Irodov – Problems in General Physics

PARTICLES

SPIN

h

CHARGES

ISOTOPIC

SPIN

STRANG

E

NESS

S

PRINCIPAL

DECAY

Q L B T 7', MODE

1 0 0 0

1 /2 0 +1 0

1 /2 (^) -1 +1 0
1 /2 - 1 +1 0 1.1.---.e-4-v,+: 4 e
0 +1 0 0 1 +1 o ni—R++,9,
o 0 0 0 1 0 0 no_.^2 .t.
o +1 0 0 1 /2^ +1/2 +1 KL. p. 4 + v ,
0 0 0 0 14 -1/2 +1 K^0 --. 2n, n ev
(^0 0 0 0 0 0 0) 1-.2y, 3n
1 /2 +1 0 +1 1/2 +1/2 0
1 /2 0 0 +1^1 /2 -1/2^0 n -..p + e=1-^5 e
1/2 0 0 +1 0 0 -1 it A O -../3 +n-
1/ (^2) +1 0 +1 (^1) +1 - 1 it-N + n
1 /2 - 1 0 +1^1 -^1 -^1 i.--wn + n-
1/2^0 0 +1^1 0 —1 ILA^0 + ),^
1/2 —I 0 +1 1/2 _1/2 -2 ti=./1°+n-
1/2 (^0 0) +1 1 /2 +1/2 -2.^ el,.A^0 + no
3 /2 -^1 0 +1^0 0 -^3 51-.2+n, AN ff -
Note. Particles and corresponding antiparticles have the identical values of mass, mean life,
spin, and isotopic spin T, while their electric Q, lepton L, and baryon B charges, projections
of isotopic spin Tz , and strangeness S, have the values that are opposite in sign.