particle

structure

Q

p

g

e +

T T T

+1

+1

0

u

T T V ¯

+ 2 3

+ 1 3

0

d ¯

T V ¯ V ¯

+ 1 3

1 3

0

ν e

V ¯ V ¯ V ¯

0

−1

0

ν ¯ e

V V V

0

+1

0

d

T ¯ V V

1 3

+ 1 3

0

u ¯

T ¯ T ¯ V

2 3

1 3

0

e

T ¯ T ¯ T ¯

−1

−1

0