1. Introduction D Ackermann · •PA'sfromJYFL installed HTM •seriousattackto the detectors...
Transcript of 1. Introduction D Ackermann · •PA'sfromJYFL installed HTM •seriousattackto the detectors...
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Today's agenda:
10:30 Introduction and report from the last meeting D.A.
11:00 Nuclear Structure with TASCA F.P. Heßberger
11:30 The Production of 188Pb and 245Fm at TASCA(First Results from the last run T005) J. Khuyagbaatar
11:50 Double Sided Detector for TASCA- Proposal for a Detector Design A. Yakushev
12:10 Experience from RITU C. Scholey
12:30 - Discussion --13:00
• completion of the setup• PIN-diodes• X-ray, gamma ...
• electronics - DAQ• digital electronics and pulse shape analysis• conventional electronics:
• "SHIP" –like (from RITU)• Dubna components in a MBS-setup
Agenda
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007GSI Darmstadt@
REC
SEP
SHE
CHEM
TASCATASCATASCATASCAMatthias Schädel, GSI, Target Group Meeting, Mainz, 02 Mar 2005
TASCA TASCA –– Detector SetDetector Set--up Schemeup Scheme
wobbler
differential pumping
target chamber
dipolequadrupoles
focal plane
detector
chambers
target
beam diagnosis boxes
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007GSI Darmstadt@
REC
SEP
SHE
CHEM
TASCATASCATASCATASCAMatthias Schädel, GSI, Target Group Meeting, Mainz, 02 Mar 2005
TASCA TASCA –– Detector SetDetector Set--up Schemeup Scheme
wobbler
differential pumping
target chamber
dipolequadrupoles
focal plane
detector
chambers
target
beam diagnosis boxesTransmissionDetectors
PIN diode
arrays (box)
X-raydetector
X-raydetector
stop
detector
Ge-cloverdetector
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
The STOP Detector
•(80x35)mm2 active area
•16 strips - (5x35)mm2 active area
•300 µm thickness
•resistive layer
•position resolution = 200 µm ⇒⇒⇒⇒ total
spatial resolution ≈≈≈≈ 1 mm2
•energy reslution ∆E = 18-20 keV @ Eαααα > 6 MeV
•32 signals
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
The Veto and TOF Detectors
•3 units
•total efficiency > 99%
•2 C-foils
•(55/74x100)mm2
•entrance foil coated with MgO for more
effecient e—emission
•second foil for homogenious acceleration
field
•magnetic deflection onto a pair of micro
channelplates
•time resolution ≈ 500 ps
•alternative for TASCA: SED (E. Polacco) or PPAC
(L. Corradi, LNL; FMA at ANL)
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
The Ge-Clover detector
•4 crystals (70x140)mm2
•efficiency per crystal
εεεεγγγγ = 23% at 1.3 MeV
•<2 cm behind STOP detector
•Al-window 0.5 mm thickness
•total efficiency from αααα-γγγγ coincidences
εεεεexp = 15% at Eγγγγ = 150 keV
•alternative: SHIP clover
•4 crystals (50x79)mm2
•efficiency per crystal 20% at 1.3 MeV
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
MUST2 - E. Pollacco, CEA Saclay
•Si-stripdetector
•(100x100)mm2 active area
•128x128 strips
•300 µm thickness
•integrated front-end electronics (ASIC)
•for single processing of all 128x128 channels
•including preamp, amplifier, time triger (leading edge)
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
PIN diodes - RITU/GREAT
•GREAT Pin diode array
•(28x28)mm2 active area
•32 elements
•500 µm thickness
•low noise (capacity) →→→→ low energy threshold
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
SAM
RIO
New DAQ SHIP
// // // // // // // //
GTBethernet
SCSI
NIM ADCSilena 742313 bit (8k)
NIM ADC multiplexerAMUX (J. Hoffmann, GSI)
•>> 50 parameters
•max. rate ≈ 50 kHz
•random trigger
•real time clock
•dead time 10 µs
bitpattern
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
AMUX – GTB Interface
SAM3
MASTER
GTB1 GTB2
GTBTER
Terminator
AMUX 1
GTB connectors GTBM GTBS
AMUX 2
GTB connectors GTBM GTBS
AMUX n
GTB connectors GTBM GTBS
GTBAD Cable adapter
GTB Standard
cable
GTB flat
cable
Cluster of slave modules, max. flat cable length is 10m
GTBAD Cable adapter
GTBTER Terminator
AMUX 1
GTB connectors GTBM GTBS
AMUX 2
GTB connectors GTBM GTBS
AMUX n
GTB connectors GTBM GTBS
GTBAD Cable adapter GTB
flat cable
GTBAD Cable adapter
•daisy chain connection to SAM3 (up to 2x15 units) via GTB bus
•event building and data transfer to DAQ-CPU by the readout processor SAM3
•random trigger (first unit with data triggers readout)
•max rate 50 kHz (tested in the lab)
•high resolution real time clock
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
The TASCA Position Check (PC) Detector
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
The TASCA Position Check (PC) Detector
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Summary TASCA runs T001-T005
COMPACT
T005
T004
T003
T002
HTM• comparison with SHIP data
• first transmission estimate
30Si+181Ta →205,206Fr,206Rn
24.-29.04.06T001
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
TASCA - First Test With Reaction Products
TASCA 0,36 mbar He, DQhQv (450/420/430A)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
0
500
1000
1500
2000
2500
3000
3500
4000
Co
un
ts /str
ip 6
00
s
Strip number
alpha(Fr+At)/o36mbar
0,36 mbar He
Σα = 45500
SUM Alpha SUM EVR SUM Beam
45500 65500 175000
April 27, 2006, Afternoon
- The Birth of TASCA
April 27, 2006, Afternoon
- The Birth of TASCA205,206Fr201,202At
206Rn
SHIPdata
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Summary TASCA runs T001-T005
COMPACT
COMPACT
T005
T004
T003
SIM• magnet field optimisation54Si+natGd
→208-211Ra
16./17.05.06T002
HTM• comparison with SHIP data
• first transmission estimate
30Si+181Ta →205,206Fr,206Rn
24.-29.04.06T001
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Summary TASCA runs T001-T005
COMPACT
COMPACT
T005
T004
T003
SIM• magnet field optimisation54Si+natGd
→208-211Ra
16./17.05.06T002
HTM• comparison with SHIP data
• first transmission estimate
30Si+181Ta →205,206Fr,206Rn
24.-29.04.06T001
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Summary TASCA runs T001-T005
COMPACT
COMPACT
T005
T004
T003
SIM• magnet field optimisation
• pressure variation
54Si+natGd
→208-211Ra
16./17.05.06T002
HTM• comparison with SHIP data
• first transmission estimate
30Si+181Ta →205,206Fr,206Rn
24.-29.04.06T001
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Summary TASCA runs T001-T005
COMPACT
COMPACT
T005
T004
• various target and RTC tests
• no focal plane detector tests(massive background problems)
40Ar+...30.10.
-02.11.06T003
SIM• magnet field optimisation
• pressure variation
54Si+natGd
→208-211Ra
16./17.05.06T002
HTM• comparison with SHIP data
• first transmission estimate
30Si+181Ta →205,206Fr,206Rn
24.-29.04.06T001
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Summary TASCA runs T001-T005
"SHIP"-like
COMPACT
COMPACT
COMPACT
T005
HTM• PA's from JYFL installed
• serious attack to the detectorshealth
48Ca+144Sm
→188Pb, ...
24./25.01.07T004
• various target and RTC tests
• no focal plane detector tests(massive background problems)
40Ar+...30.10.
-02.11.06T003
SIM• magnet field optimisation
• pressure variation
54Si+natGd
→208-211Ra
16./17.05.06T002
HTM• comparison with SHIP data
• first transmission estimate
30Si+181Ta →205,206Fr,206Rn
24.-29.04.06T001
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Summary TASCA runs T001-T005
"SHIP"-like
COMPACT
COMPACT
COMPACT
T005
HTM• PA's from JYFL installed
• serious attack to the detectorshealth
48Ca+144Sm
→188Pb, ...
24./25.01.07T004
• various target and RTC tests
• no focal plane detector tests(massive background problems)
40Ar+...30.10.
-02.11.06T003
SIM• magnet field optimisation
• pressure variation
54Si+natGd
→208-211Ra
16./17.05.06T002
HTM• comparison with SHIP data
• first transmission estimate
30Si+181Ta →205,206Fr,206Rn
24.-29.04.06T001
88500 89000 89500 90000 90500 91000 91500 92000-100
0
100
200
300
400
500
600
700
C
ou
nts
/ 0
.1s
Time / s 1
8:4
3:5
9
18
:45:3
2
18
:40
:24
18
:25:4
4
Sta
rt: 1
8:2
4:3
0
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Summary TASCA runs T001-T005
"SHIP"-like
COMPACT
COMPACT
COMPACT
T005
HTM• PA's from JYFL installed
• serious attack to the detectorshealth
48Ca+144Sm
→188Pb, ...
24./25.01.07T004
• various target and RTC tests
• no focal plane detector tests(massive background problems)
40Ar+...30.10.
-02.11.06T003
SIM• magnet field optimisation
• pressure variation
54Si+natGd
→208-211Ra
16./17.05.06T002
HTM• comparison with SHIP data
• first transmission estimate
30Si+181Ta →205,206Fr,206Rn
24.-29.04.06T001
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Summary TASCA runs T001-T005
"SHIP"-like
COMPACT
COMPACT
COMPACT
T005
HTM• PA's from JYFL installed
• serious attack to the detectorshealth
48Ca+144Sm
→188Pb, ...
24./25.01.07T004
• various target and RTC tests
• no focal plane detector tests(massive background problems)
40Ar+...30.10.
-02.11.06T003
SIM• magnet field optimisation
• pressure variation
54Si+natGd
→208-211Ra
16./17.05.06T002
HTM• comparison with SHIP data
• first transmission estimate
30Si+181Ta →205,206Fr,206Rn
24.-29.04.06T001
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Summary TASCA runs T001-T005
"SHIP"-like
COMPACT
COMPACT
COMPACT
T005
HTM• PA's from JYFL installed
• serious attack to the detectorshealth
48Ca+144Sm
→188Pb, ...
24./25.01.07T004
• various target and RTC tests
• no focal plane detector tests(massive background problems)
40Ar+...30.10.
-02.11.06T003
SIM• magnet field optimisation
• pressure variation
54Si+natGd
→208-211Ra
16./17.05.06T002
HTM• comparison with SHIP data
• first transmission estimate
30Si+181Ta →205,206Fr,206Rn
24.-29.04.06T001 TASCA 4-line αααα-source
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Summary TASCA runs T001-T005
"SHIP"-like
COMPACT
COMPACT
COMPACT
T005
HTM• PA's from JYFL installed
• serious attack to the detectorshealth
48Ca+144Sm
→188Pb, ...
24./25.01.07T004
• various target and RTC tests
• no focal plane detector tests(massive background problems)
40Ar+...30.10.
-02.11.06T003
SIM• magnet field optimisation
• pressure variation
54Si+natGd
→208-211Ra
16./17.05.06T002
HTM• comparison with SHIP data
• first transmission estimate
30Si+181Ta →205,206Fr,206Rn
24.-29.04.06T001
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Summary TASCA runs T001-T005
"SHIP"-like
COMPACT
"SHIP"-like
COMPACT
COMPACT
COMPACT
HTM
SIM
• detector cooling40Ar+natGd
→188Pb, ...40Ar+208Pb
→245Fm
20.-22.02.07T005
HTM• PA's from JYFL installed
• serious attack to the detectorshealth
48Ca+144Sm
→188Pb, ...
24./25.01.07T004
• various target and RTC tests
• no focal plane detector tests(massive background problems)
40Ar+...30.10.
-02.11.06T003
SIM• magnet field optimisation
• pressure variation
54Si+natGd
→208-211Ra
16./17.05.06T002
HTM• comparison with SHIP data
• first transmission estimate
30Si+181Ta →205,206Fr,206Rn
24.-29.04.06T001
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Summary TASCA runs T001-T005
"SHIP"-like
COMPACT
"SHIP"-like
COMPACT
COMPACT
COMPACT
HTM
SIM
• detector cooling40Ar+natGd
→188Pb, ...40Ar+208Pb
→245Fm
20.-22.02.07T005
HTM• PA's from JYFL installed
• serious attack to the detectorshealth
48Ca+144Sm
→188Pb, ...
24./25.01.07T004
• various target and RTC tests
• no focal plane detector tests(massive background problems)
40Ar+...30.10.
-02.11.06T003
SIM• magnet field optimisation
• pressure variation
54Si+natGd
→208-211Ra
16./17.05.06T002
HTM• comparison with SHIP data
• first transmission estimate
30Si+181Ta →205,206Fr,206Rn
24.-29.04.06T001detector cooled to -25°C
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
48Ca + 238U →→→→ 286112*- SHE Synthesis with Actinide Targets
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
48Ca + 238U →→→→ 286112* at SHIP- Decay Chains 2005 and 2006
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
48Ca + 238U →→→→ 286112*- Summary
48Ca 238U 293112
n
n
n
3(2) events
1 event
260 MeV TKET½ = 1.3 hbsf = 1.0
279DS
275Hs
267Rf
9.54±0.06 MeVT½ = 3.8 sbsf #### 0.10
9.70 / 228 MeVT½ = 0.20 s bαααα
= 0.10
9.29±0.08 MeVT½ = 0.19 sbαααα
= 1.0
8.54 / 248 MeV T½ = 1.9 minbαααα
= 0.70
283112 CN
271Sg
σσσσ = 2.5 (+1.8,-1.1) pb
FLNR GSI
279DS
9.520±±±±0.015 /232±±±±15 MeV
T½ = 6.9 s
bsf=0.5
210 MeV
T½ = 0.18 s
CN
++++6.9–2.3
++++30–15
++++0.32–0.07
283112
σσσσ = 1.0 (+1.0,–0.6) pb
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Synthesis and Identification of SHE at SHIP- 48Ca + 238U →→→→ 286112*
48Ca 238U 293112
n
n
n
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Synthesis and Identification of SHE at SHIP- 48Ca + 238U →→→→ 286112*
48Ca 238U 293112
n
n
n
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
TASCA - Financial situation; available investment money 2007: 40 T€
(all "2008" items from below were originally planned for 2007 !!!)
> 68.548.3SUM:
5.8Cables, Controls
2.0Cooling electronic-room
C. Others
> 4.0Wobbler w/ controls
5.0Glovebox
6.9U-Targetchamber (large wheels)
7.6Collimator slits in TASCA
B. Mechanics
2.0"Rutherford" – Det. + Electronic
5.9QFCs (from 2006)
9.6CAEN power supply (from 2006)
4.0CAMAC crate (spare)
18.0NIM Bins 5x (maybe @ GSI)
2.0Rack 2x (maybe @ GSI)
20.0ADCs 10x
10.0Box-Detectors 20x
10.53.5FPD 4x1 chip
A. Electronic + Detector + DAQ
2008/ k€
2007/ k€
Component
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
• Helmholtz Young Scientists - € 100.000,-
Fund Raising
Antrag auf einmalige Sonderförderung des wissenschaftlichen Nachwuchses in der Helmholtzgemeinschaft durch den Impuls- und Vernetzungsfond in 2007
D. AckermannKP II - SHIP
Ch.E. DüllmannKP II – Kernchemie
...Beantragt werden Investitionsmittel für den Detektoraufbau in der Fokalebene des gasgefüllten Separators TASCA (TransActinide Separator and ChemistryApparatus), der zur Untersuchung der chemischen Eigenschaften und der Kernstruktur von Aktinoiden und Transaktinoiden sowie zur Synthese superschwerer Kerne bei GSI aufgebaut wurde und derzeit in Betrieb genommen wird.
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Fund Raising-"Virtual Institutes" by the HGF
Vernetzung mit Hochschulen – Virtuelle Institute
Ausschreibungfür 10 Virtuelle Institute, gefördert aus dem Impuls- und Vernetzungsfonds des Präsidentenvom 7. April 2006
Bewerbungsfrist: 7. Juli 2006 →→→→ deadline July 7th 2006
Dr. D. AckermannAbteilung KP2-SHIPGSI Darmstadt
Prof. Dr. J.V. KratzInstitut für KernchemieJohannes Gutenberg-Universität
Mainz
Prof. Dr. N.N. Institut für KernchemieJohannes Gutenberg-Universität
Mainz
Prof. Dr. A. TürlerInstitut für RadiochemieTechnische Universität München
Dr. M. SchädelAbteilung KP2-KernchemieGSI Darmstadt
Prof. Dr. M. Leino University of Jyväskylä
Finnland
Prof. Dr. H.W. GäggelerUniversität Bern
Bern
Schweiz
Dr. R. EichlerPaul Scherrer Institut -PSI
Villigen
Schweiz
Partner Institutions andSpokespersons
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
• electronics development:→→→→ parallel solutions
1. maintain the "SHIP"-like analog electronics2. development of digital electronics (GSI electronics lab - J.
Hoffmann)3. MBS + analog electronics from FLNR Dubna (partly or complete)
• choice of a focal plane detector for TASCA: →→→→ 60××××60 DSSD detector with 48××××48 strips for test from Russia
(already arrived)
→→→→ maintain the "SHIP"-type 16-strip as PC (position check) detector
• ToF/transmission detectors: →→→→ Fritz Heßberger checks for which reaction they are relevant
Conclusions from last meeting - February 9th 2007
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
• completion of the setup • PIN-diodes• X-ray, gamma ...
• electronics - DAQ • digital electronics and pulse shape analysis• conventional electronics
• "SHIP" –like (from RITU)
• Dubna components in a MBS-setup
• next measurements
• financial situation
• ...
Subjects for the discussion
Dieter-Ackermann_GSI_–_TASCA_Detector_Working_Group_-_March_19th_2007
Today's agenda:
10:30 Introduction and report from the last meeting D.A.
11:00 Nuclear Structure with TASCA F.P. Heßberger
11:30 The Production of 188Pb and 245Fm at TASCA(First Results from the last run T005) J. Khuyagbaatar
11:50 Double Sided Detector for TASCA- Proposal for a Detector Design A. Yakushev
12:10 Experience from RITU C. Scholey
12:30 - Discussion --13:00
• completion of the setup• PIN-diodes• X-ray, gamma ...
• electronics - DAQ• digital electronics and pulse shape analysis• conventional electronics:
• "SHIP" –like (from RITU)• Dubna components in a MBS-setup
Agenda