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0001 \page Examples_channeling Category "channeling"
0002
0003 Examples in this directory are dedicated to various coherent effects
0004 in oriented crystals, in particular, channeling, channeling radiation,
0005 coherent bremsstrahlung, coherent pair production etc. as well as their
0006 various applications.
0007
0008 \ref Examplech0
0009
0010 This example shows how channeling in bent crystal can be simulated
0011 in Geant4 using G4Channeling process. The example simulates the channeling
0012 of 400 GeV/c protons in bent Si crystal. It has been moved into channeling/ch0
0013 from the channeling folder.
0014
0015 \ref Examplech1
0016
0017 This example is an easy demonstration of the minimum requirements necessary
0018 to integrate the G4ChannelingFastSimModel and the G4BaierKatkov model
0019 into a project in order to simulate the physics of channeling and
0020 channeling radiation/coherent bremsstrahlung.
0021
0022 \ref Examplech2
0023
0024 This example is an enhanced version of ch1, providing the user with
0025 the full functionality of both the G4ChannelingFastSimModel and G4BaierKatkov,
0026 with parameters set up via a macro, in order to simulate the physics of
0027 channeling and channeling radiation/coherent bremsstrahlung, and enhanced output.
0028 The example can be exploited for a wide range of cases to study coherent effects in
0029 a straight, bent or periodically bent crystal (crystalline undulator).
0030
0031 \ref Examplech3
0032
0033 This example is an easy demonstration of the minimum requirements necessary
0034 to integrate the G4CoherentPairProduction process along with G4ChannelingFastSimModel
0035 and G4BaierKatkov into a project in order to simulate the physics of electromagnetic
0036 shower in an oriented crystal. The simulation includes the physics of channeling,
0037 channeling radiation/coherent bremsstrahlung and coherent pair production.
0038 The structure of this example is based on ch1, but with the G4CoherentPairProductionPhysics
0039 process included, as well as different output, a different crystal material, alignment and
0040 geometry parameters, and a photon beam as the incoming source instead of charged particles.
0041
0042 \ref Examplech5
0043
0044 Example ch5 is an application for simulating a positron source.
0045 Although the conventional approach based on an amorphous target is possible,
0046 the application is primarily designed to simulate positrons based on oriented crystals.
0047 In the latter case, both the single-crystal and the hybrid scheme can be investigated.
