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project_Guillem.txt
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project_Guillem.txt
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In this document we structure Guillem's project work.
Overall: Characterisation of a square type HPGe crystal and development of the Lund germanium detector scanning system
Objectives:
1. Develop an xy-positioning system
Structure
Components
2. Create a 3D-model of the finished/complete scanning system
Simulate load
3. Characterisation of the Compex prototype crystal with a simple scanning system
Verification of Canberra measurements
Resolution for Co-60, Co-57(, Fe-55) and Cs-137
Peak symmetry, FWTM/FWHM
Peak to Compton ratio
Efficiency
Examine properties of the conventional HPGe crystal scanning system
Determine scintillator efficiencies
What is the expected count rate for the finished system? Examine:
With collimator
Just detectors
Characterise the crystal with a simple scanning
Determine the resolution and peak symmetry for:
x,y = 4*corner + middle
z = optional
Analyse
OBS: thorough notes!!!
Extra: Measure crystal capacitance vs. voltage
Determine dopant concentration!?
_________________________________________________________________________________
Update:
¤ Describe the development process of the scanning system
¤ Present the resolution measurements of the prototype crystals
________________________________________________________________________________
Aim ~ 10 pages
Intro - 1 page
Theory -
Extra:
Publish on website :)