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


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


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)


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


MUST2 - E. Pollacco, CEA Saclay

•Si-stripdetector


•128x128 strips


•integrated front-end electronics (ASIC)

•for single processing of all 128x128 channels

•including preamp, amplifier, time triger (leading edge)


PIN diodes - RITU/GREAT

•GREAT Pin diode array


•32 elements


•low noise (capacity) →→→→ low energy threshold


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


AMUX – GTB Interface

SAM3

MASTER

GTB1 GTB2

GTBTER

Terminator

AMUX 1

GTB connectors GTBM GTBS

AMUX 2


AMUX n


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


AMUX 2


AMUX n


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


The TASCA Position Check (PC) Detector


The TASCA Position Check (PC) Detector


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


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



COMPACT

COMPACT

T005

T004

T003

SIM• magnet field optimisation54Si+natGd

→208-211Ra

16./17.05.06T002



30Si+181Ta →205,206Fr,206Rn

24.-29.04.06T001



COMPACT

COMPACT

T005

T004

T003

SIM• magnet field optimisation54Si+natGd

→208-211Ra

16./17.05.06T002



30Si+181Ta →205,206Fr,206Rn

24.-29.04.06T001



COMPACT

COMPACT

T005

T004

T003

SIM• magnet field optimisation

• pressure variation

54Si+natGd

→208-211Ra

16./17.05.06T002



30Si+181Ta →205,206Fr,206Rn

24.-29.04.06T001



COMPACT

COMPACT

T005

T004

• various target and RTC tests

• no focal plane detector tests(massive background problems)

40Ar+...30.10.

-02.11.06T003



54Si+natGd

→208-211Ra

16./17.05.06T002



30Si+181Ta →205,206Fr,206Rn

24.-29.04.06T001



"SHIP"-like

COMPACT

COMPACT

COMPACT

T005

HTM• PA's from JYFL installed

• serious attack to the detectorshealth

48Ca+144Sm

→188Pb, ...

24./25.01.07T004



40Ar+...30.10.

-02.11.06T003



54Si+natGd

→208-211Ra

16./17.05.06T002



30Si+181Ta →205,206Fr,206Rn

24.-29.04.06T001



"SHIP"-like

COMPACT

COMPACT

COMPACT

T005



48Ca+144Sm

→188Pb, ...

24./25.01.07T004



40Ar+...30.10.

-02.11.06T003



54Si+natGd

→208-211Ra

16./17.05.06T002



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



"SHIP"-like

COMPACT

COMPACT

COMPACT

T005



48Ca+144Sm

→188Pb, ...

24./25.01.07T004



40Ar+...30.10.

-02.11.06T003



54Si+natGd

→208-211Ra

16./17.05.06T002



30Si+181Ta →205,206Fr,206Rn

24.-29.04.06T001



"SHIP"-like

COMPACT

COMPACT

COMPACT

T005



48Ca+144Sm

→188Pb, ...

24./25.01.07T004



40Ar+...30.10.

-02.11.06T003



54Si+natGd

→208-211Ra

16./17.05.06T002



30Si+181Ta →205,206Fr,206Rn

24.-29.04.06T001



"SHIP"-like

COMPACT

COMPACT

COMPACT

T005



48Ca+144Sm

→188Pb, ...

24./25.01.07T004



40Ar+...30.10.

-02.11.06T003



54Si+natGd

→208-211Ra

16./17.05.06T002



30Si+181Ta →205,206Fr,206Rn

24.-29.04.06T001 TASCA 4-line αααα-source



"SHIP"-like

COMPACT

COMPACT

COMPACT

T005



48Ca+144Sm

→188Pb, ...

24./25.01.07T004



40Ar+...30.10.

-02.11.06T003



54Si+natGd

→208-211Ra

16./17.05.06T002



30Si+181Ta →205,206Fr,206Rn

24.-29.04.06T001



"SHIP"-like

COMPACT

"SHIP"-like

COMPACT

COMPACT

COMPACT

HTM

SIM

• detector cooling40Ar+natGd

→188Pb, ...40Ar+208Pb

→245Fm

20.-22.02.07T005



48Ca+144Sm

→188Pb, ...

24./25.01.07T004



40Ar+...30.10.

-02.11.06T003



54Si+natGd

→208-211Ra

16./17.05.06T002



30Si+181Ta →205,206Fr,206Rn

24.-29.04.06T001



"SHIP"-like

COMPACT

"SHIP"-like

COMPACT

COMPACT

COMPACT

HTM

SIM

• detector cooling40Ar+natGd

→188Pb, ...40Ar+208Pb

→245Fm

20.-22.02.07T005



48Ca+144Sm

→188Pb, ...

24./25.01.07T004



40Ar+...30.10.

-02.11.06T003



54Si+natGd

→208-211Ra

16./17.05.06T002



30Si+181Ta →205,206Fr,206Rn

24.-29.04.06T001detector cooled to -25°C


48Ca + 238U →→→→ 286112*- SHE Synthesis with Actinide Targets


48Ca + 238U →→→→ 286112* at SHIP- Decay Chains 2005 and 2006


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


Synthesis and Identification of SHE at SHIP- 48Ca + 238U →→→→ 286112*

48Ca 238U 293112

n

n

n


Synthesis and Identification of SHE at SHIP- 48Ca + 238U →→→→ 286112*

48Ca 238U 293112

n

n

n


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


• 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.


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


• 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


• 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


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

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1. Introduction D Ackermann · •PA'sfromJYFL installed HTM •seriousattackto the detectors...

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