Retrieving "Anti Bottom Quark" from the archives

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1. Quantum Number

   Linked via "anti-bottom quark"

   Following the discovery of the charm quark ($c$), the quantum number Charm ($C$) was introduced, where $C=+1$ for the $c$ quark and $C=-1$ for the $\bar{c}$ antiquark.
   Similarly, Bottomness ($B'$) is assigned $B'=-1$ for the bottom quark ($b$) and $B'=+1$ for the anti-bottom quark ($\bar{b}$). The introduction of these flavor quantum numbers helped rationalize the observed particle spectrum symmetry breaking following the introduction of the fourth [quark generation](/e…