10.3 Solutions
593
Diagram is the same as in Problem 10.2(iii)
(ii) τ
−
→ μ
−
+ l + l
Fig. 10.16(a) Decay of τ
−
τ
− → ν τ + μ
− + ν μ
(iii) l = ν μ
Fig. 10.16(b) Decay of B
0
meson
10.99 (a) Δ
0
→ pπ
−
The decay Δ
0
→ p + π
− proceeds via strong interaction in which a
gluon is involved. Δ
0
= udd; p = udu; π
−
= du
Fig. 10.17 (a)
593
Diagram is the same as in Problem 10.2(iii)
(ii) τ
−
→ μ
−
+ l + l
Fig. 10.16(a) Decay of τ
−
τ
− → ν τ + μ
− + ν μ
(iii) l = ν μ
Fig. 10.16(b) Decay of B
0
meson
10.99 (a) Δ
0
→ pπ
−
The decay Δ
0
→ p + π
− proceeds via strong interaction in which a
gluon is involved. Δ
0
= udd; p = udu; π
−
= du
Fig. 10.17 (a)