• 2022-05-27
    [tex=1.214x1.143]bM3vTeqi+opPE9thJc/7IA==[/tex]介子的静止质量[tex=8.286x1.429]f61yAugPgJ4R5HLNRpiD1h06XtUjuTR+fcTiSBDPC2j3ZRLMROUwBtSJGu/MTq0O[/tex],固有寿命[tex=6.5x1.429]owhzdOd3jiqJ7fre6ck4TxVOApr9sB/RhkE732hAwfzNIk690bBT5lLSCtSXVNnI[/tex],实验室测得其速度[tex=2.786x2.357]8uc60lMZ1GZoVBMqUDI92INnhLy4T+EUy8M5iuGEZlo=[/tex],则其质量m=[u]      [/u].平均寿命[tex=1.214x0.786]wpgIV6i65jb5MC9lH09D8w==[/tex][u]      [/u].
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