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

HITRAP at the Experimental Storage Ring ESR UNILAC experiments with particles at rest or at low energies cooler Penning trap post- decelerator 400 MeV/u SIS stripper target 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 cooling and deceleration down to 4 MeV/u

HITRAP facility at ESR SPARC-EBIT Linac operation frequency 108.408 MHz IH-deceleration 4 MeV/u  0.5 MeV/u RFQ-deceleration 0.5 MeV/u  6 keV/u Max. A/q 3 operation with antiprotons YES, planned at FLAIR g-factor trap SPARC-EBIT Other experimental setups H1-H6 Double-drift-buncher IH-structure RFQ Cooler trap HCI from ESR 4 MeV/u  0.5 MeV/u  6 keV/u

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

HITRAP facility at GSI storage ring

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

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

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

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

B → 'experimental 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 our measurement external input parameter

A single highly charged ion stored in a Penning trap

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

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

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

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

Multiphoton Ionization Studies 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

HILITE: Trap Electrodes virtual trap meets real trap Dec 2013

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

Precision Penning trap at HITRAP 7T superconducting magnet

Test of reservoir trap in an open Penning trap with highly charged argon ions ArX+ ArX+ ArX+ Electrons Argon Gas Argon Gas ArX+ ArX+ ArX+ Electrons

Transport into Spectroscopy Trap Ar13+ Ar13+ Ar13+ Ar13+

Preliminary Mass Spectra

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

SPARC Collaboration at FAIR (Stored Particles Atomic Research Collaboration) PHELIX FACILITIES SIS100 HESR APPA-Cave ESR CRYRING HITRAP

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