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A CP asymmetry in e+e−→χ̃0iχ̃0j→χ̃0jττ̃k with tau polarization
2004
Physics Letters B
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We propose a CP-odd asymmetry in the supersymmetric process e^+e^- \to \chi^0_i \chi^0_j \to \chi^0_j \tau stau_k by means of the transverse \tau polarization. We calculate the asymmetry and cross sections at a future linear collider in the 500 GeV c.m.s. energy range with longitudinal polarized beams and high luminosity. We work in the Minimal Supersymmetric Standard Model with complex parameters \mu, M_1 and A_\tau. The asymmetry can reach values up to 60 %. We also estimate the sensitivity
doi:10.1016/j.physletb.2003.10.097
fatcat:2hctem7jd5g3zoi5jgdxpgubx4