B-c meson 
(bēsē)
(bēsē)n.
A positively charged meson composed of a charm quark and a bottom antiquark and having a mass about 12,300 times that of an electron and a mean lifetime of about 4.6 × 10-13 second.
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| 单词 | B-c meson |
| 释义 | B-c meson (bēsē)n. A positively charged meson composed of a charm quark and a bottom antiquark and having a mass about 12,300 times that of an electron and a mean lifetime of about 4.6 × 10-13 second. |
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