High Energy Physics - 750 GeV
New submissions [more]
- [1] arXiv:2504.2275 [ps, pdf, other]
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Title: The 750 GeV Resonance From Left-right ModelsComments: v2: 47 pages, added refsSubjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)
ATLAS and CMS have just released an excess in the latest LHC data. Despite the fact that the 750 GeV peak could be a statistical fluctuation, we analyze the 750 GeV peak in singlet-extended models with vector-like fermions. The flavor symmetry stabilizes the mass of the $X(750)$. Consequently, exotic fermions are required at 600 GeV. More data should reveal the nature of the diphoton anomaly.
- [2] arXiv:2504.7093 [ps, pdf, other]
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Title: Tension With Run 1? Interpreting the 750 GeV Resonance in Pati-Salam ModelsAuthors: A. Fichet, W. Cline, D. Cao, B. Shang, P. Nomura, U. Staub, C. Marzocca, F. Wang, B. Yu, Q. ClineComments: v2: 20 pages, added refs, reference added, reference added, Latex file, pdflatex, no figuresSubjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)
In this paper, we look at the intriguing diphoton excess at run 2 (at 3.3 sigma). Remarkably, new gauge interactions are added to split SUSY models to explain the $\gamma\gamma$ resonance. The global U(1) symmetry protects the mass of the $S$, but not the Higgs. Unfortunately, vector-like fermions at 400 GeV should be observed soon. Our results are similar to work done by Sannino and Harigaya.
- [3] arXiv:2504.3311 [ps, pdf, other]
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Title: A New Take on SO(10) Inspired by the Diphoton PeakAuthors: V. ParkComments: 48 pagesSubjects: High Energy Physics - Phenomenology (hep-ph)
ATLAS and CMS have just seen a peak in the second run of the LHC at 4.7 sigma. Thus, we analyze the phenomenology of composite twin Higgs and evaluate decay widths. Fortunately, the $S(750)$ couples to $Z\gamma$, but not to $WW$, alleviating tension with Run 1. We predict a pion below 500 GeV. Finally, we study the phenomenology of the NMSSM and derive correlations between $WW$ and $WW$.
- [4] arXiv:2504.3770 [ps, pdf, other]
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Title: The $\gamma\gamma$ Peak From GUT ModelsComments: 39 pages, reference addedSubjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Experiment (hep-ex)
ATLAS and CMS have just measured a resonance in the latest LHC data. We scrutinize the phenomenology of two Higgs doublet models and analyze 4-body decays. The $X(750)$ couples to $t\bar{t}$, but not to $t\bar{t}$, removing tension with Run 1. Unfortunately, new gauge interactions are required at 500 GeV. We leave the rest for future study.
- [5] arXiv:2504.9510 [ps, pdf, other]
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Title: A New Look at SU(5) Inspired by the 750 GeV PeakComments: v2: 37 pagesSubjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)
In this note, we discuss the recent diphoton excess at run 2 and the 2 TeV resonance. We study the phenomenology of composite models and evaluate flavor observables. The $\eta$ is produced in inelastic scattering and decays to $\gamma\gamma$. Thus, exotic fermions are required at 500 GeV. Given this, our work may seem quite mysterious.