e/Strange B meson

Information
has gloss	eng: The meson is a meson composed of a bottom antiquark and a strange quark. It's antiparticle is the meson, composed of a bottom quark and a strange antiquark. Strange B mesons are noted for their ability to oscillate between matter and antimatter via a box-diagram with . A first estimation of the lower and upper limit of this value have been found at the DØ experiment at Fermilab.
lexicalization	eng: Strange B meson
instance of	(noun) (nontechnical usage) a tiny piece of anything molecule, speck, particle, corpuscle, mote, atom