20 January 2011 R&D staf meeting - Jan T. 1

Activities in 2010 at DESY test beam

• 4-chip/Ingrid tests in March; 3 days OK

• Single Ingrid tests in May combined with EUDET telescope: some synchro problems

• Single Ingrid tests in Aug/Sept with Bonnie Chow (DESY summer student); one run combined with ZEUS/MVD telescope; synchro seems OK, some problem with Endianness of various PCs (or software?)

• Octopuce (= 8 Ingrids) test on LP with magnet in December together with Saclay group

20 January 2011 R&D staf meeting - Jan T. 2

Track backscattering from chip (=anode) – quad-Ingrid detector

Handshaked Pixelman operation

based on Uwe Renz Pixelman plugin

Work performed with Uwe Renz (and Martin Killenberg support) and with DESY summerstudent Bonnie Chow

Detector used is the (2009) single “8 um” Ingrid

20 January 2011 R&D staf meeting - Jan T. 4

Track scattering at grid (or anode)

Beam entering through cathode

Out-of-time track

20 January 2011 R&D staf meeting - Jan T. 5

DESY Nov/Dec test beam

• e- test beam 5 GeV• Preparation/installation Octopuce detector in gastestbox

on Monday 29/11• Some test runs in gastestbox w. beam on Tuesday 30/11• Mounting detector module on LPTPC evening Tuesday

30/11• Flushing with pure He and from morning Wed 1/12 with

He/isoButane 80/20 (5-6 hours per 40l gas bottle at 9 bar when full)

• First data taking evening Thu 2/12 without B-field• B = 1 T available from Fri 3/12 15:00• Several data taking runs until Sat 4/12 ~12:00• Data taking rather slow (1 Hz), because of only (old) PC

that worked with Muros and 8-chips

20 January 2011 R&D staf meeting - Jan T. 6

8 Ingrids on daughter board

LPTPC with 7 detector slots inside1 T solenoid

20 January 201129/09/2010 R&D staf meeting - Jan T.EUDET 2010 - Octopuce - P. Colas 729/09/2010 7EUDET 2010 - Octopuce - P. Colas

820 January 2011December 9, 2010

R&D staf meeting - Jan T.LCTPC WP phone meeting #119

• He/Iso 80/20• Vmesh = 380V• Time mode

TPC at 0TTPC at 0TTPC at 0TTPC at 0T

8December 9, 2010 LCTPC WP phone meeting #119

920 January 2011December 9, 2010

R&D staf meeting - Jan T.LCTPC WP phone meeting #119

• He/Iso 80/20• Vmesh = 380V• Time mode

TPC at 1TTPC at 1TTPC at 1TTPC at 1T

9December 9, 2010 LCTPC WP phone meeting #119

20 January 2011 R&D staf meeting - Jan T. 10

The last trigger taken: 4 Dec 2010, 11:06

He/iC4H10 80/20 Vgrid = -400 V B = 1 T

20 January 2011 R&D staf meeting - Jan T. 11

Summary (including some ‘old’ statements)

• 8 μm thick Si3N4 protection layers seem sufficient• Problems with readout of 4-fold Timepix/Ingrid

(still) being investigated• Successful standalone “handshaked” operation

with early shutter opening• Common data acquisition with Zeus telescope,

running EUDAQ, succeeded • Short but rather successful data taking with

Octopuce module at Large Prototype TPC at B = 0 and 1 T

20 January 2011 R&D staf meeting - Jan T. 12

Future• Wafer-scale production of Ingrids/GEMgrids at IZM

Berlin (all single steps of process tried out)

• Construct 2nd Octopuce and test at LP with T2K gas

• Move to new (faster) readout: e.g. Muros/Pixelman “Relaxed”

• Longer term (2(?) years): development of “full” scale LP module with ~64 – 119 Ingrids; integrated design Ingrid, cooling, FPGA readout and data transfer

• Timepix2 with better time resolution

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