1 / 25

Precision Tests of Fundamental Interactions with Ion Trap Experiments

Explore ion trap experiments, g-factor measurements, laser spectroscopy, and mass measurements with extreme accuracy. Study collisions, surface analysis, and hollow-atom spectroscopy. Discover highly charged ions and antiprotons at low energies. Learn about electron cooling, g-factor traps, and innovative experimental setups.

ricardob
Download Presentation

Precision Tests of Fundamental Interactions with Ion Trap Experiments

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Precision Tests of Fundamental Interactions with Ion Trap Experiments Wolfgang Quint GSI Darmstadt and Univ. Heidelberg

  2. HITRAP at the Experimental Storage Ring ESR post- decelerator stripper target UNILAC cooler Penning trap experiments with particles at rest or at low energies 400 MeV/u SIS • EXPERIMENTS WITH HIGHLY CHARGED IONS AND ANTIPROTONS AT EXTREMELY LOW ENERGIES: • g-factor measurements of the bound electron • laser spectroscopy • mass measurements of extreme accuracy • reaction microscope, collisions at very low velocities • surface studies and hollow-atom spectroscopy • x-ray spectroscopy U73+ U91+ U91+ ESR electron coolingand deceleration down to 4 MeV/u

  3. HITRAP facility at ESR g-factortrap SPARC-EBIT Other experimental setups H1-H6 IH-structure Cooler trap Double-drift-buncher RFQ HCI from ESR 4 MeV/u  0.5 MeV/u  6 keV/u

  4. HITRAP: Technical design to experiments matching section and cooler trap Double-drift buncher IH section RFQ section 7m

  5. HITRAP facility at GSI storage ring

  6. HITRAP: Inter-digital H-mode (IH) structure deceleration from 4 MeV/u to 0.5 MeV/u 4 MeV/u 0.5 MeV/u 6 keV/u

  7. Commissioning of RFQ decelerator and of cooler trap in progress HITRAP cooler trap RFQ decelerator vertical beam line Experiments LEBT+Cooler-trap IH-structure+MEBT Double-drift-buncher RFQ

  8. HITRAP Cooler Penning trap ● electron cooling ● resistive cooling to T = 4 K cooled HCI to HITRAP experiments highly charged ions from HITRAP decelerator extraction from cooler trap: fast (ms) or slow (ms...sec) U92+ e- e- 3

  9. HITRAP Cooler Penning trap ● electron cooling ● resistive cooling to T = 4 K cooled HCI to HITRAP experiments highly charged ions from HITRAP decelerator extraction from cooler trap: fast (ms) or slow (ms...sec) U92+ e- e- 3

  10. g-Factor of the bound electron in a hydrogen-like ion (nucleus has no spin, e.g. 12C5+, 16O7+, 28Si13+, 40Ca19+) Larmor precession frequency of the bound electron: Ion cyclotron frequency: B →'experimental g-factor' → comparison with theory external input parameter our measurement

  11. A single highly charged ion stored in a Penning trap

  12. Triple Penning Trap System 7mm • Precision trap (PT) • Very homogeneous magnetic field • Analysis trap (AT) • Magnetic bottle for spin detection ~14 cm • Creation trap (CT) • In-trap ion creation of • highly-charged ions

  13. Triple Penning Trap System • Precision trap (PT) • Very homogeneous magnetic field • Analysis trap (AT) • Magnetic bottle for spin detection • Creation trap (CT) • In-trap ion creation of • highly-charged ions

  14. g-Factor trap in Mainz (GSI/Heidelberg collaboration)

  15. High-resolution cyclotron frequency measurement of a single highly charged silicon ion 28Si13+

  16. HILITE: Interaction of High-Intensity Laser Radiation with Trapped Ions Multiphoton Ionization Studies Helmholtz-Institut Jena Friedrich-Schiller-Universität Jena Cooperation with Sugam Kumar and C.P. Safvan, IUAC Delhi

  17. HILITE: Trap Electrodes virtual trap meets real trap Dec 2013

  18. HILITE: Test of single-pass ion detector Penning trap in a dry superconducting magnet @ PHELIX, FLASH (II), JETI, POLARIS,... 1m

  19. Precision Penning trap at HITRAP 7T superconducting magnet

  20. Test ofreservoirtrap in an open Penningtrapwithhighlychargedargonions ArX+ ArX+ ArX+ Argon Gas Electrons Argon Gas ArX+ ArX+ ArX+ Electrons

  21. Transport into Spectroscopy Trap Ar13+ Ar13+ Ar13+ Ar13+

  22. Preliminary Mass Spectra

  23. Training in specific new areas, or technical expertise • ion trapping techniques • low-temperature electronics • superconducting magnets • superconducting resonance circuits for particle detection • high-sensitivity optical particle detection

  24. SPARC Collaboration at FAIR (Stored Particles Atomic Research Collaboration) PHELIX FACILITIES SIS100 HESR APPA-Cave ESR CRYRINGHITRAP

  25. Acknowledgements VH-NG-037 Helmholtz-Institut Jena Friedrich-Schiller-Universität Jena Thank you for your attention !

More Related