Keuzecollege Hoge EnergieFysica Katholieke Universiteit ... - EHEF

Spoortheorema’s:
spin som operatoren voor Dirac spinoren:
Tr( 1 ) = 4
Tr( oneven aantal γ-s) = 0
Tr( a/ b/ ) = 4( a ⋅ b)
Tr( a/ b/ c/ d/ ) = 4[ ( a ⋅ b) ( c ⋅ d) + ( a ⋅ d) ( b ⋅ c) – ( a ⋅ c) ( b ⋅ d)
]
Tr( γ 5 a/ ) = 0
Tr( γ 5 a/ b/ ) = 0
Tr( γ 5 a/ b/ c/ ) = 0
Tr( γ 5 a/ b/ c/ d/ ) = 4iε µνλρ
a µ b ν c λ d ρ
∑u α
( p,
s)u β ( p,
s ) = ( p/ + m) αβ
s
s
∑
v α
( p,
s)v β ( p,
s)
= (–/ p + m) αβ
Collegedictaat Hoge Energiefysica 139