LHC constraints on the minimal Dirac gaugino model
Guillaume Chalons (LPSC, Grenoble), Mark Goodsell (Paris, LPTHE),, Sabine Kraml (LPSC, Grenoble), Humberto Reyes-Gonz\'alez (LPSC, Grenoble) and, Sophie L. Williamson (Paris, LPTHE, KIT, Karlsruhe)
TL;DR
This paper investigates how LHC constraints on gluinos and squarks differ in the minimal Dirac gaugino model compared to the MSSM, due to altered particle properties and production rates.
Contribution
It provides the first detailed analysis of LHC limits on gluinos and squarks within the minimal Dirac gaugino model, highlighting phenomenological differences from the MSSM.
Findings
Enhanced gluino production cross sections.
Suppressed squark production cross sections.
Distinct LHC signatures compared to MSSM.
Abstract
Most SUSY searches at the LHC are optimised for the MSSM, where gauginos are Majorana particles. By introducing Dirac gauginos, we obtain an enriched phenomenology, from which considerable differences in the LHC signatures and limits are expected as compared to the MSSM. Concretely, in the minimal Dirac gaugino model (MDGSSM) we have six neutralino and three chargino states. Moreover, production cross sections are enhanced for gluinos, while for squarks they are suppressed. In this contribution, we explore the consequences of the current LHC limits on gluinos and squarks in this model.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Dark Matter and Cosmic Phenomena · Black Holes and Theoretical Physics