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Lorentz factor from Smilei output
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| def gamma(p_r, m_r = 1): | |
| """ compute Lorentz factor from Smilei momentum and mass | |
| Parameters | |
| ---------- | |
| p_r : float | |
| particle momentum in reduced units. | |
| m_r : float, optional | |
| particle mass in reduced units, default value is hydrogen mass. | |
| Returns | |
| ------- | |
| gamma | |
| Lorentz factor, float. | |
| """ | |
| return np.sqrt(1 + (p_r / m_r)**2) |
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