- #1
Phalanx
- 10
- 0
pion u,anti-d spin = 0 mass = 0.140
rho u,anti-d spin = 1 mass = 0.770
so... are pion and rho the same or related? is the difference in spin what accounts for the difference in the mass or vice versa?
rho u,anti-d spin = 1 mass = 0.770
so... are pion and rho the same or related? is the difference in spin what accounts for the difference in the mass or vice versa?