Difference between revisions of "Comparison of radiation damage between FLUKA and Geant"
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[[Image:damage_function.jpg|500px]] | [[Image:damage_function.jpg|500px]] | ||
| − | * Particle spectra | + | * Particle spectra 75 cm downstream from SiPM - RADCON GEANT |
| − | [[Image:geant_spectrum.jpg|400px|thumb|left| | + | [[Image:geant_spectrum.jpg|400px|thumb|left| GEANT ]] |
| − | + | ||
<br clear=all> | <br clear=all> | ||
| − | [[Image: | + | * 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> | <br clear=all> | ||
| − | * | + | * 1-MeV neutron equivalent (Si) fluences |
| − | [[Image: | + | [[Image:total_bcal.jpg|500px|thumb|left| FLUKA. Beam power at the target = 0.704 W ]] |
| − | [[Image: | + | [[Image:neut_bcal.jpg|500px|thumb|left| FLUKA. Beam power at the target = 0.704 W ]] |
<br clear=all> | <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 ]] | |
| − | [[Image: | + | |
<br clear=all> | <br clear=all> | ||
| − | + | [[Image:total_halld.jpg|500px|thumb|left| FLUKA. Beam power at the target = 0.704 W ]] | |
| − | [[Image: | + | [[Image:neut_halld.jpg|500px|thumb|left| FLUKA. Beam power at the target = 0.704 W ]] |
| − | [[Image: | + | <br clear=all> |
| + | |||
| + | * Dose equivalent rate | ||
| + | [[Image:dose_rate.jpg|500px|thumb|left| FLUKA. Beam power at the target = 0.704 W ]] | ||
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| Positrons | | Positrons | ||
|- | |- | ||
| − | | | + | | 22.91 ± 0.18 |
| − | | | + | | 18.04 ± 0.12 |
| − | | 1. | + | | 1.72 ± 0.03 |
| − | | | + | | 1.80 ± 0.01 |
| − | | | + | | 1.01 ± 0.19 |
| − | | 0. | + | | 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/ | * 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/
