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Institut of Nuclear Physics (INS) Institut des Sciences Nucléaires (ISN) Cosmology and Subatomic Physic Laboratory Laboratoire de Physique Subatomique et de Cosmologie (LPSC) CNRS-IN2P3-UJF, France
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Institut of Nuclear Physics (INS) Institut des Sciences Nucléaires (ISN) Cosmology and Subatomic Physic Laboratory Laboratoire de Physique Subatomique et de Cosmologie (LPSC) CNRS-IN2P3-UJF, France 53, avenue des Martyrs, 38026 GRENOBLE CEDEX, Téléphone 04 76 28 40, Télécopie 04 76 28 40 04
Laboratoire de Physique Subatomique et de Cosmologie CNRS-IN2P3-UJF, France New name, … new lab. …
Le developpement et les applications des sources d’ions du LPSC - Grenoble P. Sortais, J.-L. Bouly, J.-C. Curdy, R.Geller, T. Lamy, P. Sole, T. Thuillier, J.-L. Vieux-Rochaz, D. Voulot, Laboratoire de Physique Subatomique et de Cosmologie CNRS-IN2P3-UJF, France 1 – PHOENIX « booster » 2 - MicroPHOENIX 3 – PHOENIX 28 GHz et/ou 18 GHz / 60 KV 4 – HTS Advanced PHOENIX : A-PHOENIX 5 – Pulsed PHOENIX and the Beta beam project
Charge state breeding test bench Delta I Ar8+ ~ 4 µAe 120° « voie C » n+ PHOENIX « booster » 14 GHz (18 GHz) Adaptation Delta I Ar1+ ~ 5 µAe Diagnostic MicroPHOENIX 10 GHz (14 GHz) 90° 1+
Charge state breeding test bench O4+ Ar 8+ on 8+ 7+ 9+ O3+ 6+ O5+ Ar 8+ off O2+ O1+ O6+ 8+ 7+ 9+ 6+ Glabal spectrum of PHOENIX Booster when the source is optimized for charge breeding : very low total current ~ 150 µA
H+/D+ production with MicroPHOENIX 10 GHz Hexapolar magnet Monogap extraction Water cooling UHF injection Gas injection Plasma electrode Hybrid magnet for Hexapolar and Axial field Magnet for axial field
High current H+ production with MicroPHOENIX 10 GHz 5.4 mAe F 4 mm Dipole Einzel Source 8.1 mAe F 5 mm Monogap extractor
O+ 2+ O2+ 3+ D+ / O3+ production with MicroPHOENIX 10 GHz 5.4 mAe D+ 270 W eT ~ 94 % 39 KV / 8.0 mA E2 : 5 KV E3 : 21 KV F 5 mm 5400 µA 15 µA 170 µA 120 µA D+6.4p.mm.mrad nominal beam SPIRAL II O+ : 8.1 p.mm.mrad O3+ : 7.0 p.mm.mrad H+ : 6.8 p.mm.mrad O3+ 0.36 mAe (A/Q : 5.3) at 38 KV 7.3 p.mm.mrad Iht = 5.5 mA = 3.9 10-3 en = 0.0285 p.mm.mrad
PHOENIX 28 GHz : high current extraction (Lead) 10 emA total current 300 µs pulse
The PHOENIX 28 GHz experiment at Grenoble LPSC/SSI 1 – Proof of the high frequency / high density effect 2 – Emittance and efficiency to be measured 3 - Afterglow shorter (0.3-1 ms) PHOENIX 28 GHz 28 GHz / 10 KW The new (and stable) 28 GHz /10 KW ISN gyrotron from GYCOM Inc. (Nizhny Novgorod , Russia)
A-PHOENIX 28 GHz : 3 T HTS system Axial HTS system
PKDELIS 18-28 GHz / Pantechnik - NSC New Delhi HTS coil cryostat Up to 1.8 T of axial field for 20 KVA total measured Iron yoke Pictures from : Space Cryomagnetics Ltd. Company Building E1, Culham Science Centre, Culham, Abingdon, Oxfordshire OX14 3DB England.
The Beta-beam at CERN : 6He and 18Ne stored beams ~ 1013 ions/s CW ~ 1012 ions/bunch ~ 10 mAe peak ~ 50 µs ~ 10 Hz High intensity High effiency New RFQ LINAC 3 PSB
PHOENIX 28 GHz ionic pumping during preglow effect ~ 10 mA / 1 ms some 1013 ions Iht (mA) Puhf (KW) 10 ms / 10 Hz 10-6 mbar p (mbar) t (ms) Some 10-6 mbar / 2 liters plasma chamber / some 1013 atoms
PHOENIX 28 GHz preglow effect u.a. Low pressure Discharge i.e. low density without MCI Pre glow with MCI H2+ Ar4+ H+ Ar9+ Ar8+ Ar2+
60 GHz « ECR Duoplasmatron » for gaseous RIB Eurisol / Isolde / LPSC collaboration 2.0 – 3.0 T pulsed coils or SC coils Very high density magnetized plasma ne ~ 1014 cm-3 Small plasma chamber F ~ 20 mm / L ~ 5 cm Target Arbitrary distance if gas Rapid pulsed valve ? • 1-3 mm 100 KV extraction UHF window or « glass » chamber (?) 20 – 100 µs 20 – 200 mA 1012 per bunch with high efficiency 60-90 GHz / 10-100 KW 10 –200 µs / = 6-3 mm optical axial coupling optical radial (or axial) coupling (if gas only)
3T / 4K SuperConducting trap LPSC +Institut of Applied Physics / Nihzny Novgorod (Russia) Ion extraction UHF optical axial coupling Radial access
Le developpement et les applications des sources d’ions du LPSC - Grenoble P. Sortais, J.-L. Bouly, J.-C. Curdy, R.Geller, T. Lamy, P. Sole, T. Thuillier, J.-L. Vieux-Rochaz, D. Voulot, Laboratoire de Physique Subatomique et de Cosmologie CNRS-IN2P3-UJF, France 1 – Achévement des tests 28 GHz CERN/GSI 2 – Qualification d’un faisceau D+ 40 KV 3 – Qualification d’un faisceau Q/A 1/3 60 KV SPIRAL II sur PHOENIX 28 et/ou 18 GHz 4 – Faisceaux metalliques « haute intensités » CW 5 – RIB « Beta beam »