Online Radiation Monitoring in HF recent measurements from HF RADDAM fibers

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Online Radiation Monitoring in HF - recent
measurements from HF RADDAM fibers (preliminary
Commissioning results)?   Kerem
Cankocak, Ferhat Ozok, Luis Lebolo,
Jean-Pierre-Merlo?  
HCAL DPG Meeting 11 August
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Quick Review of Radiation damage on HF fibers
Attenuation parameters wrt the radiation
Transmitted light spectra up to 1.25 Grad (24 GeV
protons at IRRAD)?
More in Radiation-hardness measurements of high
OH content quartz fibres irradiated with 24 GeV
protons Nuclear Instruments and Methods in
Physics Research A 585 (2008) 2027up to 1.25 Grad
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Quick Review of Radiation damage measurement
with RADDAM setup at IRRAD (2006)?
Laser light shifted in blue light (450 nm)?
HF wedge
PMT
RADDAM principle to measure the ratio S1/S2
Tests results from 2006 in IRRAD 2.6
Mrad/h 250 Mrad in total
More in the talk 2006 Fall USCMS meeting
Fermilab, by Numan Bakirci (10/27/2006)?
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HF RADDAM fibers installation
(A) EM2 HAD4 EM6 HAD8 EM10 HAD12 EM13 (B) HAD2
EM4 HAD6 EM8 HAD10 EM12 HAD13
Phase TTC laser
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Tests results from 2006 in IRRAD using the HF DAQ
readout
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DQM outlook of Raddam fibers
Overflow in some channels
DQM binning range lt5000
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Recent Laser Runs for HF RADDAM
fibers
Filter Wheel 1 - pos 0 (0.00 B)? -----------------
--------------------- 1. set HV 1100/374/177 Run
54147 - 1000 events - FW2 pos6 (-1.69 Bels)? Run
54148 - 1000 events - FW2 pos5 (-1.36 Bels)? Run
54150 - 1000 events - FW2 pos4 (-1.03 Bels)? Run
54152 - 1000 events - FW2 pos3 (-0.70 Bels)? HV
1250/425/201 Run 54159 - 1000 events - FW2 pos6
(-1.69 Bels)? Run 54128 - 1000 events - FW2 pos5
(-1.36 Bels)? Run 54161 - 1000 events - FW2 pos4
(-1.03 Bels)? Run 54164 - 1000 events - FW2 pos3
(-0.70 Bels)? HV 1350/460/218 Run 54143 - 1000
events - FW2 pos6 (-1.69 Bels)? Run 54139 - 1000
events - FW2 pos5 (-1.36 Bels)? Run 54142 - 1000
events - FW2 pos4 (-1.03 Bels)? Run 54169 - 1000
events - FW2 pos3 (-0.70 Bels)? 2. set HV
1350/460/218 Run 54189 - 1000 events - FW2 pos6
(-1.69 Bels)? Run 54190 - 1000 events - FW2 pos5
(-1.36 Bels)? Run 54191 - 1000 events - FW2 pos4
(-1.03 Bels)? Run 54192 - 1000 events - FW2 pos3
(-0.70 Bels)? HV 1250/425/201 Run 54196- 1000
events - FW2 pos6 (-1.69 Bels)? Run 54197- 1000
events - FW2 pos5 (-1.36 Bels)? Run 54198- 1000
events - FW2 pos4 (-1.03 Bels)? Run 54199- 1000
events - FW2 pos3 (-0.70 Bels)? HV
1150/391/185 Run 54203 - 1000 events - FW2 pos6
(-1.69 Bels)? Run 54204 - 1000 events - FW2 pos5
(-1.36 Bels)? Run 54207 - 1000 events - FW2 pos4
(-1.03 Bels)? HV 1100/374/177 Run 54217 - 1000
events - FW2 pos6 (-1.69 Bels)? Run 54221 - 1000
events - FW2 pos5 (-1.36 Bels)? Run 54224 - 1000
events - FW2 pos4 (-1.03 Bels)? Run 54227 - 1000
events - FW2 pos3 (-0.70 Bels)?
1. fiber set
1.5 m. fiber 250 ? (Florida)?
6 cm. 800 ? fiber
PMT's
laser
800 ? (Polymicro)?
2. fiber set
PMT's
laser
Laser settings Wavelength 337.1 1
nm Repetition Rate 1- 30 Hz Pulse Width lt 4
ns Pulse Energy (_at_ 10 Hz) 260 uJ Pulse-to-Pulse
Energy Stability lt 4.5 std. dev. Trigger In to
Pulse Out 1000 ns (lt 90 ns std. dev.)? Optical
Pulse to Optosync 50 ns (lt 500 ps std. dev.)?
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Example of an Instable channel (eta 38, Phi 37,
depth 2)?
Lost in one run
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Good ratios from 54 channels out of 56 Raddam
Channels
Bad ratio!
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fiber setting 2 FW2 pos3 (-0.7 Bels) with the
first channel

Good ratios!