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bbnex [2014/05/02 13:21] cyburt |
bbnex [2014/05/02 13:22] cyburt |
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<box 80% left blue|**(During-Course Assignment)**> | <box 80% left blue|**(During-Course Assignment)**> | ||
- | **Run a reaction network with given nuclear input for:** | + | **Run something:** |
- | - Fixed temperature and density | + | - One thing |
- | * Try various temperatures and densities | + | * different a |
- | * Try different network sizes | + | * different b |
- | * Swap out a reaction rate with a different version | + | - Two things |
- | * Vary initial composition (X, Y, Z or Ye) | + | * different a |
- | * Let evolve until Nuclear Statistical Equilibrium is reached | + | * different b |
- | - Temperature/density trajectories | + | |
- | + | ||
- | * $ T(t) = T(0)\exp{(-t/\tau)} $ | + | |
- | + | ||
- | * or $ T(t) = \frac{T(0)}{(1+t/(n\tau))^n} $ | + | |
- | + | ||
- | * $ \rho (t) = \rho (0) [1.+f_{\nu}(T(t))](T(t)/T(0))^3$ | + | |
- | + | ||
- | + | ||
- | * How do initial conditions affect the resulting nucleosynthesis | + | |
- | * How does the trajectory form affect the results? | + | |
</box> | </box> | ||
~~DISCUSSION|Reaction Network Exercises Discussion~~ | ~~DISCUSSION|Reaction Network Exercises Discussion~~ |