Template:Flavour quantum numbers

• Lepton number: L
• Baryon number: B
• Strangeness: S
• Charm: C
• Bottomness: B'
• Topness: T
• Isospin: I_z or I
• Weak isospin: T_z
• Electric charge: Q

Combinations:

• Hypercharge: Y
  • Y=2(Q-I_z)
• Weak hypercharge: Y_W
  • Y_W=2(Q-T_z)
  • Y_W=B−L

Related topics:

• CPT symmetry
• CKM matrix
• CP symmetry
• Chirality