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74 6.1 Die Myon-Lebensdauer
Operator Γ bSM /Γ SM Kopplung Flavor
O ll(1)
O ll(3)
− 8v2
Λ 2 Re(α) |Re(α)| ∼ < 4.06 × 10 −2 (eµµe), (µeeµ)
v 4
Λ 4 |α|2 |α| ∼
< 3.36 (eµµµ), (µeµµ), (µµeµ), (µµµe),
(µeee), (eµee), (eeµe), (eeeµ),
(µeeτ), (µeτe), (µeττ), (µeµτ),
(µτµe), (µτeµ), (µeτµ), (eµeτ),
(eµτe), (eµττ), (eµµτ), (τµµe),
(τµeµ), (eµτµ), (eτµe), (τeµe),
(ττµe), (eτeµ), (τeeµ), (ττeµ)
4v 4
Λ 4 |α|2 |α| ∼
< 1.68 (eµeµ), (µeµe)
− 8v2
Λ 2 |Re(α)| |Re(α)| ∼ < 4.06 × 10 −2 (µµee), (eeµµ)
− 2v2
Λ 2 |Re(α)| |Re(α)| ∼ < 0.162 (µeeµ), (eµµe)
v 4
Λ 4 |α|2 |α| ∼
< 3.36
4v 4
Λ 4 |α|2 |α| ∼
< 1.68
(µeee), (eµee), (eeµe), (eeeµ)
(eµµµ),(µeµµ),(µµeµ), (µµµe)
(µeeτ), (µeτe), (µeττ),(µeµτ),
(µτµe),(µτeµ),(µeτµ), (eµeτ),
(eµττ), (eµµτ),(τµµe),(τµeµ),
(eµτµ), (eτµe), (τeµe),
(ττµe), (τeeµ), (ττeµ)
(µeµe), (eµeµ), (µτee),(µττe),
(µµeτ),(τµee), (τµeτ),(eeµτ),
(τeµτ),(τeµµ),(eτµµ),(eeτµ),
(eτeµ), (eττµ), (µµτe)
O le
v 4
4Λ 4 |α|2 |α| ∼
< 6.70 (eeµe), (eeµµ), (µeµµ), (µeµe)
(eµee), (eµeµ), (µµeµ), (µµee)
(eeµτ), (µeµτ), (τeµτ), (τeµe),
(τeµµ), (τµee), (τµeµ), (τµeτ),
(eµeτ), (µµeτ)
Tab. 6.2.: Schranken für die Kopplungen der Vier-Fermion-Operatoren bei Λ = 1 TeV anhand
der Messung der Myon-Lebensdauer.