vi CONTENTS 6 New Physics Beyond <strong>the</strong> Standard Model 49 6.1 New Physics in B 0 - ¯ B 0 Oscillations . . . . . . . . . . . . . . . . . . . 49 6.2 Charged Higgs Contributions to Leptonic B ± Decays . . . . . . . . . 54 7 Conclusions and Perspectives 57 A The Inami-Lim Functions 59 B Additional Figures <strong>of</strong> New Physics in B 0 - ¯B 0 Oscillations 61 C Testjob 65 D Source Code 67 D.1 Tableau . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 D.2 dTableauO2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 D.3 LoadLUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 E User Guide 71 E.1 <strong>Ma<strong>the</strong>matica</strong> Terminology . . . . . . . . . . . . . . . . . . . . . . . . 71 E.2 Datacards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 E.3 Input Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 E.4 Theory <strong>Package</strong> Tutorial . . . . . . . . . . . . . . . . . . . . . . . . . 77 Bibliography 97 Danksagung 103 Erklärung 105
List <strong>of</strong> Figures 2.1 The rescaled Unitarity Triangle . . . . . . . . . . . . . . . . . . . . . 7 2.2 Box diagram contribution to K 0 - ¯ K 0 mixing . . . . . . . . . . . . . . 9 2.3 Box diagram contribution to B 0 - ¯ B 0 mixing . . . . . . . . . . . . . . 10 4.1 The fit process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 4.2 The minimization routine file system . . . . . . . . . . . . . . . . . . 21 4.3 Comparison plots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 5.1 CL on <strong>the</strong> UT angles α and γ . . . . . . . . . . . . . . . . . . . . . . 31 5.2 Tree-level contributions to leptonic B + decays in <strong>the</strong> SM . . . . . . . 33 5.3 The Standard Global CKM Fit in <strong>the</strong> (¯ρ,¯η) plane . . . . . . . . . . . 40 5.4 CL on A, λ, ¯ρ, ¯η, J, α, β and γ . . . . . . . . . . . . . . . . . . . . . 41 5.5 CL on |Vub|incl and sin 2β . . . . . . . . . . . . . . . . . . . . . . . . 42 5.6 CL on B(B + → τ + ντ ) and B(B + → µ + νµ) . . . . . . . . . . . . . . . 43 5.7 CL in <strong>the</strong> (¯ρ,¯η) plane obtained from B(B + → τ + ντ ) and ∆md . . . . 43 5.8 SM fit results in <strong>the</strong> (¯ρ,¯η) plane . . . . . . . . . . . . . . . . . . . . . 45 5.9 CL on ASL including LO and NLO QCD corrections . . . . . . . . . 46 6.1 Constraints on NP from |Vud|, |Vus|, |Vub|, |Vcb|, ∆md, sin 2β . . . . . 50 6.2 Constraints on NP from |Vud|, |Vus|, |Vub|, |Vcb|, ∆md, sin 2β, cos 2β 51 6.3 Constraints on NP from |Vud|, |Vus|, |Vub|, |Vcb|, ∆md, sin 2β, cos 2β, γ 51 6.4 Constraints on NP from |Vud|, |Vus|, |Vub|, |Vcb|, ∆md, sin 2β, cos 2β, γ, α . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 6.5 Constraints on NP from |Vud|, |Vus|, |Vub|, |Vcb|, ∆md, sin 2β, cos 2β, γ, α, ASL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 6.6 CL on <strong>the</strong> NP parameters r 2 d and 2ϑd . . . . . . . . . . . . . . . . . 53 6.7 Tree-level contribution from charged Higgs bosons to B + → τ + ντ . . 54 6.8 Constraints on (tan β,m H +) from B(B + → τ + ντ ) . . . . . . . . . . . 55 B.1 Constraints on NP from |Vud|, |Vus|, |Vub|, |Vcb|, ∆md, cos 2β . . . . 61 B.2 Constraints on NP from |Vud|, |Vus|, |Vub|, |Vcb|, ∆md, α . . . . . . . 62 B.3 Constraints on NP from |Vud|, |Vus|, |Vub|, |Vcb|, ∆md, ASL . . . . . 62 B.4 Constraints on NP from |Vud|, |Vus|, |Vub|, |Vcb|, ∆md, sin 2β, cos 2β, α 63 B.5 Constraints on NP from |Vud|, |Vus|, |Vub|, |Vcb|, ∆md, ASL . . . . . 63 vii