Download - LNF - Beam Test Facility Sept. 29 – Oct. 04
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LNF - Beam Test Facility Sept. 29 – Oct. 04
Characterization of
LAZIO Detectors
Low Altitude Zone Ionizing Observatory
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Sept. 29 – Oct. 04 Low Altitude Zone Ionizing Observatory
Outline
Purposes of the Beam Test Beam Characteristics Instrumental Setup
• Mechanics
• Electronics
Data Analysis and Results Future Purposes and Conclusions
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Sept. 29 – Oct. 04 Low Altitude Zone Ionizing Observatory
Purposes
Instruments:• Scintillator Detectors
• Light Guide
• Photo Multipliers
• LabView based Acquisition System Measures:
• Detector Resolution
• Light Counting Attenuation vs Distance
• Relative Detector Efficiency• Normalizzation to the BTF Calorimeter Countings
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Sept. 29 – Oct. 04 Low Altitude Zone Ionizing Observatory
Beam Characteristics
500MeV electrons Repetition Rate 50 Hz Pulse Duration 1-10 ns Current/pulse 1 to 8 particles σXY ~2mm Max Electronic Rate: 1KHz
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Sept. 29 – Oct. 04 Low Altitude Zone Ionizing Observatory
Setup - Mechanics
Scintillator MoverBTF Calorimeter
Beam Trigger
Beam line
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Sept. 29 – Oct. 04 Low Altitude Zone Ionizing Observatory
DAQ
CAMAC
Setup - Electronics
Beam Trigger
FaninFanout
Delay units
12 bit ADC
CAMAC
Acquisition System
Discriminator Scaler
BeamCalorimeter
Scintillator
Attenuator
5:1
CAMAC
860 mV
15 V
Power Supply
Scint.
Calorim.
Ext.TRG Beam Trigger
HV Power Supply
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Sept. 29 – Oct. 04 Low Altitude Zone Ionizing Observatory
Data analysis - First View
Calorimeter Informations on Beam Energy distribution
Scintillator Data extraction by BTF calorimeter informations
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Sept. 29 – Oct. 04 Low Altitude Zone Ionizing Observatory
Data analysis - Investigations
Filtered Data: Selection of the single electron
contribution in the BTF Calo data
Obtained Data: Single electron contribution in the
Scintillator data Instrumental Resolution
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Sept. 29 – Oct. 04 Low Altitude Zone Ionizing Observatory
Results
Preliminary results: Linear behaviour of Light
Counting Attenuation vs distance (beam spot – light guide)
Next analysis: Detector Efficiency relative
to the BTF Calorimeter countings
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Sept. 29 – Oct. 04 Low Altitude Zone Ionizing Observatory
Conclusions and Future
The BTF Calorimeter is a powerful tool in the Data investigation
The collected Light follow a linear behaviour as expected
Good understanding of BTF allow us to:• Realize a proper mechanical structure for the future test on
the flight model
• Find out the best configuration for the test with Front End and Read Out electronics
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Sept. 29 – Oct. 04 Low Altitude Zone Ionizing Observatory
People
Francesco Altamura Raffaele Bencardino Vittorio Bidoli Lavinia Bongiorno