LCTPC/LPWP-8th phonemeeting
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Transcript of LCTPC/LPWP-8th phonemeeting
30/08/2006 Ron Settles MPI-Munich/DESY 8th WP phonemeeting 30 August 2006
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LCTPC/LPWP-8th phonemeeting
– Date 30 August 2006 – Time
• 7:00 west coast• 10:00 east coast• 16:00 central Europe • 23:00 Japan
– To join, Phone +494089981390 code 52872#
30/08/2006 Ron Settles MPI-Munich/DESY 8th WP phonemeeting 30 August 2006
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Agenda for 8th WP phonemeeting(in future the meetings will be managed via http://ilcagenda.cern.ch/)
AGENDA -1.News
Formation of the LCTPC/LP CollaborationWWS-R&D-panel tracking review at BeijingPIRE (Dan)
-2.WP meetingGem gating (RS)Gem endplate for the LP (Akira)Fieldcage (Ties)LP endplate/electronics discussion (Leif, Dan)
-3.Future meetings -Paris endcap meeting 12-15 September -Eudetmeeting at MPI 18-20 October -Valencia European WS 6-10 November -Beijing Asian WS February 3-7 February
-4.AOB
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AGENDA -1a.Formation of the LCTPC/LP collaboration
On the next foil are the groups who have replied with the name of their CB representative up to now: marked by
The non-checked groups have now been contacted directly. Status and lists of names are on the following foils…
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LCTPC/LP Groups (27 August 06)
AmericasCarleton Montreal VictoriaCornellIndianaLBNLMIT
PurdueYale
EuropeEuropeLAL OrsayLAL Orsay IPN OrsayIPN Orsay CEA SaclayCEA Saclay
AachenAachenBonnBonnDESYDESY
UHamburgUHamburgFreiburgFreiburgKarlsruheKarlsruhe
MPI-MunichMPI-MunichRostockRostockSiegenSiegenNIKHEFNIKHEF
UMM KrakowUMM KrakowBucharestBucharest
NovosibirskNovosibirskPNPI PNPI
StPetersburgStPetersburg LundLundCERNCERN
AsiaAsiaTsinghuaTsinghua
CDC:CDC:HiroshimaHiroshima
KEKKEKKinki UKinki USagaSaga
KogakuinKogakuinTokyo UA&TTokyo UA&T
U TokyoU TokyoU TsukubaU Tsukuba
Minadano SU-IITMinadano SU-IIT
…Other groups interested?
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Formation of the LCTPC/LP collaborationThe proposal is to have:1)Three coordinators, one chosen by each region. These spokespersons (SP)coordinate the work of the following two boards:
2)The collaboration board (CB), consisting of one representative from eachgroup or set of groups (the group leader, principle investigator or otherchosen member). Each CB member looks after the resources for its group(s)(money and people).
3)The technical board (TB), consisting of the existing workpackage (WP)conveners. The TB will ensure the technical integrity of their WP andcompatibility with other WPs while maintaining close contact with thecollaboration.
This structure now exists. 1) We are three interim coordinators and areto be replaced by chosen ones in the course of this formation phase.2) The CB is (almost) complete. 3) The workpackages and WP convenerswere identified during the first half of this year. The names of CB andTB members are listed in the next slide.
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The CB members are:==================--Americas-Carleton: Madhu DixitMontreal: Jean-Pierre MartinVictoria: Dean KarlenCornell: Dan PetersonIndiana: Rick Van KootenLBNL: Mike Ronan
--Asia-Tsinghua: Yuanning Gao
For the following CDC groups: Akira SugiyamaHiroshima
KEKKinkiSaga
KogakuinTokyo U A&T
U TokyoTsukuba
Mindanao
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--Europe-Eudet contact: Joachim MnichLAL Orsay/IPN Orsay: Vincent LepeltierAachen: Stefan RothBonn: Klaus DeschDesy/UHamburg: Ties BehnkeEudet: Joachim MnichFreiburg: Andreas BambergerMPI-Munich: Ariane FreyRostock: Henning SchroederSiegen: Ivor FleckNikhef: Jan TimmermansNovosibirsk: Alexei BuzulutskovSt.Peterburg: Anatoliy KrivchitchLund: Leif JonssonCERN: Michael Hauschild (deputy: Lucie Linsen)
--Groups with Observer status-TU Munich: Bernhard Ketzer
Purdue: Ian Shipsey
--Replies still missing from:MITYale
MindanaoCEA SaclayKarlsruheKrakow
Bucharest
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The TB members are:==================1) Workpackage Mechanics Ron Settles a) LP design (incl. endplate structure) Dan Peterson b) Fieldcage, laser Ties Behnke c) GEM panels for endplate Akira Sugiyama d) Micromegas panels for endplate Paul Colas e) Pixel panels for endplate Jan Timmermans f) Resistive foil for endplate Madhu Dixit2) Workpackage Electronics Leif Jonsson a)"Standard" RO/DAQ sytem for LP Leif Jonsson+Postdoc b) CMOS RO electronics Harry van der Graaf c) Electronics for LCTPC Luciano Musa3) Workpackage Software Peter Wienemann a) LP SW, simul./reconstr.framework Peter Wienemann b) TPC simulation, backgrounds Stefan Roth c) Full detector simulation Keisuke Fujii4) Workpackage Calibration Dean Karlen a) Field map Lucie Linssen b) Alignment Takeshi Matsuda c) Distortion correction Dean Karlen d) Radiation hardness of materials Anatoliy Krivchitch e) LP Gas/HV Eudet Postdoc
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We shall be sending an email this week on the next steps for the formation of the LCTPC/LP collaboration…
AGENDA -1a.Formation of the LCTPC/LP collaboration
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AGENDA -1b.Tracking review at Beijing:
As announced at the VLSW06, the WWS-R&D Panel is starting regular reviews of the different R&D projects for the LC detector. Chris Damerell has sent the email that they want to start with tracking (Si and TPC) at the Asian LC meeting in Beijing (3-7 February 2007). The modus operandi is still being discussed…
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AGENDA -1c.PIRE
As announced by Dan, this is the “Partnerships for International Research and Education” program at Cornell. More details from Dan…
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AGENDA -2a.Next iteration on the goals for LCTPC/LP.
For your info: we (Fabio Sauli, Madhu Dixit, Martin Killenberg, Akira Sugiyama, RS, a.o.) have started on thinking about ways to test Gem gating with (a) small prototype(s). Martin thinks we might have a scheme that works, but it has to be tried out. If you are interested or have suggestions, let us know…
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AGENDA -2b. Gem endplate (a.o.) for the LP
Akira (WP convener for the LP Gem endplate) sent a mail asking which groups want to participate in the work of making/testing the Gem endplate(s) for the LP. The division of work among groups will be a part of the general organization of the LCTPC/LP collaboration which has to be done within the next few weeks. For the Gem-endplate question, more from Akira…
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AGENDA -2c. Fieldcage for the LP
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AGENDA -2c.LP endplate discussion Reminder: most urgent point for LP is to design layout
of endplate and finalize ~12/2006
One picture from the note Leif described at the last meeting, seehttp://mppmu.mpg.de/~settles/tpc/lp/wpmtg/lpconnectorarr.pdf
and two pictures of Dan’s iteration of the last meeting
http://w4.lns.cornell.edu/~dpp/linear_collider/LargePrototype.html
follow in the next three foils…
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AGENDA
-3.Future meetingsThere are (in addition to bi-weekly phonemeetings):-Paris Endcap meeting organized by Paul/Akira (12-15
September 2006): announcements already sent to the LCTPC groups, see
http://www-dapnia.cea.fr/Spp/Meetings/EndPlate/-Eudet annual meeting MPI-Munich (18-20 October 2006) withwebsite:
http://www.eudet.org/AnnualMeeting2006/AnnualMeeting2006.html-European LC workshop Valencia (6-10 November 2006), see
http://ific.uv.es/~ilc/ECFA-GDE2006/-Asian LC workshop Beijing (4-7 February 2007)
Website:http://bilcw07.ihep.ac.cn/
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AGENDA -4.AOB
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Back up slides,
for reference
Back up slides,
for reference
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Akira Sugiyama – GLD DOD
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RS study - LDC DOD - together with
Joel PouthasPhilippe Rosier
(IPN Orsay)
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Aleph Endplate
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Some features• Zigzag structure prevented loss of tracks > θ~22°• Sectors mounted from inside using a “handling tool” to minimize the dead space between sectors. This straight-forward operation which was performed at least 30 times during the lifetime of Aleph. • Alu sandwich structure stiff, lightweight to
- contain 7mb overpressure- provide forced-air thermal insulation between electronics and TPC volume
• Water cooling of 1kW electronics/side in addition- 22K channels per side
• Combination water/air cooling blocked all heat to TPC• Overall thickness ~ 25%Xo (average) w/o cables• Bending of endplate
- 20 micrometers due to 7mb overpressure- 5 micrometers due to wire tension
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R&D Planning• 1) Demonstration phase
– Continue work with small prototypes on mapping out parameter space, understanding resolution, etc, to prove feasibility of an MPGD TPC. For CMOS/Si-based ideas this will include a basic proof-of-principle.
• 2) Consolidation phase– Build and operate the LP, large prototype, (Ø ≥ 75cm, drift
≥ 100cm), with EUDET infrastructure as pedestal, to test manufacturing techniques for MPGD endplates, fieldcage and electronics. Design is starting---building and testing will take another ~ 3 years.
• 3) Design phase– After phase 2, the decision as to which endplate
technology to use for the LC TPC would be taken and final design started.