Alec Aivazis edited oscillationTheory.tex  almost 10 years ago

Commit id: 7f7176564d99c69b57c264d3f8c027643a9ac724

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\begin{equation}  \begin{split}  E_{alphaalpha}^2 E_{\alpha}^2  &= p_{alpha}^2 p_{\alpha}^2  + m_{alpha}^2 m_{\alpha}^2  \\ &= p_{alpha}^2 p_{\alpha}^2  (1 + \frac{m_{alpha}^2}{p_{alphaalpha}^2}) \frac{m_{\alpha}^2}{p_{\alpha}^2})  \\ E_{alphaalpha} E_{\alpha}  &\approx p_{alpha} p_{\alpha}  \sqrt{(1 + \frac{m_{alphaalpha}^2}{p_{alphaalpha}^2})} \frac{m_{\alpha}^2}{p_{\alpha}^2})}  \\ &\approx p_{alphaalphaalpha} p_{\alpha}  (1 + \frac{m_{alphaalpha}^2}{2 p_{alphaalpha}^2}) \frac{m_{\alpha}^2}{2 p_{\alpha}^2})  \\ &\approx p_{alphaalphaalpha} p_{\alpha}  + \frac{m_{alphaalphaalpha}^2}{2 p_{alphaalpha}} \frac{m_{\alpha}^2}{2 p_{\alpha}}  \end{split}  \end{equation}