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Signature of the maximally symmetric 2HDM via W±/Z-quadruplet productions at the LHC

机译:通过LHC的W±/ Z-Quadruplet Productions签名最大对称2HDM

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We consider the maximally symmetric two-Higgs doublet model (MS-2HDM) in which the so-called Standard Model (SM) alignment can be achieved naturally by the virtue of an SO(5) symmetry imposed on the 2HDM. We investigate the signature of the MS-2HDM via p p → H X → V V * X and p p → H H X → V V * V ′ V ′ * X processes at the LHC for different values of tan β . We perform our calculations with next-to-leading-order (NLO) QCD accuracy, using the herwig7 multipurpose event generator at s = 13 ? ? TeV center-of-mass energy. We show that the production of single SM-like Higgs bosons via W ± / Z pairs is completely aligned with the SM. Interestingly, the presence of the heavy Higgs states significantly enhances the cross section for the W ± / Z -quadruplet production channels in the low- p ⊥ regions. These vital analyses may aid the future discovery of this minimal and very predictive extension of the SM and can be generalized to other realizations of the 2HDM.
机译:我们考虑最大对称的二千分和MS-2HDM),其中可以通过在2HDM上施加的SO(5)个对称性的型号来自然地实现所谓的标准模型(SM)对准。 我们通过P P→H X→V v * X和P P→H→H→H→H H→H→→v * v'→v v * v'→v v * v'→v v * v'v'* x进程的签字。 我们使用= 13的Herwig7多功能事件发生器进行下一阶(NLO)QCD精度来执行计算。 还 TEV群众能源。 我们表明,通过W±/ Z对的单个Sm样Higgs玻色子的生产与SM完全对齐。 有趣的是,重型HIGGS状态的存在显着增强了低于低位区W±/ Z -Quadruplet生产通道的横截面。 这些生命分析可以帮助未来发现这一最小和非常预测的SM的扩展,并且可以推广到2HDM的其他实现。

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