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1/23 Nuclear physics and facilities in China Weiping Liu CIAE, China institute of atomic energy IUPAP WG9 symposium, TRIUMF, Vancouver July 2, 2010.

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Presentation on theme: "1/23 Nuclear physics and facilities in China Weiping Liu CIAE, China institute of atomic energy IUPAP WG9 symposium, TRIUMF, Vancouver July 2, 2010."— Presentation transcript:

1 1/23 Nuclear physics and facilities in China Weiping Liu CIAE, China institute of atomic energy IUPAP WG9 symposium, TRIUMF, Vancouver July 2, 2010

2 2/23 Facilities in China (Not complete) Nuclear physics –CSR Lanzhou –HI-13/BRIF Beijing Particle physics –BEPCII Beijing –More can be heard from Prof. Zhans talk Application –SSRF Shanghai, BEPCII Beijing, and USTC Heifei, synchrotron radiation facilities –CARR and CSNS, neutron facilities

3 3/23 Scope of study Nuclear physics with stable nuclei –SHE –Reaction and structure Nuclear physics with unstable nuclei –Reaction –Structure –Nuclear astrophysics Funded by –MOST, 973 –NSFC –CAS, MOE, CAEA, and other funds Societies and meetings –NN2009, held in Beijing in August 16-21, 2009 –China nuclear physics society Experimental IMP, CSR, HI physics CIAE, HI-13, BRIF, low E NP Other: IHEP, SINAP, PKU, USTC and others Theoretical All institutes above PKU, THU, plus other universities

4 4/23 Two major facilities in nuclear physics Beijing BRIF, BRIF II, Low E HI, RIB, 2013 Lanzhou, CSR Med E HI, RIB, 2008

5 5/23 Research activities Physics –Reaction and others around coulomb in Beijing, few tens MeV A at Lanzhou and RIKEN SIAP: Lanzhou exp, for total cross section 23 Al, 27 P and 17 F, Riken exp, 23 Al; 2p emission in Lanzhou for CIAE reaction 17 F+ 12 C at CNS and near barrier and fusion, in CIAE PKU: 17 Ne, 16 C Lanzhou, 6 He and 8 He in RIKEN, transfer and breakup CSR mass measurement in Lanzhou –Decay, and the PKU for beta-n, 21 N –In-beam gamma exp, CIAE, Lanzhou, Jilin, TU, PKU, stale nuclei –Nuclear astrophysics, indirect and direct and decay, in CIAE, Lanzhou, TRIUMF and CNS –Super heavy elements: mainly performed in Lanzhou –1st Observation of antimatter hyper-nucleus: RHIC STAR-SIAP –Many theoretical activities Detector –Good collaboration in gamma array: Beijing-Lanzhou –Charged particle array, Lanzhou, CIAE and PKU –PKU for beta-n decay –Neutron detection wall, Lanzhou and PKU –Gas fill separator for SHE in Lanzhou

6 6/23 Recent research highlights 26 Mg+ 243 Am 266 Bh+3n E =9.03±0.08 MeV T1/2=0. 66s 21 N

7 7/23 Detector developments

8 8/23 CSR in Lanzhou

9 9/23 Introduction to HIRFL N CSRm CSRe SFC SSC ECR:keV SFC: 10 AMeV (H.I.), 17~35 MeV (p) SSC: 100 AMeV (H.I.), 110 MeV (p) CSRm: 1000 AMeV (H.I.), 2.8 GeV (p) RIBLL1: tens AMeV (RIBs) RIBLL2: hundreds AMeV (RIBs & HCI) RIBLL2 RIBLL1 ECR Stable Beams Radioactive Beams HIRFL: Heavy Ion Research Facilities in Lanzhou

10 10/ Original idea 1996 Proposal 1998 Approved Construction Commissioning Commissioning Operation & Experiments History of CSR

11 11/23 BRIF in Beijing

12 12/23 BRIF (Beijing rare ion beam facility) Cyclotron ISOL Tandem SCL 100 MeV 200 A compact proton cyclotron mass resolution ISOL, 2 MeV/q super-conducting LINAC Already funded, but requiring additional supplement Brief idea in 1990, supported in 2004 Available in

13 13/23 RIB intensity expected

14 14/23 Project Milestone Original idea in 1990 Evaluation in 1997 Project approved in 2003 Feasibility plan approved ($27 M) in 2004 First budget ($20 M) come to CIAE in 2005 Renewed feasibility plan finished in 2006 Revised feasibility plan submitted in 2008 Revised feasibility plan got permission in Aug ($52 M) Project design report approved in July 2010 Deliver to user in 2013

15 15/23 BRIF status in 2010 Cyclotron: magnet rough finished, with detailed fabrication finished ISOL: design finished, target-source area in progress SC linac: design finished, all the fabrication in progress Civil engineering will start by the end of the year

16 16/23 Engineering layout

17 17/23 3D internal structure of proton cyclotron

18 18/23 Magnet design and fabrication

19 19/23 CARR and CSNS

20 20/23 power MW flux n/(cm 2 ·s) l0 14 l0 14 CARR get its first criticality in May 13! CARR: China Advanced Research Reactor

21 21/23 Residual stress diffractometer cooperated with Switzerland Neutron physics: Neutron scattering

22 22/23 CSNS in Guangdong

23 23/23 Conceptual of CARIF China Advanced Rare Ion-beam Facility CARR ISOL LINAC FRS Halo r process Magic n th 130 Cd, 78 Ni, 138 Sn 8x10 14 cm 2 s pps pps 300 keV 10 MeV/A 150 MeV/A 132 Sn, 91 Kr, 142 Xe SHE Reaction Structure pps 50 MeV/A Fission beam T 1/2 N/Z 132 Sn, 39.7 s, Kr, 1.8 s, Xe, 1.22 s, Sn, 91 Kr, 142 Xe Stable beam N/Z 238 U, Ca, Xe, 1.52 Fragmentation of fission product can result highly n-rich ion beam! 132 Sn, 91 Kr, 142 Xe 91 Kr 132 Sn I. Tanihata, NIM B266(2008)4067

24 24/23 Summary Nuclear physics in China developed rapidly, driving by CSR, BRIF, CARR, and future facilities and research projects CSR, BRIF and new project will open up exciting research opportunities in nuclear physics We would like to collaborate with foreign colleagues, especially for the active research and recruiting of user groups after the facility commission


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