Radiative Corrections to Chargino Production in Electron-Positron Collisions with Polarised Beams

Details Radiative Corrections to Chargino Production in Electron-Positron Collisions with Polarised Beams Radiative Corrections to Chargino Production in Electron-Positron Collisions with Polarised Beams

2000-08-11

arxiv.org/abs/hep-ph/0008117v1

Phys.Rev. D64 (2001) 017701

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, Latex, with 6 figures

Scientific paper

10.1103/PhysRevD.64.017701

We study radiative corrections to chargino production at linear colliders with polarised electron beams. We calculate the one-loop corrected cross-sections for polarised electon beams due to three families of quarks and squarks, working in the $\bar{MS}$ scheme, extending our previous calculation of the unpolarised cross-section with one-loop corrections due to the third family of quarks and squarks. In some cases we find rather large corrections to the tree-level cross-sections. For example for the case of right-handed polarised electrons and large $\tan \beta$ the corrections can be of order 30%, allowing sensitivity to the squark mass parameters.

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