Mechanics Lund • Electronics...
Transcript of Mechanics Lund • Electronics...
LLundund
YYorkork
CCologneologne
CaCalorimeterlorimeter
• Mechanics• Electronics• ∆E-E-Detectors
RIB vom FRS
Sekundary
targetDiamond or
Plastic
Time-of-Flight (∆E, x, y)
CsIDSSD DSSD
(E)(x, y)
Reminder: Detection principle
NUSTAR weekMarch. 1st 2009, GSI
University of CologneAndreas Wendt
LYCCA-0 ∆E-E-hardware:12 DSSDs
12x9 CsI (long/short)
LYCCA chamber:• up to 72 KEL-Feethroughs
• 32 SHV+Lemo-FT
• awaiting installation to S4
(front)
(back)
University of CologneAndreas Wendt
Overview: LYCCA-0 mechanics
NUSTAR weekMarch. 1st 2009, GSI
(Chamber @ X7) (Vacuum tests @ cologne, 5·10-5mbar)
University of CologneAndreas Wendt
Overview: LYCCA-0 mechanics
NUSTAR weekMarch. 1st 2009, GSI
LYCCA skeleton:ready: mounting this week
Kel-Feedthrough
30 pcs. tested
200 MeV:
• 18 available
4 GeV:
• prototype tested
• 22 available
LYCCA-0:
DSSD 384ch + CsI 108ch
→ 12 + 4 PreAmps
University of CologneAndreas Wendt
16ch 9ch
9ch 9ch 9ch
9ch 9ch 9ch
9ch
9ch
9ch
9ch9ch
16ch
16ch16ch
16ch
16ch
16ch
16ch
64ch
64ch
64ch
64ch
Overview: Electronics
9ch
9ch
64ch+9ch
9ch
LYCCA for S272:
DSSD 64ch + CsI 36ch
→ 2 + 2 PreAmps
(x2 / x4 join-board)
NUSTAR weekMarch. 1st 2009, GSI
32ch - CSP
∆E-detector status:
• 9 DSSDs ready!
2 @ GSI for S272
7 @ Cologne
• 9 @ Lund, awaiting bonding
[2 ∆E-detectors tested in-beam]
University of CologneAndreas Wendt
- 32 x 32 strips
- Active area 58 x 58 mm²
- Interstrip distance : 75 µm
- thickness: 300 µm
12 ∆E-detector needed for LYCCA-0
Status: Silicon detectors
Ordering status:
• 18 DSSDs delivered
• all T-boards delivered
• connectors on-hand
NUSTAR weekMarch. 1st 2009, GSI
1st layout:
• tested in beam
• 9 coax. Cables per E-Block
2nd layout:
• board readout via 22ch Flat
• rejected due to non-coax
3rd layout:
• readout via board + MMCX
• tested off-beam, approved
• all PCBs for 4 modules ready
University of CologneAndreas Wendt
CsI scintillators: readout
NUSTAR weekMarch. 1st 2009, GSI
„short“ crystals (13+7mm)
• 2 E-Blocks assembled, tested
• crystals for another 4 blocks available
• mechanics for 12 E-Blocks available
„long“ crystals (33+7mm)
• crystals for 13 E-Blocks on hand
• 4 E-Blocks used for S272 ready
40
.0
short
long
University of CologneAndreas Wendt
CsI scintillators: production
NUSTAR weekMarch. 1st 2009, GSI
Collaboration
P. Reiter, A. Wendt, C. Goergen,
G. Pascovici, J. Taprogge, S. Thiel
University of Cologne
D. Rudolph, P. Golubev, R. Hoischen
Lund University
M. A. Bentley, M. Taylor, S. Fox
University of York
J. Gerl, GSI
PreSpec Collaboration
NUSTAR Simulation group
2009 May 10 Jul. 10
University of CologneAndreas Wendt
Oct. 10
Timeline
Mar. 10
LYCCA-0
Comissioning
@ FRS
Pre
Sp
ec
I @
FR
S
Test
@ S272?
NUSTAR weekMarch. 1st 2009, GSI
FWHM: 41 keV @ 5484 keV
~ 0,75 % (241Am) 6 cm
University of CologneAndreas Wendt
Acceptance tests: DSSD
Test chamber
NUSTAR weekMarch. 1st 2009, GSI
• 5.15 - 5.8 MeV α-source
• ~3 MeV loss in wrapping
• 200 MeV dynamic range (Si) PreAmp
University of CologneAndreas Wendt
Functionality tests: CsI
NUSTAR weekMarch. 1st 2009, GSI