culinary_services
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culinary_services [2014/06/05 14:55] warren |
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| Sensitivity studied of <sup>44</sup>Ti production in in core-collapse supernova environments. | Sensitivity studied of <sup>44</sup>Ti production in in core-collapse supernova environments. | ||
| - | **[[Scientific Background|Scientific Background]]** | + | ===Scientific Background=== |
| There are many uncertainties in our understanding of core-collapse supernovae, including the explosion mechanism and nucleosynthesis. One way to gain insight into these phenomena is to study the nucleosynthesis of radioactive isotopes in the shock-heated material. These isotopes, such as <sup>44</sup>Ti and <sup>56</sup>Ni, determine the features of the supernova light curve. Observations of supernova remnants can be used to put bounds on the production of these isotopes. | There are many uncertainties in our understanding of core-collapse supernovae, including the explosion mechanism and nucleosynthesis. One way to gain insight into these phenomena is to study the nucleosynthesis of radioactive isotopes in the shock-heated material. These isotopes, such as <sup>44</sup>Ti and <sup>56</sup>Ni, determine the features of the supernova light curve. Observations of supernova remnants can be used to put bounds on the production of these isotopes. | ||
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| If the shock heating is sufficient, the material will be in Nuclear Statistical Equilibrium (NSE). The isotopic abundances will be set by the thermodynamic environment (i.e. temperature and density). | If the shock heating is sufficient, the material will be in Nuclear Statistical Equilibrium (NSE). The isotopic abundances will be set by the thermodynamic environment (i.e. temperature and density). | ||
| - | **[[Simulations|Simulations]]** \\ | + | ===Simulations|Simulations=== |
| We have chosen to do a parameter space study in peak temperature, density, and electron fraction, tarting with a set parameter space of peak temperatures [T<sub>9</sub> = 4 - 7] and densities [$\rho$ = 10<sup>5</sup> - 10<sup>7</sup> g/cm<sup>3</sup>]. This parameter space roughly corresponds with the shock heated region in simulations of Cassiopeia A-like supernovae (Young & Fryer 2007). | We have chosen to do a parameter space study in peak temperature, density, and electron fraction, tarting with a set parameter space of peak temperatures [T<sub>9</sub> = 4 - 7] and densities [$\rho$ = 10<sup>5</sup> - 10<sup>7</sup> g/cm<sup>3</sup>]. This parameter space roughly corresponds with the shock heated region in simulations of Cassiopeia A-like supernovae (Young & Fryer 2007). | ||
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| Then you run the code, and it doesn't work. (nevermind, it does work.) | Then you run the code, and it doesn't work. (nevermind, it does work.) | ||
| - | **[[Results]]**\\ | + | ===Results=== |
| **REFERENCES** \\ | **REFERENCES** \\ | ||
culinary_services.txt ยท Last modified: 2014/06/06 15:52 by long
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