beam strategy sap-eec-july2012 strategy...july 12, 2012 sap-eec - beam development 5 0 500 1000 1500...
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Canada’s National Laboratory for Particle and Nuclear PhysicsLaboratoire national canadien pour la recherche en physique nucléaire
et en physique des particules
Beam Development Strategy
• Beam Development Activities
• High-mass accelerated beams
July 09, 2012
Owned and operated as a joint venture by a consortium of Canadian universities via a contribution through the National Research Council Canada
Propriété d’un consortium d’universités canadiennes, géré en co-entreprise à partir d’une contribution administrée par le Conseil national de recherches Canada
• High-mass accelerated beams
• Backlog and current proposals
Reiner Kruecken | Science Division Head | TRIUMF
Professor of Physics | University of British Columbia
Beam Development Activities
July 12, 2012 SAP-EEC - Beam Development 2
Sustain reliable operation =>- Complete conditioning station- TM refurbishing- Yield station upgrade
Expand program of actinide targets =>- Completion of North hot cell
ISAC Beam Development Program Goals
FOCUSFOCUS
FOCUSFOCUS
SAP-EEC - Beam Development 3
Develop new RIBs for science =>- High Mass beam delivery- New laser beams, targets, ion source- Implantation Station
Deliver more RIB hrs for science =>- Quick services disconnect prototype
July 12, 2012
FOCUSFOCUS
1000
1200
1400
1600
1800
Ho
urs
ISAC Downtime improves in 2011
ISAC Downtime: 2005 – 2011
July 12, 2012 4
0
200
400
600
800
2005 2006 2007 2008 2009 2010 2011
Ho
urs
Year
Target/ion source downtime ISAC facility downtime
SAP-EEC - Beam Development
2012 ISAC Performance to date:RIB Hours – Schedules 121 & 122
2000
2500
3000
Scheduled
Delivered (YTD)
July 12, 2012 SAP-EEC - Beam Development 5
0
500
1000
1500
Apr 15 May 5 May 25 Jun 14 Jul 4 Jul 24 Aug 13 Sep 2 Sep 22
Delivered (YTD)
75/80% reliability
ISAC Beam Development Plan
July 12, 2012 SAP-EEC - Beam Development 6
See http://www.triumf.ca/experimental-program/resources
Target Sequence 2012:High Impact Experiments and Beam Development
Tgt IonSource
Main Purpose of target Development Isotopes
0 SiC FEBIAD Release test w/ target from 2011 17,18F
1 Nb SIS/RILIS Develop CSB techniques with 76,77Rb, b-NMR 78Y, 60Mn, Zn, 8Li, 76,77Rb CSB
2 SiC RILIS DRAGON, TUDA exp. w/ 26mAl,26gAl 26mAl,26gAl
3 Ta SIS/RILIS b-NMR, 11Be for ab-inito tests
4 UO FEBIAD Development target w/ TITAN, 8pi standby 19,20,22C (CO), 26-30Ne, 46,47,48Ar
July 12, 2012 SAP-EEC - Beam Development 7
4 UO2 FEBIAD Development target w/ TITAN, 8pi standbyC for ab-inito, Ne, Ar for shell evolution
19,20,22C (CO), 26-30Ne, 46,47,48ArKr, Xe, Rn
5 UCx SIS/RILIS Shell evolution (Al,Mg K), Fr program 130-137Sn
6 NiO FEBIAD Development target for 10C (CKM), 11C (Astro) 10,11C
7 Nb SIS/RILIS b-NMR, accelerated 76Rb from CSB to TIGRESS 76,77Rb CSB
8 UCx FEBIAD New ion-source for UCx: n-rich O 20,22O, 124,128I (Au,Po post -irradiation)
9 TiC SIS/RILIS 37K for improved TRINAT exp., beta-NMR K, 8Li
Progress on UC2 targets in 2011
• Safety upgrades (target hall filtration system and various safety systems)
• CNSC license amendment (increasing max. p+ current from 2 µA / 1000µAh to 10 µA / 5000 µAh)
• 2 UC2 target runs at 2 µA (August 2011) and 10 µA (December 2011)
Element Ionization Element IonizationExtracted RIB:
July 12, 2012 8
Element Ionization
method
Element Ionization
method
Ac Surface,
laser
Ca Surface
Ra Surface K Surface
At Laser Mg Laser
Fr Surface Na Surface
Cs Surface
In Surface
Rb Surface
Extracted RIB:
SAP-EEC - Beam Development
Online yieldsdatabase updated
Neutron-rich Mg from UC2 target #3
46 403.06 cm-1
Mg IP 61671.02 cm-1
80693.01 cm-1
291.6 nm
Yield per mA/s
July 12, 2012 9
46 403.06 cm-1
0 cm-1 2p63s2 1S0
285.3 nm
880.9 nm
Resonant laser ionization provides a verypure beam, with a total ion yield ratio forlaser off/laser on of 1.4·10-4 at mass 33.
SAP-EEC - Beam Development
Sp=0
82
126
82
10 mA 500MeV protons on 16 mg/cm2 UCx
102Sr(5 new levels)
205Fr first laser fluorescence data ever!! Important for Fr PNC studies
World record Mg yields
V. Simon, PRC
A. Voss
Sn=0
2 8
2028
50
50
28
82
20
N
Z
V. Simon, J. Dilling, H. Schatz
July 09, 2012 TUG AGM- Science Division 10
World record Mg yields
Z. Wang
P. Kunz
Post-irradiation RIB
223Ra 108/s224Ra 107/s225Ac 107/s
Yields approx.2 weeks after end of run
July 12, 2012 11
223Ra decay (α)
SAP-EEC - Beam Development
CollectionStation
TRILIS - lasers to all target stations
full scheduling flexibility & availability: lasers @ ITW & ITE
ITW laser transport
new ITE laser transport
Jens Lassen | TRIUMF Resonant Ionization Laser Ion Source
July 12, 2012 SAP-EEC - Beam Development 12
yield database:http://www.triumf.info/facility/research_fac/yield.php
(2010) full complement of TiSa lasersLIS @ ITW & ITE -> full scheduling flexibility
(2011) full off-line development capabilities1st schedule with 50%+ TRILIS shiftslaser operation with GHz/wk stability
status 06/2011 TRILIS
(2012) Seven new TRILIS beams:
off-line development Sc, Mn, Ge, Y, Sb, etc.
laser spectroscopy At (S1237)
on-line development & deliverySc, Mn, Cu, Zn, Ge, Ra, Ac
continued efficiency improvements(schemes into auto-ionizing states)
status 07/2012
July 12, 2012 SAP-EEC - Beam Development 13
(2012-13) fast kicker (beam gating),complement laser transport optics
(2013-14) RFQ LIS on-line (isobar free beams),laser trigger
_target
500 MeV p+
Pulse structureof RILIS ions
towards isobar-supression: beam gating & RFQ-LIS
laser trigger(2013-16) 15kHz rep. rate laser operation(2014-17) multiple beams & ARIEL lasers,
Doppler free spectroscopy control system integration
T RILIS off-line developments:(2012–2017) 2 new elements/y (Y, Cd, Sb, Lanthanides, etc.)
RFQ LIS optimization & reliabilitylaser source reliability improvements
laser developments for select elements (RILIS schemes)
500 MeV p+
continuous 25 mm
RFQ-LIScold RF-ion guide replaces hot transfer tube
-> eliminates residual surface ionization
July 12, 2012 SAP-EEC - Beam Development 14
Accelerate High Mass beams (A>29)
July 12, 2012 SAP-EEC - Beam Development 15
• CSB upgrade
• MPET power supply upgrade A/q=7
• Automatic tune scaling implemented (A/Qchanges possible within ~15 minutes)
• Implement diagnostics detectors
High Mass Developements
• Implement diagnostics detectors
– dE/E Silicon telescope (used in May 2012 run)
– Bragg detector (Commissioning in July/August)
– beta-gamma-decay station at HEBT
July 12, 2012 SAP-EEC - Beam Development 16
• Initial improvements:
– Aluminum plasma chamber and injection electrode
– First attempt to remove stainless steel from source
• Shutdown 2012:
– Pure aluminum
CSB upgrades
– Pure aluminumcoating of interior ofplasma chamber andmagnet steel
– Einzel lens removed –not needed for beamoptics
July 12, 2012 SAP-EEC - Beam Development 17
CSB aluminum coating of plasmachamber
1E-8
1E-7
1E-6
1E-5cu
rren
t[A
]with Al coatingno coating
18
4 5 6 7
1E-12
1E-11
1E-10
1E-9
1E-8
cu
rren
t[A
]
A/q
July 12, 2012 SAP-EEC - Beam Development
MEBT dipole power supplies upgrade– Increased dipole fields– Increased A/q limit– Improved reliability
• Supplies installed and commissioned• A/q = 7 transport has been demonstrated
High Mass Delivery: Infrastructure & Diagnostics
New Diagnostics for particle ID• Si E/ΔE telescope
– Installed in SEBT3 beamline in ISAC-II exp. hall for first use– Compact enough to be located elsewhere
• Bragg detector– Fabricated in Munich for use at ISAC-II– On site; undergoing bench testing– To be tested in-beam at HEBT GPS before
installation in SEBT3July 12, 2012 SAP-EEC - Beam Development 19
Bragg detector
HMTF Additional Diagnostics
`PSID1
2
Si Telescope
RIBRIB
20
`
• Green dots: existing diagnostics – twoRutherford scattering detectors and a Sitelescope
• Red dots: desired locations of activitydetectors – highest priority is at Prague endstation – others suggested for MEBT (tuneRFQ phase), DSB (check RIB before SC-linac) and SEBT3 (check RIB at end station)
•Blue dot is for attenuator after CSBattenuator
`PSID5
RIB
RIB
July 12, 2012 SAP-EEC - Beam Development
Backlog and current proposals
July 12, 2012 SAP-EEC - Beam Development 21
ISAC plans
Operational plan:8 months operation per year(240 days, 8 targets, 5 days ovhd/tgt)
176 days RIB delivery
35 days Material Science (20%)
15-20% beam development
~ 105-110 days RIBs for SAP
July 1, 2012:535 RIB shiftswith H priority(2.5 yrs)
July 12, 2012 SAP-EEC - Beam Development 22
Facility plan:• Cont. target module refurbishment (plan working)
• Focus on high-mass beams for ISAC-II• charge breeder improvements• accelerator based purification schemes• improved beam diagnostics
• Kicker (2012) and RFQ (2013) for TRILIS suppress surface ionize contamination
ISAC Downtime
facility
targets
Proposals fur July 2012 SAP-EEC
ISAC-RIB ISAC-SIB Muons PIF
Addenda/StatusReports
97 27 0 15
New Proposals 117 63 36 0
Sum 214 90 36 15
July 12, 2012 SAP-EEC - Beam Development 23
Sum 214 90 36 15
ISAC-RIB shifts quota: 106 shifts
Oversubscription factor 2.02
Canada’s National Laboratory for Particle and Nuclear PhysicsLaboratoire national canadien pour la recherche en physique nucléaire
et en physique des particules
Thank you!
TRIUMF:Alberta | British Columbia | Calgary |Carleton | Guelph | Manitoba | McMaster |Montréal | Northern British Columbia |Queen’s | Regina | Saint Mary’s | SimonFraser | Toronto | Victoria | Winnipeg | York
Owned and operated as a joint venture by a consortium of Canadian universities via a contribution through the National Research Council Canada
Propriété d’un consortium d’universités canadiennes, géré en co-entreprise à partir d’une contribution administrée par le Conseil national de recherches Canada
Merci!