Fast Timing Mtg April 15 th 2009 Mike Albrow Fast Timing studies at Fermilab : Test beam plans notes...

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Fast Timing Mtg April 15 th 2009 Fast Timing studies at Fermilab : Test beam plans notes from meeting April 15 th 2009 d 27 th – Tue June 2 nd , 12 hours/day, probably 10pm – 10am, to test Cerenkov detectors, using custom fast electronics. Keep it s several devices, in order of priority or task: es in line in beam with 0,2,4,6 mm extra quartz radiator Photek tubes, one each end. Perpendicular to beam (and x, θ scans) h SiPMs in line (Anatoly) -line, sent by Louvain. (Same DAQ, just exchange cables) 8 x 48mm tubes with ganged together channels, in line (+ extra Q if er shows good resolution, would like to install them in QUARTZTOF(co =============================== our plan. ests with QUARTIC (8-bar design) and different electronics (A.Brandt are fully independent, on back table, and understand we are prime u ss this next week at UTA (Mike)

Transcript of Fast Timing Mtg April 15 th 2009 Mike Albrow Fast Timing studies at Fermilab : Test beam plans notes...

Page 1: Fast Timing Mtg April 15 th 2009 Mike Albrow Fast Timing studies at Fermilab : Test beam plans notes from meeting April 15 th 2009 MTest May Wed 27 th.

Fast Timing Mtg April 15th 2009

Fast Timing studies at Fermilab : Test beam plansnotes from meeting April 15th 2009

MTest May Wed 27th – Tue June 2nd, 12 hours/day, probably 10pm – 10am,Priority is to test Cerenkov detectors, using custom fast electronics. Keep it simple!

Want to test several devices, in order of priority or task:2 Photek tubes in line in beam with 0,2,4,6 mm extra quartz radiatorQ-bar with 2 Photek tubes, one each end. Perpendicular to beam (and x, θ scans)Q-blocks with SiPMs in line (Anatoly)GASTOFs 2 in-line, sent by Louvain. (Same DAQ, just exchange cables)2 Photonis 48 x 48mm tubes with ganged together channels, in line (+ extra Q if wanted)Iff the latter shows good resolution, would like to install them in QUARTZTOF(cones). ===============================The above is our plan.Additional tests with QUARTIC (8-bar design) and different electronics (A.Brandt)only if they are fully independent, on back table, and understand we are prime user.I will discuss this next week at UTA (Mike)

Page 2: Fast Timing Mtg April 15 th 2009 Mike Albrow Fast Timing studies at Fermilab : Test beam plans notes from meeting April 15 th 2009 MTest May Wed 27 th.

Fast Timing Mtg April 15th 2009

MTest May 27-June 2

All 120 GeV/c protons, intensity ~ 10K-20K per 4 sec spill, 1/minute.Small trigger scint counter ~ 2mm x 2mm 2PMTs in Dark Box. [AR]Scan to find beam center.2nd large trigger counter ~ 4cm x 4cm in line, in COINC for trigger Halo-veto counter with round hole diam ~ 5mm to reject showers. [AR]“Standard” reference fast detector, in beam & always read out PHOTEK 240 (40mm diam)These on front table, see plan later.Scanning table: x,y,θ … mount in moveable base, program it

Trigger logic & DAQ shown on next slide [ER]Very fast digital scope Set-up & waveform recording (if wanted)

Page 3: Fast Timing Mtg April 15 th 2009 Mike Albrow Fast Timing studies at Fermilab : Test beam plans notes from meeting April 15 th 2009 MTest May Wed 27 th.

Fast Timing Mtg April 15th 2009 3

Electronic MeasurementMCP/PMT’s

Anode signals

Scintillator Trigger

Constant Fraction Discriminators (CFD) - ortec 9327

Time to Analog Convertors (TAC) - Ortec 567

START

START

START

STOP

STOP

STOP

14 bit CAMAC ADC’s - Ortec AD114

NIM signals

10 bit CAMAC ADC’s –LeCroy 2249

AnalogOutput

Add to this: 2nd small 2x2 trigger in AND Veto counter with hole in VETO

Page 4: Fast Timing Mtg April 15 th 2009 Mike Albrow Fast Timing studies at Fermilab : Test beam plans notes from meeting April 15 th 2009 MTest May Wed 27 th.

Fast Timing Mtg April 15th 2009

Notes on detectors:

1 large (40mm diam, 2 MCPs) PHOTEK in beam center, maybe add Q. Keep fixed as Ref.

2 Photek tubes in line without & with Q-disks on window (grease? removal?) Dark Box [ER]

Q-bar: Fused silica bar 6mm x 6mm x 90mm, Photek 3μm pore 10mm Φ each end. (Beam ┴ to bar, scan along, rotate…) [being made, Lindenmeyer] Light tight, but in dark box for RF and convenience of cables etc. [MA]

Q-blocks + SiPMs in line [AR]

GASTOF: 2 devices with (1-channel) Photek PMTs [exist, from Louvain] Mounted in line on plate, too big for dark box, mount on 2nd table (assuming no QUARTICs there)

< AEROGEL ? blocks ~ 2cm long, mirror Photeks. (Not yet made) > maybe

Pair of Photonis 64-pad 48x48mm2 tubes in line (+Q plate?) to test integrated readout.

< QUARTZTOF (Cones) IFF Integrated Photonis test looks good, be prepared to put on Cone radiators (2nd separate dark box). > maybe.

Page 5: Fast Timing Mtg April 15 th 2009 Mike Albrow Fast Timing studies at Fermilab : Test beam plans notes from meeting April 15 th 2009 MTest May Wed 27 th.

Fast Timing Mtg April 15th 2009

Heavy duty tables

DARK BOX

Q-bar40x40mm trig scint

2x2 mmtrig scint

40x40mm veto scint

GASTOFs(1/2 shift)

BEAM

Very schematic placement of detectors

Page 6: Fast Timing Mtg April 15 th 2009 Mike Albrow Fast Timing studies at Fermilab : Test beam plans notes from meeting April 15 th 2009 MTest May Wed 27 th.

Fast Timing Mtg April 15th 2009

Jobs:Pre-beam: laser tests Anatoly+Mike Friday for PHOTEKs, check all PMTs, Prepare electronics/DAQ/computer

Trigger and veto counters, trigger logic, cables.

Prepare detectors:See previous slide.

Run control software, on-line histograms etc.

Prepare stands and motion control, programmed.

Make time plan/schedule/shifts & people

People (? partial list?)Mike Albrow, Erik Ramberg, Anatoly Ronzhin, Sasha Pronko, Hans Wenzel,+ others may be, let us know.


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