Difference between revisions of "SeRun 02-13-17"
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[[PAA_Selenium#SeRun_02-13-17]] | [[PAA_Selenium#SeRun_02-13-17]] | ||
| − | Selenium Irradiation Setup for MCNP simulations: | + | =Simulations= |
| − | [[File:SeSetup.jpg]] | + | ==Selenium Irradiation Setup for MCNP simulations:== |
| + | [[File:SeSetup.jpg | 200 px]] | ||
| + | ==Flux== | ||
MCNP results for photon flux through the samples (electron beam energy is 21 MeV, energy bins are 100 keV, selenium density is 4.2 g/cc, selenium sample is cylindrical, 2 cm in diameter, 2 cm in height): | MCNP results for photon flux through the samples (electron beam energy is 21 MeV, energy bins are 100 keV, selenium density is 4.2 g/cc, selenium sample is cylindrical, 2 cm in diameter, 2 cm in height): | ||
| − | [[File:PhFl.jpg]] | + | [[File:PhFl.jpg| 200 px]] |
| − | Cross-sections for various reactions (adopted from TALYS): | + | ==Cross-sections for various reactions (adopted from TALYS):== |
| − | [[File:CS.jpg]] | + | [[File:CS.jpg | 200 px]] |
| − | =Production rate (1/sec) in 1 gram of natural Se (or natural Ni) assuming 22 MeV 1 microA current= | + | ==Production rate (1/sec) in 1 gram of natural Se (or natural Ni) assuming 22 MeV 1 microA current== |
{| border="3" cellpadding="5" cellspacing="0" | {| border="3" cellpadding="5" cellspacing="0" | ||
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| Se-80 || 1.4x10^6 || 2.4x10^5 || 5.9x10^4 || 5.6x10^4 | | Se-80 || 1.4x10^6 || 2.4x10^5 || 5.9x10^4 || 5.6x10^4 | ||
|} | |} | ||
| + | |||
| + | [[PAA_Selenium#SeRun_02-13-17]] | ||
Revision as of 20:07, 9 February 2017
Simulations
Selenium Irradiation Setup for MCNP simulations:
Flux
MCNP results for photon flux through the samples (electron beam energy is 21 MeV, energy bins are 100 keV, selenium density is 4.2 g/cc, selenium sample is cylindrical, 2 cm in diameter, 2 cm in height):
Cross-sections for various reactions (adopted from TALYS):
Production rate (1/sec) in 1 gram of natural Se (or natural Ni) assuming 22 MeV 1 microA current
| Tube 1 | Tube 2 | Tube 3 | Tube 4 | |
| Ni-57 | 1.8x10^5 | 3.4x10^4 | 5.5x10^3 | 6.0x10^3 |
| Se-79 | 1.5x10^6 | 2.7x10^5 | 6.2x10^4 | 6.0x10^4 |
| Se-75 | 1.2x10^6 | 2.3x10^5 | 4.6x10^4 | 4.6x10^4 |
| Se-80 | 1.4x10^6 | 2.4x10^5 | 5.9x10^4 | 5.6x10^4 |