Light scalars within the CP-conserving Aligned-two-Higgs-doublet model

被引：0
作者：
Coutinho, Antonio M. [1 ]
Karan, Anirban [1 ]
Miralles, Victor [2 ]
Pich, Antonio [1 ]
机构：
[1] Univ Valencia, Inst Fis Corpuscular, CSIC, Parque Cient,Catedrat Jose Beltran 2, E-46980 Paterna, Spain
[2] Univ Manchester, Dept Phys & Astron, Oxford Rd, Manchester M13 9PL, England
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2025年 / 02期
基金：
欧洲研究理事会;
关键词：
Multi-Higgs Models; Specific BSM Phenomenology; HIGGS-DOUBLET MODELS; FLAVOR VIOLATION; S-GAMMA; MUON; CONSTRAINTS; MATRIX; 2HDM; G-2;
D O I：
10.1007/JHEP02(2025)057
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
In this article we study the possibility that neutral and charged scalars lighter than the 125 GeV Higgs boson might exist within the framework of the CP-conserving Aligned-two-Higgs-doublet model. Depending on which new scalar (scalars) is (are) light, seven different scenarios may be considered. Using the open-source code HEPfit, which relies on Bayesian statistics, we perform global fits for all seven light-mass scenarios. The constraints arising from vacuum stability, perturbativity, electroweak precision observables, flavour observables, Higgs signal strengths, and direct-detection results at the LEP and the LHC are taken into account. Reinterpreted data from slepton searches are considered too. It turns out that the seven scenarios contain sizeable regions of their parameter space compatible with all current data. Although not included in the global fits, the possible implications of (g - 2)mu are also addressed.
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