Bottom-quark

Key Stage 5

Meaning

A bottom-quark (b) is a type of quark with a charge of \(-\frac{1}{3}\).

About Bottom-quarks

The bottom-quark is denoted with a lower case b.

Quark	Charge/e	Strangeness	Baryon Number	Lepton Number
Bottom-quark	\(Q=-\frac{1}{3}\)	\(S=0\)	\(B=+\frac{1}{3}\)	\(L=0\)
Antibottom-quark	\(Q=+\frac{1}{3}\)	\(S=0\)	\(B=-\frac{1}{3}\)	\(L=0\)