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Research at SMI

Research at SMI. J. Marton for the Stefan Meyer Institute (SMI) Austrian Academy of Sciences www.oeaw.ac.at/smi. Overview. SMI - short look back Antiproton Physics at CERN-AD Antikaon - nucleon and – nucleus interaction Kaonic atoms

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Research at SMI

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  1. Research at SMI J. Marton forthe Stefan Meyer Institute (SMI) Austrian AcademyofSciences www.oeaw.ac.at/smi Nuppec Meeting, Vienna, March 13, 2009

  2. Overview • SMI - shortlook back • Antiproton Physicsat CERN-AD • Antikaon- nucleonand – nucleusinteraction • Kaonicatoms • Kaonic hydrogen anddeuteriumat DAΦNE/LNF • Kaonic helium-3 at J-PARC (E17) • ExoticboundsystemswithStrangeness • Searchfor pp dibaryon S=-1 (K-pp) at FOPI • AMADEUS at LNF • E15 at J-PARC • VIP – Testingthe Pauli Principleforelectrons • SMI and FP7 Hadronphysics Nuppec Meeting, Vienna, March 13, 2009

  3. Stefan Meyer Institute - short history • 2002-2004 P. Kienle, Director of "Institute for Medium Energy Physics“ (founded 1987) • 2004: Renamed toStefan Meyer Institute (SMI), Director E. Widmann • Stefan Meyer first director of the „InstitutfürRadiumforschung“ • Founded 1910 • 1st institute of Austrian Academy • Pioneer in radioactivity research • 2 nobel laureates (V. Hess, G. Hevesy) 1910 Nuppec Meeting, Vienna, March 13, 2009

  4. Exotic Atoms Exoticatomsrepresent a bridgebetween atomicphysicsandnuclear/particlephysics … and an uniquelaboratory precisionexperiments Nuppec Meeting, Vienna, March 13, 2009

  5. Fundamental symmetry and interaction studies with exotic atoms • Hadronic atoms (pionic, kaonic, antiprotonic atoms) • highly excited states (optical transitions) pbar-He (atomcule) • spectroscopy, with QED  pbar properties, CPT • low-lying states (xray transitions) • Strong interaction at low-energy (inaccessible in scattering experiments) shift and broadening by strong interaction Nuppec Meeting, Vienna, March 13, 2009

  6. Research Areas • Matter-antimatter asymmetry: ASACUSA @ CERN • Antikaon-nucleon interaction: kaonic atoms and nuclei • Antiprotons at FAIR Nuppec Meeting, Vienna, March 13, 2009

  7. Antiproton Physicsat CERN-AD ASACUSA Nuppec Meeting, Vienna, March 13, 2009

  8. Antiprotonichelium • Hyperfine structure • Precision microwave spectroscopy • antiproton magnetic moment, QED/CPT test • Laser spectroscopy • antiproton mass & charge  QED/CPT test • 2-photon spectroscopy to increase precision Nuppec Meeting, Vienna, March 13, 2009

  9. Antihydrogenground-state hyperfine structure • complementary to 1S-2S laser spectroscopy (ALPHA, ATRAP) • spin-spin interaction • direct CPT test • measured in hydrogen to 10−12 • atomic beam method (Rabi) • no trapping, 100 K temperature is o.k. • new recombination schemes needed • point source straight sextupoles, 4T pole field: efficiency ~10−4 CPT testbycomparisonofhfs H vs. H Nuppec Meeting, Vienna, March 13, 2009

  10. Antikaon-nucleon Interaction Nuppec Meeting, Vienna, March 13, 2009

  11. KaonicAtom „puzzles“ Kaonic hydrogen Kaonichelium (4He) K− 4He (solved) and K− 3He at J-PARC (scheduled) repulsive Δε1sattractive DEAR/SIDDHARTA: K− p, K− d, K-4He at LNF (running) Nuppec Meeting, Vienna, March 13, 2009

  12. Low-energyantikaon- nucleoninteraction • The low-energykaon-nucleoninteractionisneither simple nor well understood. • Problems arise from the existence of resonances like the famous Λ*(1405) in the s wave (one pole/two pole structure?) • In general the development of reliable theories suffers from the lack of precision data on the observables (e.g. shift/width of kaonic atoms) Nuppec Meeting, Vienna, March 13, 2009

  13. Low energykaon-nucleoninteraction • K-p thresholddata • Sourcesofinformation on the s-waveinteraction putconstraints on theory: • Kaon-protonscatteringdata (olddata, large errors) • πΣ massspectrum • Thresholdinelasticdecayratios • X-raydataofkaonicatoms (e.g. K-p, K-d) • Reliabletheoryhastocopetheseinformations • Most simple systems K-p, K-d (K-3,4He) • "kaonic hydrogen puzzle" solved (signof strong interactionis negative, i.e. repulsive atthreshold ) • New precisionexperimentsrunning/upcoming (SIDDHARTA @ LNF, E17@J-PARC) • Precision - challengeforexperiments • Challenge fortheory(extractionofscatteringlengths, K-N sigmaterm) Nuppec Meeting, Vienna, March 13, 2009

  14. SIDDHARTA Collaboration SIlicon Drift Detector for Hadronic Atom Research by Timing Applications LNF- INFN, Frascati, Italy ● Stefan Meyer Institute, Vienna, Austria ● Politecnico, Milano, Italy ● MPE, Garching, Germany ●PNSensors, Munich, Germany ● IFIN – HH, Bucharest, Romania ● Univ. Victoria, Canada ● RIKEN, Japan Nuppec Meeting, Vienna, March 13, 2009

  15. X-rayexperiments: Breakthroughwithnewtechnology • Silicon Drift Detectorswith large activearea activearea 100 mm2 • 2 different types: • SDD withexternal FET (commercialproduct, KETEK) systemstudied: K-4He (E570/KEK) • SDD with on chipintegrated FET  SIDDHARTA (JRA10/EU-FP6) systemstobestudied:K-p, K-d …. Nuppec Meeting, Vienna, March 13, 2009

  16. SDDs forexoticatomresearch Timing capability, excellentenergyresolutionsuperiorto Si(Li) E17 @J-PARC/Japan SIDDHARTA @ LNF Large area SDD (E1@J-PARC) with 1 cm2activearea Large area SDD (SIDDHARTA) with 1 cm2activearea 3 SDDs on 1 chip, on-chip FET Nuppec Meeting, Vienna, March 13, 2009

  17. SIDDHARTA SMI: Cryogenictarget, SDD system, mechanics, cooling, vacuum … Nuppec Meeting, Vienna, March 13, 2009

  18. DAΦNE e+e-Colliderat LNF •  Ideal machine • forkaonicatomresearch: • Source ofnearly mono-energetickaonsfromΦdecay (E~16MeV) • Back-to-back emittedkaonpairs (~50% b.r.) • Stronglyincreasedluminositywithnew • technique (Crab-waist) obtainedrecently Nuppec Meeting, Vienna, March 13, 2009

  19. Experiments at J-PARCTokai/Japan Nuppec Meeting, Vienna, March 13, 2009

  20. Hadron Hall Hadron Hall Nuppec Meeting, Vienna, March 13, 2009

  21. Kaonic3He x-Ray Spectroscopy Day-1 experimentat J-PARC (E17) SDDs Cryogenic3He target (1.3 K) Similararrangementlike E570 (K-4He at KEK) but smallertarget. Stopped K-, n-situ calibration, fiducialcut, preamplifiersoperated in vacuum Nuppec Meeting, Vienna, March 13, 2009

  22. Kaon-Nucleon Interaction: Kaonic Nuclei FOPI (4π) Λ reconstruction missing mass and invariant mass • Proposed by Yamazaki & Akaishi • FOPI: K− pp: search for lightest state • J-PARC E15: alternate production method “in-flight”) • future possibilities • AMADEUS @ LNF • Search for antiproton-induced production at AD/FLAIR Nuppec Meeting, Vienna, March 13, 2009

  23. SMI and FAIR (Facilityfor Antiproton and Ion Research) FAIR Start event on November 7, 2007 Nuppec Meeting, Vienna, March 13, 2009

  24. Site Projects @ FAIR with SMI participation • FLAIR • PANDA Nuppec Meeting, Vienna, March 13, 2009

  25. Antiprotons at FAIR High Energy Storage Ring for Anti-protons (HESR): 1.5 –15 GeV/c SIS 100 / 300 HESR pbar production Capture and accumulation pbar program in CDR FLAIR CR New low-energy facility NESR deceleration Nuppec Meeting, Vienna, March 13, 2009

  26. HESR and PANDA • SMI participates in R&D • Internal target • Vacuum in target region • Cherenkov detectors • PANDA Grid Cluster jettarget Target DIRC (PID) Nuppec Meeting, Vienna, March 13, 2009

  27. FLAIR • Facility for Low-energy Antiproton and Ion Research • Next generation facility beyond CERN-AD Nuppec Meeting, Vienna, March 13, 2009

  28. Low Energy Antiproton Physics at FLAIR E.Widmann CAMOP,Plans for a Next-Generation Low-Energy Antiproton Facility, PhysicaScripta72 (2005) C51-C56 Nuppec Meeting, Vienna, March 13, 2009

  29. VIP Pauli Principletestforelectrons Experiment at LN Gran Sasso Searchforforbidden x-raytransitions in Cuwith CCDs Improvementof PEP violationlimitto 10-30 Experimental method 8.04 keV in Cu ~7.7 keV in Cu Nuppec Meeting, Vienna, March 13, 2009

  30. SMI participation in FP7 Hadronphysics2 • RTD Activities • WP19: FutureJets • WP24: JointGEM (spokesperson:J. Zmeskal/SMI) • WP28: SiPMs • Networks • WP9: LEANNIS (spokesperson: J. Marton/SMI) LEANNIS Nuppec Meeting, Vienna, March 13, 2009

  31. International Network LEANNIS in FP7 HadronPhysics2 LEANNIS • 12 participatinginstitutionsfrom • 5 EU countries: Austria, Finland Germany, Italy, Poland, • Associated country: Japan Nuppec Meeting, Vienna, March 13, 2009

  32. LEANNIS Objectives • Precise determination of the isospin dependent antikaon-nucleon scattering lengths using kaonic atom X-ray spectroscopy with new technlogy followed by theoretical extraction and interpretation. • Precision X-ray spectroscopy of kaonic atoms with light nuclei, such as 3He and 4He for determination of the antikaon-nucleus interaction including its theoretical interpretation. • Further developments and applications of theoretical methods: chiral perturbation theory, effective field theory with strangeness, chiral SU(3) dynamics with coupled channels, antikaon-nuclear few-body theory; comparisons with data from high-precision experiments. • Search for deeply bound antikaonic nuclear states using various reactions and fully exclusive determination of the reaction and decay products. Nuppec Meeting, Vienna, March 13, 2009

  33. EXA Conferences • International Conference Series in Vienna Exotic Atoms and Related Topics 2002/2005/2008 80 participants 120 participants 180 participants (incl. LEAP) Nuppec Meeting, Vienna, March 13, 2009

  34. Thankyouforyourattention Nuppec Meeting, Vienna, March 13, 2009

  35. SPARE Nuppec Meeting, Vienna, March 13, 2009

  36. SMI Personnel • Ordinary budget • 8 scientist position (one shared by 2 Ph.D.) • 4 technicians, 1 secretary • 2,5 Ph.D., 1 MS • third party funding • 2 PD (EU, FWF) • 2 Ph.D. (FWF, Egyptian Government) • undergraduate students • TU Wien: Projektarbeit • summer students, „Innovationspraktika“ (high school)

  37. SMI Funding • ÖAW - Ordinarium • EU FP6 & FP7 • bm_wf additional funding if rate below max. • FWF - funds projects, no international collaborations; exception • common program with Japan (successful), Russia (successful) • bm_wf: collaborative costs • no large investments (e.g. DE: Verbundforschung)

  38. New idea in nuclearphysicswithantiprotons Proposed by P.Kienle(*), T.Yamazaki and W.Weise(**) (*) Int. Jour. Mod. Phys. A 22 (2007)365 (**) arXiv:nucl-th/0507058 v1 (2005) Kaons produced with antiproton annihilation at rest (AD, FLAIR) – search for double-kaon bound nuclear systems J. Zmeskal, Proc. EXA/LEAP 2008, tobepublished in Hyp. Interact. Nuppec Meeting, Vienna, March 13, 2009

  39. X-ray data of kaonic hydrogen: present status • KpXsolvedthe so-called "kaonic hydrogen puzzle"  theinteractionis repulsive • Precision limited (e.g. error bar ofwidth > 50%) • Most precisevaluesforsiftandwidthfrom DEAR experiment • But still precision limited • shift vs. width (1 σerrors) seebelow DEAR (2005) 1s = - 193 ± 37 (stat.) ± 6 (syst.) eV 1s = 249 ± 111 (stat.) ± 30 (syst.) eV aK-p = (-0.468 ± 0.090 ± 0.015) + i(0.302 ±0.135± 0.036) fm KpX (1998) 1s = - 323 ± 63 (stat.) ± 11 (syst.) eV 1s = 407 ± 208 (stat.) ± 100 (syst.) eV aK-p = (-0.78 ± 0.15 ± 0.03) + i(0.49 ±0.25± 0.12) fm Nuppec Meeting, Vienna, March 13, 2009

  40. J-PARC LINAC April/11/2008 K1.8 RCS (3GeV) K1.8BR Kaon beam Primary Proton 50GeV -PS Hadron Hall Nuppec Meeting, Vienna, March 13, 2009

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