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Related papers: A 96 GeV Higgs Boson in the 2HDM plus Singlet

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We discuss a $\sim 3\,\sigma$ signal (local) in the light Higgs-boson search in the diphoton decay mode at $\sim 96$ GeV as reported by CMS, together with a $\sim 2\,\sigma$ excess (local) in the $b \bar b$ final state at LEP in the same…

High Energy Physics - Phenomenology · Physics 2020-01-29 T. Biekötter , M. Chakraborti , S. Heinemeyer

We discuss a ~3 sigma signal (local) in the light Higgs-boson search in the diphoton decay mode at ~96 GeV as reported by CMS, together with a ~2 sigma excess (local) in the bb final state at LEP in the same mass range. We review the…

High Energy Physics - Phenomenology · Physics 2019-05-10 T. Biekötter , M. Chakraborti , S. Heinemeyer

The CMS collaboration reported an intriguing $\sim 3 \, \sigma$ (local) excess at $96\;$GeV in the light Higgs-boson search in the diphoton decay mode. This mass coincides with a $\sim 2 \, \sigma$ (local) excess in the $b\bar b$ final…

High Energy Physics - Phenomenology · Physics 2019-10-16 T. Biekötter , M. Chakraborti , S. Heinemeyer

The CMS collaboration reported a $\sim 3 \, \sigma$ (local) excess at $96\;$GeV in the search for light Higgs-boson decaying into two photons. This mass coincides with a $\sim 2 \, \sigma$ (local) excess in the $b\bar b$ final state at LEP.…

High Energy Physics - Phenomenology · Physics 2021-05-25 S. Heinemeyer , C. Li , F. Lika , G. Moortgat-Pick , S. Paasch

The CMS collaboration reported an intriguing \sim 3 sigma (local) excess at 96 GeV in the light Higgs-boson search in the diphoton decay mode. This mass coincides with a \sim 2 sigma (local) excess in the bb final state at LEP. We briefly…

High Energy Physics - Phenomenology · Physics 2021-09-22 T. Biekötter , M. Chakraborti , S. Heinemeyer

The CMS collaboration reported an intriguing \sim 3 sigma (local) excess at 96 GeV in the light Higgs-boson search in the diphoton decay mode. This mass coincides with a \sim 2 sigma (local) excess in the bb final state at LEP. We present…

High Energy Physics - Phenomenology · Physics 2020-02-18 T. Biekötter , M. Chakraborti , S. Heinemeyer

In 2018 CMS reported an excess in the light Higgs-boson search in the diphoton decay mode at about 95GeV based on Run 1 and first year Run 2 data. The combined local significance of the excess was $2.8\,\sigma$. The excess is compatible…

High Energy Physics - Phenomenology · Physics 2022-08-23 Thomas Biekötter , Sven Heinemeyer , Georg Weiglein

Recent searches by the CMS collaboration at the Large Hadron Collider (LHC) in the `diphoton plus $b\bar{b}$ final state' have revealed an excess near 650 GeV, which might indicate the presence of a (broad) heavy resonance decaying into a…

High Energy Physics - Phenomenology · Physics 2025-07-01 Rachid Benbrik , Mohammed Boukidi , Khouloud Kahime , Stefano Moretti , Larbi Rahili , Bassim Taki

The CMS collaboration has recently reported the results of a low-mass Higgs-boson search in the di-photon final state based on the full Run 2 data set with refined analysis techniques. The new results show an excess of events at a mass of…

High Energy Physics - Phenomenology · Physics 2024-03-13 T. Biekötter , S. Heinemeyer , G. Weiglein

We suggest an explanation for and explore the consequences of the excess around 95 GeV in the di-photon and di-tau invariant mass distributions recently reported by the CMS collaboration at the Large Hadron Collider (LHC), together with the…

High Energy Physics - Phenomenology · Physics 2024-05-06 Alexander Belyaev , Rachid Benbrik , Mohammed Boukidi , Manimala Chakraborti , Stefano Moretti , Souad Semlali

We explore the possibilities in two-Higgs-doublet models (2HDMs) of Type I and Type II for Higgs states with mass below about 60 GeV, i.e. less than half of the ~125 GeV mass of the observed SM-like Higgs boson. We identify the latter as…

High Energy Physics - Phenomenology · Physics 2015-04-29 Jeremy Bernon , John F. Gunion , Yun Jiang , Sabine Kraml

Motivated by the possible 95 GeV diphoton excess, we investigate the capability of the Type-I Two-Higgs-Doublet Model (2HDM-I) to explain this signal under current theoretical and experimental constraints. Using full Monte Carlo (MC)…

High Energy Physics - Phenomenology · Physics 2026-03-03 Yabo Dong , Kun Wang , Jingya Zhu

Recently the CMS collaboration reported a $\sim 3 \sigma$ local excess in the di-photon spectrum at 96 GeV. The same mass range concurs with a $\sim2 \sigma$ local excess in the $b\bar{b}$ invariant mass spectrum in four-jet events…

High Energy Physics - Phenomenology · Physics 2022-11-22 Rachid Benbrik , Mohammed Boukidi , Stefano Moretti , Souad Semlali

In two Higgs doublet models (2HDM), there exists an interesting possibility, the hidden light Higgs scenario, that the discovered SM-like Higgs boson is the heavier \textit{CP}-even Higgs boson $H^0$ and the lighter \textit{CP}-even $h^0$…

High Energy Physics - Phenomenology · Physics 2016-04-05 Sanghyeon Chang , Sin Kyu Kang , Jong-Phil Lee , Jeonghyeon Song

We analyze the Two-Higgs-Doublet Models (2HDMs) of Type I and II for consistency with the latest measurements of the ~125.5 GeV Higgs-like signal at the LHC. To this end, we perform scans of the 2HDM parameter space taking into account all…

High Energy Physics - Phenomenology · Physics 2015-01-27 Beranger Dumont , John F. Gunion , Yun Jiang , Sabine Kraml

The scenario of two mass-degenerate Higgs bosons within the general two-Higgs-doublet model (2HDM) is revisited. We focus on the global picture when two $CP$-even Higgs bosons of $h$ and $H$ are nearly mass-degenerate. A global fit to the…

High Energy Physics - Phenomenology · Physics 2018-06-27 Ligong Bian , Ning Chen , Wei Su , Yongcheng Wu , Yu Zhang

Charged Higgs bosons are common predictions in most extensions of the Standard Model (SM) Higgs sector. Therefore, their observation would elucidate the nature of the Higgs sector. Motivated by the ATLAS collaboration's latest analysis…

High Energy Physics - Phenomenology · Physics 2024-09-23 Abdesslam Arhrib , Mohamed Krab , Souad Semlali

We briefly summarize some searches for Higgs bosons with a mass of m_phi <= 110 GeV at LEP and the LHC. We discuss a possible signal in the diphoton decay mode at m_phi = 96 GeV as reported by CMS, together with a 2 sigma hint in the bb…

High Energy Physics - Phenomenology · Physics 2018-12-17 S. Heinemeyer , T. Stefaniak

In this work we study the light Higgs scenario in the framework of two Higgs doublet model (2HDM). In this case the heavier CP-even Higgs boson $H$ in 2HDM is the SM-like Higgs with 125 GeV mass and a CP-even Higgs boson $h$ lighter than…

High Energy Physics - Phenomenology · Physics 2020-10-27 Ning Chen , Tong Li , Wei Su , Yongcheng Wu

We investigate the phenomenology of the charged Higgs boson at the International Linear Collider (ILC) within the framework of the type-X Two-Higgs Doublet Model (2HDM), where a light charged Higgs boson, with a mass around 200 GeV or even…

High Energy Physics - Phenomenology · Physics 2025-06-03 Brahim Ait Ouazghour , Abdesslam Arhrib , Kingman Cheung , Es-said Ghourmin , Mohamed Krab , Larbi Rahili
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