2016/10/28 by M. Demirci, A. I. Ahmadov · 1 citation
Physics and Astronomy · #Black Holes and Theoretical Physics #Collider #Detector #Gaugino #Higgsino #High-Energy Particle Collisions Research #International Linear Collider #Large Hadron Collider #Neutralino #Nuclear physics #Pair production #Parameter space #Particle physics #Particle physics theoretical and experimental studies #Photon #Physics #Production (economics) #Quantum mechanics #Statistics #Supersymmetry #hep-ph
paper · pdf · doi:10.1103/physrevd.94.075025
published as Physical Review D 94, 075025 (2016) · 13 pages, 12 figures, 3 tables
arxiv created 2016/10/28 · openalex publication_date 2016/10/31 · arxiv updated 2016/11/02 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We provide complete one-loop predictions for the direct production of the neutralino pairs via photon-photon collisions which appears for the first time at one-loop level in the minimal supersymmetric standard model at the International Linear Collider. We present a comprehensive investigation of the dependence of total cross section on the center-of-mass energy and the tan\ensuremathβ for three different scenarios based on gaugino/Higgsino fractions of the neutralinos. Furthermore, by investigating the behavior with the most relevant parameters \ensuremathμ and M2, we exhibit regions of the parameter space where the enhancement of the cross section is large enough to be detectable at linear colliders. Our analysis shows that the corresponding production cross section reaches its highest values when the lightest neutralino \stackrel\texttildelow\ensuremathχ10 has a dominant Higgsino component and/or the next-to-lightest neutralino \stackrel\texttildelow\ensuremathχ20 has a dominant gaugino component.