PDF - THEP Mainz

Prozesse mit reellem, neutralem Eichboson 133
Operator e + e − [36] µ + µ − [36] (τ + τ − ) [36]
e ± µ ∓ [160] e ± τ ∓ [160] µ ± τ ∓ [161]
OeeB |α| ∼
< 3.03 |α| ∼
< 4.00 |α| ∼
< 4.28
|α| ∼
< 1.40 |α| ∼
< 3.35 |α| ∼
< 3.71
OeB |α| ∼
< 0.799 |α| ∼
< 1.06 |α| ∼
< 1.13
|α| ∼
< 0.261 |α| ∼
< 0.626 |α| ∼
< 0.693
OeW |α| ∼
< 0.438 |α| ∼
< 0.580 |α| ∼
< 0.629
|α| ∼
< 0.143 |α| ∼
< 0.343 |α| ∼
< 0.380
OlB |α| ∼
< 5.44 × 10 5 |α| ∼
< 3.50 × 10 3 |α| ∼
< 221
|α| ∼
< 1.40 |α| ∼
< 3.35 |α| ∼
< 3.71
OlW |α| ∼
< 2.98 × 10 5 |α| ∼
< 1.92 × 10 3 |α| ∼
< 121
|α| ∼
< 0.766 |α| ∼
< 1.84 |α| ∼
< 2.03
Oϕl(1) |Im(α)| ∼
< 0.541 |Im(α)| ∼
< 0.715 |Im(α)| ∼
< 0.765
|α| ∼
< 0.250 |α| ∼
< 0.600 |α| ∼
< 0.663
Oϕl(3) |Re(α)| ∼
< 0.541 |Re(α)| ∼
< 0.715 |Re(α)| ∼
< 0.765
|α| ∼
< 0.250 |α| ∼
< 0.600 |α| ∼
< 0.663
Oϕe |Im(α)| ∼
< 0.541 |Re(α)| ∼
< 0.715 |Re(α)| ∼
< 0.765
|α| ∼
< 0.250 |α| ∼
< 0.600 |α| ∼
< 0.663
ODe |α| ∼
< 4.09 |α| ∼
< 5.42 |α| ∼
< 5.80
|α| ∼
< 1.34 |α| ∼
< 3.21 |α| ∼
< 3.55
O ¯De |α| ∼
< 4.09 |α| ∼
< 5.42 |α| ∼
< 5.80
|α| ∼
< 1.34 |α| ∼
< 3.21 |α| ∼
< 3.55
Tab. 8.4.: Schranken für die Kopplungen bei Λ = 1 TeV aus:
BR(Z → e + e − ) = (3.363 ± 0.004)% [36] BR(Z → e ± µ ∓ ) < 1.7 × 10 −6 [160]
BR(Z → µ + µ − ) = (3.366 ± 0.007)% [36] BR(Z → e ± τ ∓ ) < 9.8 × 10 −6 [160]
BR(Z → τ + τ − ) = (3.370 ± 0.008)% [36] BR(Z → µ ± τ ∓ ) < 1.2 × 10 −5 [161]