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Massive particle : ウィキペディア英語版 | Massive particle The term massive particle refers to particles which have real non-zero rest mass. According to special relativity, their velocity is always lower than the speed of light. The synonyms bradyon (from (ギリシア語:βραδύς), ''bradys'', “slow”), tardyon or ittyon〔 〕 are sometimes used to contrast with luxon (which moves at light speed) and hypothetical tachyon (which moves faster than light). ==See also==
* Elementary particle * Massless particle * Particle * Tachyon
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Massive particle」の詳細全文を読む
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