在這篇論文中我先介紹暗物質，然後簡介測暗物質的方法。間接測暗物質跟暗物質的碰撞所產生出來的珈瑪射線是我所著重的重點。接著我介紹三個模型，他們所預測出來的暗物質非常的不一樣，這也是令人感興趣的地方。最後，我會把程式計算出來的散射截面結果列出來。

I introduce the dark matter and briefly discuss the detection method of dark matter search. The indirect detection of the gamma rays produced by neutralino-neutralino pair annihilation is my focus point. Then I compare three different supersymmetry breaking scenarios which have very different experimental signatures. Finally, cross section rate of neutralino annihilation into two photons in various models is shown.

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