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E - Carleton University

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Electroweak Interactions<br />

L ( em NC) = e<br />

with<br />

f = e, μ,<br />

τ , ν , ν μ<br />

, ν ,<br />

J em<br />

A μ<br />

g<br />

L( weak NC) =<br />

μ<br />

+<br />

cosθ<br />

e<br />

τ<br />

W<br />

μ<br />

u, c, t,d,s, b<br />

f<br />

f<br />

(<br />

0 2 em<br />

J sin θ J ) Z<br />

μ<br />

W<br />

μ<br />

γ<br />

Z<br />

0<br />

f<br />

f<br />

+<br />

W or W<br />

−<br />

ν<br />

l<br />

or ν l<br />

+<br />

W or W<br />

−<br />

q′<br />

+ −<br />

l or l<br />

L(weak<br />

with l = e, μ , τ<br />

CC) =<br />

g<br />

2<br />

(<br />

+ μ−<br />

− μ+<br />

J W + J W )<br />

μ<br />

μ<br />

FAAQ2006 Alain Bellerive 17<br />

q<br />

with q = u,c, t and q′<br />

= d,s,b

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