High Energy Physics - 750 GeV

New submissions [more]

[1]  arXiv:2504.0564 [ps, pdf, other]
Title: Spin-3/2? Interpretations in Georgi-Machacek Models
Comments: v3: updated figure 1, conclusions unchanged, no figures, JHEP3
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Experiment (hep-ex)

In this paper, we look at the recent diphoton peak at run 2. Remarkably, we consider the $\gamma\gamma$ resonance in minisplit SUSY models. The R symmetry stabilizes the mass of the resonance. Vector-like quarks are required at 400 GeV. Finally, we consider the diphoton excess in large N QCD.

[2]  arXiv:2504.7374 [ps, pdf, other]
Title: Interpretations of the $\gamma\gamma$ Peak in Extensions of E6
Comments: v4: 3 pages
Subjects: High Energy Physics - Phenomenology (hep-ph)

In this paper, we discuss the very recent diphoton excess at run 2 and the strong CP problem. Actually, we scrutinize the 750 GeV excess in the NMSSM on AdS_5. The shift symmetry protects the mass of the $S(750)$. The $\gamma\gamma$ resonance implies heavy scalars around 800 GeV. We will provide more details in a future paper.

[3]  arXiv:2504.8359 [ps, pdf, other]
Title: The $\gamma\gamma$ Anomaly as an Axino
Authors: D. Yu, A. Chiang
Comments: 10 pages
Subjects: High Energy Physics - Phenomenology (hep-ph)

Just recently, ATLAS and CMS have observed a resonance in run 2 of the LHC. Moreover, we analyze the phenomenology of minisplit SUSY models and predict production rates. Curiously, the shift symmetry stabilizes the mass of the $X$. We predict a KK graviton below 600 GeV. Finally, we analyze the 750 GeV peak in 2HDMs on AdS_5.

[4]  arXiv:2504.5703 [ps, pdf, other]
Title: The $\gamma\gamma$ Peak as an Electroweak Triplet
Authors: O. Sanz
Comments: v2: 21 pages
Subjects: High Energy Physics - Phenomenology (hep-ph)

In this letter, we address the very recent diphoton peak at run 2 (at 4.5 sigma). We scrutinize the $\gamma\gamma$ anomaly in E6. The R symmetry protects the mass of the $\eta$, but not the Higgs. Surprisingly, colored pions are required at 600 GeV. More data should reveal the nature of the diphoton resonance.

[5]  arXiv:2504.5113 [ps, pdf, other]
Title: The Diphoton Anomaly as an Eta
Authors: M. Wang, B. Ibe
Comments: 28 pages, minor corrections, Latex file
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)

In this letter, we look at the very recent diphoton peak at run 2 and the galactic center excess. Consequently, we scrutinize the 750 GeV resonance in Pati-Salam models with colored pions. The $X(750)$ couples to $b\bar{b}$, but not to $WW$, decreasing tension with Run 1. Unfortunately, we predict a color sextet below 300 GeV. Finally, we consider the 750 GeV excess in Seesaw models on a D3-brane.

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