D-s meson 
(dēĕs)
(dēĕs)n.
A positively charged meson composed of a charm quark and a strange antiquark and having a mass 3,852 times that of an electron and a mean lifetime of about 5.0 × 10-13 second.
| 单词 | D-s meson |
| 释义 | D-s meson (dēĕs)n. A positively charged meson composed of a charm quark and a strange antiquark and having a mass 3,852 times that of an electron and a mean lifetime of about 5.0 × 10-13 second. |
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