Univ. Tokyo & RIKEN Y. Yamazaki 2008/7/17 EMMI kick-off

 Qaurk gluon  Plasma physics  Neutron matter  Atomic physics  Strong EM fields to ultra cold gases   even extreme case: antiproton

 Qaurk gluon  Plasma physics  Neutron matter  Atomic physics  Strong EM fields to ultra cold gases   even extreme case: antiproton

 Particle (RI, , ,  p ・・・ )  Energy (  Ｋ・・・・・ GeV)  Energy width/resolution (  E,  M/M)  Deposited Energy & Density  Charge State (high-Z QED, high field)  Size  Target (cluster, insulator, biomatrial)

 Particle (RI, , ,  p ・・・ )  Energy (  Ｋ・・・・・ GeV)  Energy width/resolution (  E,  M/M)  Deposited Energy & Density  Charge State (high-Z QED, high field)  Size  Target (cluster, insulator, biomatrial)

 RCE: Resonant Coherent Excitation  RI spectroscopy  Ion-Insulator Interaction  Living Cell Surgery

 RCE: Resonant Coherent Excitation  RI spectroscopy  Ion-Insulator Interaction  Living Cell Surgery

Axial channeling (1D-RCE) hv k =nhk  c/d Tunable & intense X-ray source

Planar channeling (2D-RCE) hv kl =h  c(  kcos  + lsin  )/d  cyclotron, synchrotron  higher energy  heavier faster ions, more “coherent” Easily Tunable & intense X-ray source

Si crystal x-ray detector 2D-position sensitive MCP detector optional detection of outgoing charge state possible in Cave A

 E/E ~ several tens ppm for E ~ keV or higher 1s → 2p transitions 390MeV/u Ar Si(2  2 0) Azuma et al. PRL 83 (1999) 529

Characteristics of RCE: very high efficiency → ideal for low beam intensities: Radioactive Beams very high energy resolution not limited by detectors Takes full advantage of cold ion beams Major part of the SPARC activities at FAIR with heavy, highly charged ions beam energies up to 10GeV/u QED in multi-electron systems Atomic spectroscopy on exotic nuclei 1s 2 2s → 2p transition can be used to determine of nucleus Nuclear RCE (Pivovarov, Geissel, Scheidenberger NIM B 256 (2007) 109)

Si (2  2 0) plane HIMAC FAIR k=1 k=2 RIKEN Resonance condition of 1s-2p transitions

 ~1/  E lab ~ 10MeV for 30GeV/u U (crystal-assisted pair production?) Virtual photon cooling? small # of particles are enough (RI, HFS, )

“Random” (3D-RCE) hv klm =h  c[  kcos  +msin  )cos  + lsin  )/d Two tone Tunable & intense X-ray source

1s 2 1s2p 1s2s (1,-1,2) (0,0,2) eV X-RAY 15.0 eV VUV pump probe Selective population of metastable states Precision lifetime measurements for exotic atomic states (example: Hyperfinequenching of the 1s 2 2s2p 3 P 0 state)

 (fix)  (scan) 11S11S 21P21P 21S21S hchc Probe Coupling T.Azuma et al. to be published

coupling freq.  (fix) probe freq.  (scan) h  0 = 3.27 eV Rabi frequency = 8.2 x10 14 Hz Equiv.P= 2.5x10 16 W/cm 2

Thermal energy RCE A.Hatakeyama et al., PRL95(2006)253003

 RCE: Resonant Coherent Excitation  RI spectroscopy  Ion-Insulator Interaction  Living Cell Surgery

cooling : 10 9 eV to eV in kinetic energy fold reduction of kinetic energy! HFS Spectroscopy of Laser Cooled 7 Be + Prototype SLOWRI M.Wada et al.

A = (4) MHz μ I = (1) Okada et al, submitted to PRL HFS Spectroscopy of Laser Cooled 7 Be + Prototype SLOWRI

HFS Spectroscopy of 11 Be + (T 1/2 =13.8s) Bohr-Weisskopf Effect Preliminary Be7Be9Be10Be11 HFS constant A (MHz) (4) (11) (2) Nuclear Mag. Moment (n.m) (3)-(-)1.6816(8) S-P Opt. Transition (THz) (12) (14) (35) New S-P Opt. Transition new data (δν<<1 Mhz) will come soon

24 RIBF Universal Slow RI-beam Facility

 RCE: Resonant Coherent Excitation  RI spectroscopy  Ion-Insulator Interaction  Living Cell Surgery

S.Ninomiya et al., PRL78(97)4557.

N.Stolterfoht et al., PRL88(2002) Ions are guided along the capillary keeping their charge state!

7keV Ne 7+, 50pA,  =-2deg.

G. Pokhil et al. 100keV p

Time (s)1000 T.Ikeda et al.

Incident Current (pA) Oscillation frequency (Hz) Accumulated charge governs the oscillation

Shishi-Odoshi Process?  Current & friction determine the phenomena

I E E2E2 E1E1 0 A B C D e.g., photoinduced insulator-metal transition K.Miyamoto et al., PRL78(1997)4257

 RCE: Resonant Coherent Excitation  RI spectroscopy  Ion-Insulator Interaction  Living Cell Surgery

Single tapered capillary with a window ☆ Introduce ion beam of nm size in liquid ☆ Pinpoint bombardments ☆ 3D position selection

X PSD profile <1pA 、 24  m 8keV Ar 8+ 15

Some Examples:size & Ion in lq

Iwai et al. 3MeV He ++ 4MeV He ++ d inner ~ 1.5  m d outer ~ 8  m t window ~ 7  m

10  m before irradiation nm range chemical reaction at liquid-surface interface after irradiation Single tapered capillary with a thin window

Y. Iwai et al.

SUMMARY ► A couple of examples which belong to the EMMI category are briefly discussed ► New possibility to use RCE for high resolution spectroscopy including high-Z QED, HFS ► New results on Laser & MW spectroscopy on RI ► Various surprises in ion-insulator interaction ► New possibility for living cell-surgery with tapered glass capillary