A quantum number which is conserved in strong interactions and that is the same for all the particles of a multiplet, being equal to twice their average charge quantum number; symbol Y.
Today’s NYT Connections Answers Apr 19, #313 - Daily Updates & Hints
Today’s Wordle Answer Apr 19 #1035- NYT Wordle Hints & Updates
NYT Mini Crossword Answers Today - The Mini for Apr 19 Solved
NYT Strands Today - Hints, Spangram & Answers for April 19