CP violation in unpolarized e^+ e^- to charginos at one loop level

Details CP violation in unpolarized e^+ e^- to charginos at one loop level CP violation in unpolarized e^+ e^- to charginos at one loop level

2007-04-17

arxiv.org/abs/0704.2165v3

Phys.Rev.D76:036001,2007; Erratum-ibid.D76:036001,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

similar to Phys. Rev. D version, but corrected figs. 4, 5, 6 (factor four)

Scientific paper

10.1103/PhysRevD.76.036001

We study CP violation in e^+ e^- to \tilde\chi_i^+\tilde\chi_j^- in the framework of the MSSM. Though the cross section of this process is CP-even at the tree level even for polarized electron-positron beams, we show that it contains a CP-odd part at the one loop order and there are CP-odd observables that can in principle be measured even using unpolarized electron-positron beams. The relevant diagram calculations are briefly discussed and the results of selected (box) diagram computations are shown.

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