Exploring charge and color breaking vacuum in non-holomorphic MSSM

• Main Authors: Jyotiranjan Beuria, Abhishek Dey
• Format: Article
• Language: English
• Published: SpringerOpen 2017-10-01
• Series: Journal of High Energy Physics
• Subjects: Supersymmetry Phenomenology
• Online Access: http://link.springer.com/article/10.1007/JHEP10(2017)154

Abstract Non-Holomorphic MSSM (NHSSM) shows various promising features that are not easily obtained in MSSM. However, the additional Non-Holomorphic (NH) trilinear interactions that attribute to the interesting phenomenological features, also modify the effective scalar potential of the model significantly. We derive analytic constraints involving trilinear parameters A t ′ and A b ′ that exclude global charge and color breaking minima (CCB). Since the analytic constraints are obtained considering specific directions in the multi-dimensional field space, we further probe the applicability of these constraints by exhaustive scan over NH parameter space with two different regimes of tan β and delineate the nature of metastability by considering vacuum expectation values for third generation squarks. We adhere to a natural scenario by fixing Higgsino mass parameter (μ) to a low value and estimate the allowed ranges of NH trilinear parameters by considering vacuum stability and observed properties of Higgs as the determining criteria.