noun
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.
D-s meson
THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"D-s meson." YourDictionary, n.d. Web. 22 January 2019. <https://www.yourdictionary.com/d-s-meson>.
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D-s meson. (n.d.). Retrieved January 22nd, 2019, from https://www.yourdictionary.com/d-s-meson
