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Extra info for CP Violation in Production and Decay of Supersymmetric Particles [thesis]

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3, we fix the trilinear scalar coupling parameter Aτ = 250 GeV. Production of χ ˜+ ˜− 1 χ 1 For the production e+ e− → χ˜+ ˜− i χ i of a pair of charginos the polarization perpendicular to the production plane vanishes, and thus AI = 0. However, AII need not to be zero and is sensitive to ϕµ and ϕM1 , because this asymmetry has contributions from the chargino decay process. 5π, 0) we show in Fig. 5a the |µ|–M2 dependence of AII , which can reach values of 5% − 7% for M2 > ∼ 400 GeV. We also studied the ϕµ dependence of AII in the |µ|–M2 plane.

21b we show the |µ|–M2 dependence of the asymmetry Aℓ . 3 fb, the asymmetry Aℓ thus cannot be measured. 7%. Production of χ˜02 χ˜03 For the process e+ e− → χ ˜02 χ˜03 we discuss the decay χ˜03 → Z χ ˜01 of the heavier neutralino which has a larger kinematically allowed region than that for χ ˜02 → Z χ˜01 . 003 |µ| [GeV] Fig. 22a Fig. 6). The area A (B) is kinematically forbidden by mχ˜02 + mχ˜03 > s (mZ + mχ˜01 > mχ˜03 ). The gray area is excluded by mχ˜± < 104 GeV. 6) and that for ¯ attains the complete process σ = σP (e+ e− → χ ˜02 χ˜03 ) × BR(χ˜03 → Z χ ˜01 ) × BR(Z → ℓℓ) values up to 5 fb in the investigated regions of the |µ|–M2 plane in Fig.

21), the τ − from the neu+ − + + tralino decay χ˜0i → τ˜m τ and the τ + from the subsequent τ˜m decay τ˜m → χ ˜01 τ + have to be distinguished. 4. 6). This choice favors right or left selectron exchange in the neutralino production process, respectively. 6). 6). |Aτ | and tan β. 47). We take into account the restrictions on |Aτ | due to the tree-level vacuum stability conditions [42]. 28) with mA = 1 TeV, such that the neutralino decays into the charged Higgs bosons ∓ 0 χ˜02 → χ˜± ˜02 → χ˜01 H2,3 , n H , as well as decays into the heavy neutral Higgs bosons χ are excluded in our scenarios.

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CP Violation in Production and Decay of Supersymmetric Particles [thesis] by O. Kittel

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