Radiative Corrections to Chargino Production in Electron-Positron Collisions with Polarised Beams
Marco A. Díaz, Stephen F. King, Douglas A. Ross
Abstract
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 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 β the corrections can be of order 30%, allowing sensitivity to the squark mass parameters.
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