(2)理论分析 h hvo+mc2=hv+mee/hy 能量守恒 0 0 动量守恒 h 0 h e tmu mv h hv hv 2 2-2-cos6 mc(1-2)=moc-2hvov(l-cos8)+2moc h(vo 2 cos 2 0 2 2 2 2 2 2 0 2 2 2 c h c h c h m v = + − (2)理论分析 x y 0 0 e c h e c h v m e 0 e 2 2 hv0 + m0 c = h + mc 能量守恒 v e m c h e c h = + 0 0 动量守恒 (1 ) 2 (1 cos ) 2 ( ) 0 2 0 0 2 4 2 2 0 2 2 4 − = m c − h − + m c h − c m c v