nuclear & particle physics at seoul national universitymotobaya/nishina_school/snu.pdf•...
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Seoul National University
Nuclear & Particle Physics at Seoul National University
Seonho Choi (崔 善浩)Nishina School 2016
Nishina School 2016
Seoul National University
Seoul����������� ������������������ National����������� ������������������ University����������� ������������������
Short����������� ������������������ Introduction
Seoul National University
Seoul National University
• One of the best universities in Korea
• One of Top 10 Universities of Asia(QS rankings)
• Founded in 1946 as the first national university in Korea
• 16 colleges, 1 graduate school and 9 professional schools
• about 2,500 full-time faculty members
• ~16,700 undergraduate students and ~11,300 graduate students
Seoul National University
Seoul National University
Seoul National University
Seoul National University
Airport SNU
Seoul National University
If you visit SNU
Seoul National University
Main Gate
Seoul National University
국립 서울 대학교國立 ソウル 大學校國立 首尔 大學校
Seoul National University
Main Gate
Seoul National University
Seoul National University
• 16 Colleges with 84 Departments for Undegraduates
• Humanities, Social Sciences, Natural Sciences (Department of Physics & Astronomy), Agriculture and Life Sciences, Business Administration, Education, Engineering, Fine Arts, Human Ecology, Liberal Studies, Law, Medicine, Music, Nursing, Pharmacy, Veterinary Medicine
Seoul National University
International Students
• Undergraduate Students 1,029 (out of ~16,700)
• Master’s Program ~1,100 (out of ~8,000)
• PhD Program ~760 (out of ~3,300)
Seoul National University
Department ofPhysics & Astronomy
• Started as Department of Physics in 1946 under the College of Humanities
• 39 Faculty members
• ~50 Researchers
• ~250 Undergraduate students
• ~150 Graduate students
Seoul National University
Research Fields
AreaNumber����������� ������������������ of����������� ������������������
faculty����������� ������������������ members
Elementary����������� ������������������ Particle����������� ������������������ Physics 7
Nuclear����������� ������������������ Physics 1
Condensed����������� ������������������ Matter����������� ������������������ Physics(Theory),����������� ������������������ Statistical����������� ������������������ and����������� ������������������ Computational����������� ������������������ Physics
7
Condensed����������� ������������������ Matter����������� ������������������ Physics����������� ������������������ (Experiment) 17
Atomic/Molecular/Optics 4
Plasma����������� ������������������ and����������� ������������������ Biophysics 3
Seoul National University
High Energy Physicsat SNU
• Particle Physics Theory: 4 faculty members
• Particle Physics Experiment: 3 faculty members
• Nuclear Physics Experiment: 1 faculty members
Seoul National University
RIBF(RIKEN)Nucleosynthesis àOrigin of elements
KEK, JPARCRole of strangeness in nucleus àDense astronomical matter
Jlab/RHICStructure of protons, nuclei àNature of strong interactions
Belle(KEK)BESIII(IHEP)
Matter Antimatter asymmetry àOrigin of matter dominance Properties of heavy quarks & leptons àPhysics beyond the SM
AMORE(Y2L)
Double Beta decay search àProperties of neutrinosSUSY
Dark matter search àOrigin of universe
KIMS(Y2L)
From Quarks to Cosmos
Seoul National University
Nuclear Physics at SNU
Seoul National University
Research Topics
• Strangeness (J-PARC, KEK)
• RI (RIKEN, GANIL)
• Hadron (JLab)
• Muon g-2/EDM (J-PARC)
Seoul National University
KEK/J-PARC Experiments
• Singles: E307(p), E369(n)
• Coincidence: E462(He), E508(C)
• Γn/Γp puzzle finally resolved
• Hint of 3-body process observed
• J-PARC E18 proposed
Seoul National University
Meson Induced Drell-Yan
• Probes quark distribution function of mesons using protons and/or neutrons
• Previous experiments with pion beams at CERN, Fermi Lab.
• New opportunities with kaon beams at J-PARC
• High energy meson beams at 10 GeV produced by the primary proton beam
• Various targets: Hydrogen, deuteron and solid targets
Seoul National University
Research Subjects with RI Beams
• Limits of nuclear stability
• Properties and reactions of exotic nuclei
• Nuclear astrophysics
• Studies of fundamental interactions
• Applications
Seoul National University
SNU Activities at RIBF
• SAMURAI Collaboration
• EURICA Collaboration
• CNS/CRIB
• In the future
• BRIKEN, KISS
8
Hadron Physics at Jefferson Lab• Study of quarks inside the nucleons• Scattering of electrons off protons and neutrons• Polarized beam and targets sensitive to quark spin
direction• Resolution of the spin puzzle
Nuclear Physics at Jefferson Lab• Electromagnetic form factors of nucleons• Property of nucleons inside the nucleus– Coulomb Sum Rule• Nucleon-nucleon correlation in the nucleus
• Experiments as a spokesperson- E05110 (Coulomb Sum Rule), - E07003 (proton spin structure)- E06014 (neutron spin structure)
• Other experiments- E03006 (proton spin structure) : One student working on the analysis
Structure of proton and nucleusat Jefferson Lab
8
Seoul National University
Organization
• Institute for Nuclear and Particle Physics (INPA)
• Superstructure for
• Nuclear Physics
• Particle Physics
• Astrophysics
Seoul National University
核粒子天体物理硏究所
Institute of Basic Science (IBS)Research Area of IBS
§ At present, only minimal office space is available.
§ New Buildings will be constructed in couple of years.
§ $10M/year for 10 years for each research center.
Seoul National University
RI Science Project (former KoRIA)
Slides are borrowed from the Director, Dr. Sunchan Jeong
Seoul National University
Seoul
RISP
RIKEN
Location
Science����������� ������������������ Business����������� ������������������ Belt
Accelerator����������� ������������������ complex
Institute����������� ������������������ for����������� ������������������ Basic����������� ������������������ Science
RAON����������� ������������������ RI����������� ������������������ Accelerator����������� ������������������ in����������� ������������������ Korea
Layout����������� ������������������ of����������� ������������������ RAON
80m
IF system
128.5m
70m
Low Energy Experiments Nuclear Astrophysics Material Science β-NMR
Driver Linac
LEBT
ECR-IS (10keV/u, 12 pµA)
RFQ (300keV/u, 9.5 pµA)MEBT
SCL1 (18.5 MeV/u, 9.5 pµA)
100m
20m
Chg. Stripper SCL2 (200 MeV/u, 8.3 pµA for U+79) (600MeV, 660 µA for p)
Post AcceleratorCB : Charge Breeder HRMS : High Resolution Mass Separator
100m
250m
20m
SCL3
375m
MEBT
100m
ECR-IS
Cyclotron (p, 70 MeV, 1mA)
ISOL systemAtom/Ion Trap
Gas Catcher
High Energy Experiments Nuclear Structure/ Symmetry Energy
110m
RF Cooler
RFQ CB HRMS
ISOL Target
µSR, Medical
IF Target
IF Separator
❑ High intensity RI beams by ISOL & IF
ISOL : direct fission of 238U by 70MeV proton IF by 200MeV/u, 8.3pμA 238U
❑ High quality neutron-rich RI beams 132Sn with up to ~250MeV/u, up to ~108 pps
❑ More exotic RI beams by ISOL+IF
Seoul National University
Summary
• SNU Nuclear Physics Group
• Active in various top research areas
• Leading role as spokespersons
• Quantum leap expected with CUP & RISP
Seoul National University
Thank you감사합니다
ありがとうございます谢谢