December 7, 2005DESY EUDET in FCAL VINCA, Belgrade Univ. of Colorado, Boulder, BNL, Brookhaven, AGH Univ., INP & Jagiell. Univ. Cracow, JINR, Dubna, NCPHEP,

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Presentation transcript:

December 7, 2005DESY EUDET in FCAL VINCA, Belgrade Univ. of Colorado, Boulder, BNL, Brookhaven, AGH Univ., INP & Jagiell. Univ. Cracow, JINR, Dubna, NCPHEP, Minsk, FZU, Prague, IHEP, Protvino, TAU, Tel Aviv, DESY, Zeuthen Wolfgang Lohmann see: PRC R&D 01/02 (2002) Instrumentation of the very forward region of the ILC detector AGH Univ., INP & Jagiell. Univ. Cracow FZU, Prague, TAU, Tel Aviv, DESY, Zeuthen Participants of EUDET: JINR applied for being associated

Functions of the very Forward Detectors Fast Beam Diagnostics and Luminosity Optimisation Detection of Electrons and Photons at very low angle – extend hermeticity (Important for Searches) Shielding of the inner Detector Measurement of the Luminosity with precision O(10 -4 ) BeamCal 30 layer CVD diamond:W 5 < θ < 28 mrad LumiCal 30 layer Si:W 26 < θ < 155 mrad

Laser Positioning System XYZ displacement measurement with two beams Proposed setup with two beams and prism splitter: Design and construction.

New lasers with aspherical lenses – better spot – estimated New lasers with aspherical lenses – better spot – estimated cost of 1000 € (to be ordered) cost of 1000 € (to be ordered) Beam splitter with half transparent mirror – designed – Beam splitter with half transparent mirror – designed – suspended for the next year (~1200 € ) suspended for the next year (~1200 € ) Improvement of algorithm to determine centre of two spots Improvement of algorithm to determine centre of two spots – cost of 500 € (temporary staff) – cost of 500 € (temporary staff) Prototype – in progress Prototype – in progress Independent measurement of XYZ translations – Renishaw Independent measurement of XYZ translations – Renishaw industrial system (0.1 μm resolution) – bought (900 € ) and PC industrial system (0.1 μm resolution) – bought (900 € ) and PC control card ordered (700 € ) control card ordered (700 € ) Laser Positioning System, Details

Sensor Design and Test Facilities Study of the performance with large area sensors with ionising particles Design of large area sensor planes, proof of mechanical accuracy, electrical features, response at the edges Production placed via JINR Dubna Production placed via JINR Dubna Test facilities (prob. stations, current and capacitance measurement) under installation in Zeuthen and Tel Aviv

Test Beam Equipment exit window of beam line collimator (I Coll ) sensor box (I Dia, T Dia, HV) Faraday cup (I FC, T FC )

Used for Irradiation Tests at DALINAC

Beam Area: Equipment Power supplies and monitoringSurveillance from control room Sensor holder I-V conversion

Read-out electronics for test-beam measurements Readout Electronics Test measurements with the LAL FLC-phy 3, one chip instrumented and running, results for Munich WS Design of an electronics matching the ILC needs: activity started in Cracow, no results so far.

Summary First steps are done: Test beam equipment partially available and running, completion is ongoing Laser alignment ‘proof of principle experiment’ under construction Test facilities for sensors in Zeuthen and Tel Aviv; Zeuthen will be upgraded, Tel Aviv started to collect equipment Read-out electronics: Phys-3 chip under test