Thesis presentation - APC

More documents

Recommendations

Info

GEANT4 software • Electromagnetic interactions simulator • C++ language • Structured in modules : geometry, physical process, injection mode… Input parameters Physical quantities Simulator Čerenkov effect tank Results Comparison with the Observatory 28
Parameters Wavelength dependent • Liner reflectivity • Water absorption length • PMTs quantum efficiency 25,7% 25meters 97,5% Constant • Collection efficiency (60%) • Photocathode surface area (S = 462cm²) • Tank Geometry • Different materials absorption and refraction 29
Page 1 and 2: PIERRE AUGER OBSERVATORY SURFACE DE
Page 3 and 4: FRAMEWORK I - Presentation II - Exp
Page 5 and 6: Surface array Čerenkov detectors :
Page 11 and 12: • Allow a detailed study of the s
Page 13 and 14: Photomultiplier tubes (PMT) • PMT
Page 15 and 16: Bases and high voltage modules (HV)
Page 17 and 18: measured by Auger - UCLA collaborat
Page 19 and 20: Dynode to anode ratio measurements
Page 21 and 22: Detectors calibration unity VEM con
Page 23 and 24: Difference between the VEM and the
Page 25 and 26: Decay time (τ) Orsay test detector
Page 27: FRAMEWORK I - Presentation II - Exp
Page 31 and 32: Physical Processes • Čerenkov ef
Page 33 and 34: Auger VEM H Charge to amplitude rat
Page 35 and 36: Comparison between 1 PMT and the av
Page 37 and 38: FRAMEWORK I - Presentation II - Exp
Page 39 and 40: Baseline stability Orsay => 0,00045
Page 41 and 42: Control data Evolution in time of t
Page 43 and 44: event 762238 - 18 tanks Cuve 105 So
Page 45 and 46: constant Muon flux and altitude ∝
Page 47: LED signals Black box Tank For the

Thesis presentation - APC

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?