bottom quark
(physics) A quark having a fractional electric charge of -1/3 and a mass of about 4,100 to 4,400 MeV. / Symbol: b
Misspelling of maintenance.
(rail transport, derogatory) A branch line train, using light equipment
(chemistry) A salt or ester of pinic acid.
検出器は、衝突で生成されたボトムクォークに由来すると考えられる崩壊を記録した。
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