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Related papers: Explaining the 96 GeV Di-photon Anomaly in a Gener…

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Higgs-flavon fields appear as a part of the Froggatt-Nielsen (FN) mechanism, which attempts to explain the hierarchy of Yukawa couplings. We explore the possibility that the 750 GeV diphoton resonance recently reported at the LHC13, could…

High Energy Physics - Phenomenology · Physics 2016-10-18 A. Bolaños , J. L. Diaz-Cruz , G. Hernández-Tomé , G. Tavares-Velasco

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

The Two Higgs Doublet model extended with a complex scalar singlet (2HDMS) is a well-motivated Beyond Standard Model candidate addressing several open problems of nature. In this work, we focus on the dark matter (DM) phenomenology of the…

High Energy Physics - Phenomenology · Physics 2024-09-20 Juhi Dutta , Jayita Lahiri , Cheng Li , Gudrid Moortgat-Pick , Sheikh Farah Tabira , Julia Anabell Ziegler

Current experimental data from the $g-2$ muon factor, seems to show the necessity of physics beyond the Standard Model (SM), since the difference between SM and experimental predictions is 2.6$\sigma $. In the framework of the General Two…

High Energy Physics - Phenomenology · Physics 2013-05-29 Rodolfo A. Diaz , R. Martinez , J. -Alexis Rodriguez

For the newly discovered $W$-boson mass anomaly, one of the simplest dark matter (DM) models that can account for the anomaly without violating other astrophysical/experimental constraints is the inert two Higgs doublet model, in which the…

High Energy Astrophysical Phenomena · Physics 2023-03-17 Cheng-Rui Zhu , Ming-Yang Cui , Zi-Qing Xia , Zhao-Huan Yu , Xiaoyuan Huang , Qiang Yuan , Yi-Zhong Fan

There exist about $3.7\sigma$ positive and $2.4\sigma$ negative deviations in the muon and electron anomalous magnetic moments ($g-2$). Also, some ratios for lepton universality in $\tau$ decays have almost $2\sigma$ deviations from the…

High Energy Physics - Phenomenology · Physics 2019-05-29 Xiao-Fang Han , Tianjun Li , Lei Wang , Yang Zhang

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

We revisit the generalized two-Higgs-doublet model (2HDM) with a minimally perturbed lepton specific (Type-X) Yukawa sector in context of the muon collider. The model offers a large region of parameter space where it can provide a solution…

High Energy Physics - Phenomenology · Physics 2025-01-14 Nandini Das , Nivedita Ghosh

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 2021-12-23 S. Heinemeyer , C. Li , F. Lika , G. Moortgat-Pick , S. Paasch

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

Diboson resonance with mass around 2 TeV in the dijet invariant mass spectrum is reported by ATLAS experiment in proton-proton collisions at $\sqrt{s}=8$ TeV. We propose that the candidate of resonance is a heavy neutral Higgs $H^0$ or…

High Energy Physics - Phenomenology · Physics 2015-09-30 Chuan-Hung Chen , Takaaki Nomura

We explore the parameter regions in the complex Two Higgs Doublet Model (c2HDM) with explicit CP violation that can describe current LHC hints for one or more Higgs boson signals at 125 GeV. Such a simple extension of the Standard model has…

High Energy Physics - Phenomenology · Physics 2012-05-25 Abdesslam Arhrib , Rachid Benbrik , Chuan-Hung Chen

Updating various theoretical and experimental constraints on the four different types of two-Higgs-doublet models (2HDMs), we find that only the ``lepton-specific" (or ``type X") 2HDM can explain the present muon g$-$2 anomaly in the…

High Energy Physics - Phenomenology · Physics 2016-09-21 Eung Jin Chun

One of the main motivations to look beyond the SM is the discrepancy between the theoretical prediction and observation of anomalous magnetic moment of muon. Alleviating this tension between theory and experiment and satisfying the bounds…

High Energy Physics - Phenomenology · Physics 2021-03-24 Nivedita Ghosh , Jayita Lahiri

We address the observed discrepancies in the anomalous magnetic dipole moments (MDM) of the muon and electron by extending the inert two Higgs Doublet Model (2HDM) with SM gauge singlet complex scalar field and singlet Vector-like Lepton…

High Energy Physics - Phenomenology · Physics 2021-11-10 Hrishabh Bharadwaj , Sukanta Dutta , Ashok Goyal

The ATLAS and CMS experiments at the LHC have found significant excess in the diphoton invariant mass distribution near 750 GeV. We interpret this excess in a predictive nonsupersymmetric SU(5) grand unified framework with a singlet scalar…

High Energy Physics - Phenomenology · Physics 2016-04-12 Ketan M. Patel , Pankaj Sharma

A new report for the measurement of the W boson mass has been provided by the CDF II experiment. The measured value of the W boson mass is given to be $m_W^{\text{CDF II}} = 80.4335 \pm 0.0094$ GeV which shows $7\sigma$ deviation from the…

High Energy Physics - Phenomenology · Physics 2022-06-08 Shinya Kanemura , Kei Yagyu

Statistically significant excesses exist at around 152 GeV in associated di-photon production ($\gamma\gamma+X$) in the sidebands of SM Higgs analyses of ATLAS (using the full run-2 dataset). They are most pronounced in the single-$\tau$,…

High Energy Physics - Phenomenology · Physics 2024-10-15 Sumit Banik , Andreas Crivellin

A recent search for the lepton flavor violating (LFV) decays of the Higgs boson, performed by CMS collaboration, reports an interesting deviation from the standard model (SM). The search conducted in the channel $H\rightarrow \mu\tau_e$ and…

High Energy Physics - Phenomenology · Physics 2016-10-12 Biplob Bhattacherjee , Sabyasachi Chakraborty , Swagata Mukherjee

We consider the di-photon signal arises from two bunches of collimated photon jets emitting from a pair of highly boosted scalars. Following the discussion of detecting the photon jets at the collider, we extend the two-Higgs-doublet model…

High Energy Physics - Phenomenology · Physics 2016-06-07 Yun Jiang , Lingfeng Li , Rui Zheng