期表第8周期への挑戦(≥119番元素)加速器はどのように社会に貢献できるのか？核変換研究