Decay
Branching Ratio
Particle Lifetime
Main Law Violated
99%
4
¥
10
-24
s
energy
momentum
Bose-Einstein Statistics
electric charge
parity & CP
0.00004%
0.00005%
electron & muon number (L
e
,L
µ
)
strangeness
23%
1KeV
G-parity (isospin,C)
99.8%
0.1%
1
¥
10
-10
s
strangeness
P,C
baryon number (B)
lepton number (L)
<10
-11
2µs
L
e
& L
µ
0.2%
5
¥
10
-8
s
CP
>10
33
y
B & L