Distinguishing between MSSM and NMSSM with eγScattering

Details Distinguishing between MSSM and NMSSM with eγScattering Distinguishing between MSSM and NMSSM with eγScattering

2000-08-16

arxiv.org/abs/hep-ph/0008167v1

Nucl.Instrum.Meth. A472 (2001) 144-148

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 7 figeres, LaTex, Talk Given at the International Workshop on High Energy Photon Colliders, DESY Hamburg, June 14-17,

Scientific paper

10.1016/S0168-9002(01)01173-1

We study the associated production of selectrons and neutralinos with subsequent leptonic decay of the selectron in e\gamma scattering within the framework of MSSM and NMSSM. Due to the weak couplings of singlino dominated neutralinos, associated neutralino production e^+ + e^- -> neutralino_1 + neutralino_2 at a linear collider can be strongly suppressed in some regions of the parameter space. Then the process e + gamma -> selectron_{L/R} + neutralino_{1/2} -> e + neutralino_{1/2} + neutralino_1 can give additional informations on the underlying theory and the character of neutralino_1 and neutralino_2.

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