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Report to KoRIA Review Committee Robert E. Tribble Chair, International Advisory Committee
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Nuclear Science [Today and for the Next Decade] Frontiers: Quantum Chromodynamics (QCD) and Hadrons [LHC, RHIC, JLab, JPARC, e + e - (Beijing, DAPHNE, KEKB, Novosibirsk),..., FAIR] Fundamental Symmetries and Neutrinos [neutrinos, double-beta decay, low-energy Standard Model studies, edm’s,...] Physics of Nuclei and Nuclear Astrophysics General goal (from U.S. Long Range Plan): Explain the origin, evolution, and structure of the visible matter of the universe—the matter that makes up stars, planets, and human life itself.
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Physics of Nuclei and Nuclear Astrophysics What is the nature of the nuclear force that binds protons and neutrons into stable nuclei and rare isotopes? What is the origin of simple patterns in complex nuclei? What is the nature of neutron stars and dense nuclear matter? What is the origin of the elements in the cosmos? What are the nuclear reactions that drive stars and stellar explosions?
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RIB Facilities (Operating or Under Construction)
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International Advisory Committee NameInstituteNationality 1 Yorick Blumenfeld yorick.blumenfeld@cern.ch CERN, ISOLDEFrance 2 Sydney Gales gales@ganil.fr GANILFrance 3 Walter Henning wfhenning@anl.gov Argonne National Lab.Germany/USA 4 Young-Kee Kim ykkim@fnal.gov Fermi National Accelerator LabKorea/USA 5 Y. Y. Lee yyyhlee@optonline.net Brookhaven National Lab.USA 6 Shoji Nagamiya shoji.nagamiya@j-parc.jp J-PARCJapan 7 Won Namkung namkung@postech.ac.kr PostechUSA 8 Witek Nazarewicz witek@utk.edu University of Tennessee, Knoxville/ORNLUSA 9 Bill Shin shin@triumf.ca TRIUMF/Saskatchewan Univ.Canada 10 K. S. Sim kssim@korea.ac.kr Korea UniversityKorea 11 Robert E. Tribble r-tribble@tamu.edu Texas A&M UniversityUSA 12 Yasushige Yano yyano@riken.jp RIKENJapan
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1 st IAC Meeting Vancouver – July 7, 2010 Introduction of the International Advisory Committee Members Report of the status of the project (15 min presentation) The IAC, TAC and Korean domestic AC (during the presentation) Review/advice on the geological conditions summarized Advice for making the facility to be unique and complementary Advice for possible international collaborations Information or documents that can be helpful and needed Future schedules – Call for Letters of Intent – Technical Advisory Committee Meeting – Asian Nuclear Physics Association (ANPhA) Symposium Agenda
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Charge to IAC for Meeting SITE – is space requested reasonable; what issues should be considered for location? Cyclotron – is energy optimum; is a linac a better option? RIKEN – does the fragmentation part of the plan overlap too much with RIKEN? Letters of Intent – should there be a call for these now? Any other issues Summary letter from IAC sent to Professor Hong near the end of July, 2010.
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2 nd IAC Meeting Seoul – October 29-30, 2010 Session I (9:45 ~ 12:00)Chair : 09:45 – 10:00 Opening : 10:00 – 10:25 1. Overview of KoRIA Project : Seung-Woo HONG (SKKU) 10:25 – 11:10 2. Overview of science goals for KoRIA : Yong Kyun KIM (HYU) 11:10 – 11:40 3. ISOL driver and linac for RIB beams: Jong Seo CHAI (SKKU) 11:40 – 12:00 4. ISOL target : Byoung-Hwi KANG (HYU) Agenda Lunch 12:00 ~ 13:15 (IAC closed lunch)
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Session II (13:15 ~ 15:45)Chair : 13:15 – 13:355. KoRIA Recoil Spectrometer : Seonho Choi (SNU) 13:35 – 13:556. Material science with ISOL beams : Se Hwan PARK (KAERI) 13:55 – 14:257. 200MeV Linac : Seung-Kook KO (KAPRA) 14:25 – 14:458. In-flight Fragmentation: Jong-Won KIM (NCC) 14:45 – 15:059. Large-Acceptance Multipurpose Spectrometer (LAMPS) : Jung Keun AHN (PNU) 15:05 – 15:2510. Atomic/Nuclear physics research using trap system : Dai Hyuk Yu (KRISS) 15:25 – 15:45Coffee Break Session III (15:45 ~ 18:00)Chair : 15:45 – 17:00 IAC Closed Session 17:00 – 18:00 General discussion
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Session IV (09:00 ~ 13:00)Chair : 09:00 – 10:30 Closed IAC session 10:30 – 11:00Coffee Break 11:00 – 11:30 Closeout Session 11:30 – 13:00 Closed IAC report writing Writing assignments agreed upon Final report was completed by 12/23/2010
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IAC Report Sections Executive Summary KoRIA Facility and Science Program Accelerators and Targets Instrumentation Organization
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Statements from Executive Summary When constructed, the KoRIA laboratory will be world class in the very competitive field of rare-isotope science...the laboratory will support a truly world-leading science program in basic research in such diverse fields as nuclear science, atomic physics, materials science, and biological/life sciences. The design team has developed a plan that optimizes the advantages of existing accelerator technology. As part of the conceptual design, the KoRIA design team has developed plans for several spectrometer systems. From experience gained at other major laboratories, the IAC expects these preliminary designs to evolve as the scientific priorities of the laboratory are defined. In order to move the laboratory from design to construction, an organizational structure will need to be developed.
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IAC Report – I KoRIA Facility and Science Program The energies and intensities anticipated from the ISOL system will exceed the capabilities of other existing ISOL facilities, and compete very favorably with those now under construction. With the addition of the high-energy superconducting linac, the facility will be able to produce high-intensity rare isotope beams for fragmentation studies by injecting the ISOL extracted beams into the linac. Such a combination will be truly unique in the world. It could possibly open a door for producing the most neutron-rich isotopes that could ever be found in nature. The combination of the high-intensity injector and high-energy linac will yield very high-power heavy-ion beams and high-power proton beams...similar to those from FRIB. The KoRIA facility will support a very broad science program including studies in basic nuclear science, applied nuclear science, nuclear data applications, nuclear waste management, atomic physics, biology/life sciences, materials science, and national security. The program envisioned for KoRIA has the potential to rank among the best in the world in the rapidly growing field of RIB science.
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IAC Report – II Accelerators and Targets The IAC agrees with the plan that initiates construction of a high power cyclotron driver for initial ISOL research very early in the project. Unless there are compelling reasons such as cost or performance for a 70 MeV, 1mA cyclotron, the IAC recommends a 100 MeV, 1 mA fixed frequency cyclotron for the ISOL driver accelerator. Targets used in the ISOL ion source are a major concern for any high power system...they are difficult to design for optimal beam extraction and often prove difficult to operate for long times. Soon after KoRIA moves from the conceptual design phase to an approved project, a team should be set up to begin developing ISOL targets. The most efficient path to follow is to collaborate with groups around the world who are working on this issue now. A parameter that impacts the performance of the (post-accelerator) linac is the mass to charge ratio—A/Q—that it will accelerate. The IAC recommends that this value be limited to A/Q < 8. The proposed scheme for constructing the high-intensity high-energy superconducting linac is sound, but it is technologically challenging. The preliminary (fragment separator) design is an excellent starting point. A detailed design can be developed as the project moves forward.
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IAC Report – III Instrumentation A large array of instruments and detectors will be needed in order to fully exploit the capabilities of the KoRIA facility. The KoRIA group should take advantage of other development efforts around the world as they assess the needs for their new facility. A high-quality recoil spectrometer with good mass resolution is one of the instruments that will be needed for the facility. It will be important to determine if one device will satisfy the large number of experiments envisioned for the KoRIA Recoil Spectrometer (KRS). A device such as the Large-Acceptance Multi-Purpose Spectrometer (LAMPS) could take advantage of the unique capabilities at KoRIA through the fragmentation of very neutron-rich rare isotope beams. But LAMPS, like the KRS, would be able to carry out many different experimental programs. Ultimately it will be important to set the priorities for the facility and let them guide the types of devices built and the sequence of the construction projects. The IAC strongly encourages the different groups involved with development of instrumentation to get the international research communities who are interested in the science strongly involved as early as possible.
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IAC Report – IV Organization The Organizational Structure of the project as it moves to the next phase, a tentative Management Plan, and a proposed (resource loaded) schedule should be addressed in the CDR. The major issues that will determine if KoRIA is successful appear to be (1) securing a funding commitment that optimizes the construction profile, (2) putting in place an organizational structure that leads to a strong project management team, and (3) developing both the scientific and technical workforce that will be needed to carry out the project and operate the facility. Once a funding commitment is in place, the structure around which the project is organized becomes crucial. Experience from similar sized projects around the world that have succeeded should be used to set up the new organization that will build the KoRIA facility. The general organizational structure that has evolved for large scientific construction projects is based on a central administration that has responsibility for managing all the aspects of the construction. Ultimately a single project leader needs to be in charge of making decisions on the allocation of resources, which includes both funding and workforce resources.
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