cherenkovradiation(參考版)
2025-07-18 22:48本頁面
【正文】 , ) | |2rrd n n k ad?? ? ? ? ???? ?????????So the differential cross section The incident wave is unpolarized, the parallel and perpendicular ponents (. the scattering plane) are 224 6 4 6211c o s ,2 2 2 2rrd dk a k add? ? ? ?????? ? ? ?????? ? ? ?? ? ? ?? ? ? ?2224 6 2246// si n()/ / 1 c os1 1( 1 c os )221832rrrrd d d dd d d ddkaddd k ad?? ??? ? ????????????? ? ?? ? ?? ? ? ??? ??????? ???? ?? ? ? ???? ???The polarization, differential and total scattering cross section are (see Fig at p459) Scattering by a small perfectly conducting sphere of radius a The electric dipole moment is (see section at p64) 3034,2in cin cp a Em a H??????4 6 * * 20 0 0 0 01( , 。 束縛電子（諧振子）散射 200itex x x E em?? ?? ? ? ?0220()0 222 2 2 2 20011, t a n()ititex E emieEem???? ? ?????? ? ?????? ? ?????? ? ??????? s i n4)(420)??(200rcxeExnnrceEEE ???????????? ???????散射波 15 7022803024 10 ( , 5 10 )106kcmmemc????????? ? ? ? ? ?? ? ?平均能流密度 42 4 202 3 2 2 2 2 2 2 200s in3 2 ( )eES c m r ? ?? ? ? ? ?? ? ? ?2 422 2 2 2 2 2008 , 2 . 83 ( ) 4eer er fmcm? ??? ? ? ? ?? ? ?? ? ?散射截面 0?? ??0?? ?0?? ?? R ay le ighre ,38 402?????????????)T ho m s on(,38 2 e l e c t r onf r e er e?? ?2208 ,3er r e s o n a n t? ??? ??? ? ? ? ??????稀薄氣體近似：忽略分子間相互作用， 單位體積電子數(shù) N，利用束縛電子散射結(jié)果 222020 22011N
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