Difference between revisions of "Comparison of radiation damage between FLUKA and Geant"
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− | * Photon energy spectrum used in the simulations | + | * Photon energy spectrum used in the simulations (photon flux corresponds to high-luminosity run) |
[[Image:photon_spectrum.jpg|500px]] | [[Image:photon_spectrum.jpg|500px]] | ||
+ | |||
+ | * Silicon damage function used by FLUKA | ||
+ | [[Image:damage_function.jpg|500px]] | ||
+ | |||
+ | * Particle spectra 75 cm downstream from SiPM - RADCON GEANT | ||
+ | [[Image:geant_spectrum.jpg|400px|thumb|left| GEANT ]] | ||
+ | <br clear=all> | ||
+ | * Particle spectra in SiPM - FLUKA | ||
+ | [[Image:n_p_spectra.jpg|400px|thumb|left| FLUKA ]] | ||
+ | [[Image:particle_spectra.jpg|400px|thumb|left| FLUKA ]] | ||
+ | <br clear=all> | ||
+ | |||
+ | * 1-MeV neutron equivalent (Si) fluences | ||
+ | [[Image:total_bcal.jpg|500px|thumb|left| FLUKA. Beam power at the target = 0.704 W ]] | ||
+ | [[Image:neut_bcal.jpg|500px|thumb|left| FLUKA. Beam power at the target = 0.704 W ]] | ||
+ | <br clear=all> | ||
+ | |||
+ | [[Image:XY_SiPM.jpg|450px|thumb|left| FLUKA. Si PM limited by two circles with radii of 65 cm and 90 cm ]] | ||
+ | <br clear=all> | ||
+ | |||
+ | [[Image:total_halld.jpg|500px|thumb|left| FLUKA. Beam power at the target = 0.704 W ]] | ||
+ | [[Image:neut_halld.jpg|500px|thumb|left| FLUKA. Beam power at the target = 0.704 W ]] | ||
+ | <br clear=all> | ||
+ | |||
+ | * Dose equivalent rate | ||
+ | [[Image:dose_rate.jpg|500px|thumb|left| FLUKA. Beam power at the target = 0.704 W ]] | ||
+ | <br clear=all> | ||
+ | |||
+ | * Particles per cm^2 per second in terms of 1-MeV neutron equivalent in Si estimated with FLUKA simulation (Photon beam power at target = .704 W) | ||
+ | |||
+ | {| border="2" | ||
+ | | Total | ||
+ | | Neutrons | ||
+ | | Protons | ||
+ | | Pions | ||
+ | | Electrons | ||
+ | | Positrons | ||
+ | |- | ||
+ | | 22.91 ± 0.18 | ||
+ | | 18.04 ± 0.12 | ||
+ | | 1.72 ± 0.03 | ||
+ | | 1.80 ± 0.01 | ||
+ | | 1.01 ± 0.19 | ||
+ | | 0.19 ± 0.03 | ||
+ | |} | ||
+ | |||
+ | |||
+ | * GEANT simulations estimated neutron fluence (1-MeV neutron equivalent in Si) of 30.5 n/cm^2/sec 75 cm downstream from SiPM. FLUKA simulations estimated 16.9 n/cm^-2/sec in the same location. | ||
+ | |||
+ | |||
+ | * FLUKA geometry and input files: http://www.jlab.org/~georgek/halld/ |
Latest revision as of 16:07, 5 November 2010
- Photon energy spectrum used in the simulations (photon flux corresponds to high-luminosity run)
- Silicon damage function used by FLUKA
- Particle spectra 75 cm downstream from SiPM - RADCON GEANT
- Particle spectra in SiPM - FLUKA
- 1-MeV neutron equivalent (Si) fluences
- Dose equivalent rate
- Particles per cm^2 per second in terms of 1-MeV neutron equivalent in Si estimated with FLUKA simulation (Photon beam power at target = .704 W)
Total | Neutrons | Protons | Pions | Electrons | Positrons |
22.91 ± 0.18 | 18.04 ± 0.12 | 1.72 ± 0.03 | 1.80 ± 0.01 | 1.01 ± 0.19 | 0.19 ± 0.03 |
- GEANT simulations estimated neutron fluence (1-MeV neutron equivalent in Si) of 30.5 n/cm^2/sec 75 cm downstream from SiPM. FLUKA simulations estimated 16.9 n/cm^-2/sec in the same location.
- FLUKA geometry and input files: http://www.jlab.org/~georgek/halld/