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We consider the immediate or near-term experimental opportunities offered by some scenarios that could explain the new diphoton excess at the LHC. If the excess is due to a new particle $X_s$ at 750 GeV, additional new particles are…

高能物理 - 唯象学 · 物理学 2016-07-20 Prateek Agrawal , JiJi Fan , Ben Heidenreich , Matthew Reece , Matthew Strassler

A resonance near 750 GeV has been observed at both the ATLAS and CMS experiments in its diphoton decay channel. We propose a possible interpretation based on a simplified model: a 750 GeV singlet scalar resonance, and a minimal stealth…

高能物理 - 唯象学 · 物理学 2016-01-07 Wei Chao , Ran Huo , Jiang-Hao Yu

Very recently we proposed a predictive 2 Higgs Doublet Model with $S_{3}$ flavour symmetry that successfully accounts for fermion masses and mixings. In this letter, motivated by the $750$ GeV Higgs diphoton resonance recently reported by…

高能物理 - 唯象学 · 物理学 2016-04-21 A. E. Cárcamo Hernández , I. de Medeiros Varzielas , E. Schumacher

The ATLAS and CMS experiments at LHC observe small excesses of diphoton events with invariant mass around 750 GeV. Here we study the possibility of nearly parity degenerate and vector-scalar degenerate spectra as well as composite dynamics…

高能物理 - 唯象学 · 物理学 2016-03-21 Diogo Buarque Franzosi , Mads T. Frandsen

The evidence of a new scalar particle $X$ from the 750 GeV diphoton excess, and the absence of any other signal of new physics at the LHC so far suggest the existence of new colored scalars, which may be moderately light and thus can induce…

高能物理 - 唯象学 · 物理学 2016-03-09 Junjie Cao , Chengcheng Han , Liangliang Shang , Wei Su , Jin Min Yang , Yang Zhang

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…

高能物理 - 唯象学 · 物理学 2016-04-12 Ketan M. Patel , Pankaj Sharma

We suggest that the recently observed diphoton excess at 750 GeV comes from a quasi-degenerate bunch of gauge singlet scalars produced and decaying through one or more vector-like fermions. This explains the broad nature of the resonance,…

高能物理 - 唯象学 · 物理学 2016-03-09 Indrani Chakraborty , Anirban Kundu

We discuss the 750 GeV diphoton excess at the LHC@13TeV in the framework of leptophobic U(1)$^\prime$ model inspired by $E_6$ grand unified theory (GUT). In this model, the Standard Model (SM) chiral fermions carry charges under extra…

高能物理 - 唯象学 · 物理学 2016-04-21 P. Ko , Yuji Omura , Chaehyun Yu

We provide a possible explanation of a 750 GeV diphoton excess recently reported by both the ATLAS and CMS collaborations in the context of phenomenological spin-2 resonance scenarios, where the independent effective couplings of the…

高能物理 - 唯象学 · 物理学 2016-04-13 Antony Martini , Kentarou Mawatari , Dipan Sengupta

We propose an explanation of the LHC data excess resonance of 750 GeV in the diphoton distribution using D-brane models, with gauged baryon number, which accommodate the Standard Model together with vector like exotics. We identify the 750…

高能物理 - 唯象学 · 物理学 2016-08-03 Christos Kokorelis

The recent results of 13 TeV ATLAS and CMS di-photon searches show an excess at di-photon invariant mass of 750 GeV. We look for possible explanation of this within minimal left right symmetric model (MLRSM). The possible candidate is a…

高能物理 - 唯象学 · 物理学 2016-01-01 Arnab Dasgupta , Manimala Mitra , Debasish Borah

Motivated by the recent diphoton excess reported by both the ATLAS and CMS collaborations, we provide a model-independent combination of diphoton results obtained at $\sqrt{s}=8$ and 13 TeV at the LHC. We consider resonant s-channel…

高能物理 - 唯象学 · 物理学 2016-05-25 Jong Soo Kim , Krzysztof Rolbiecki , Roberto Ruiz de Austri

We study the diphoton excesses near $750$ GeV recently reported by the ATLAS and CMS collaborations within the context of a phenomenologically interesting intersecting/magnetized D-brane model on a toroidal orientifold. It is shown that the…

高能物理 - 唯象学 · 物理学 2016-07-13 Tianjun Li , James A. Maxin , Van E. Mayes , Dimitri V. Nanopoulos

The recent ATLAS and CMS diphoton resonance excesses are explored in a simple $U(1)$ gauge theory extension of the Standard Model where the resonance is the Higgs boson of the $U(1)$ symmetry breaking, $\phi$. This particle couples to…

高能物理 - 唯象学 · 物理学 2016-03-23 Spencer Chang

The diphoton excess around $m_S=750$ GeV observed at ATLAS and CMS can be interpreted as coming from $S=H$ and $A$, the neutral components of a second Higgs doublet. If so, then the consistency of the light Higgs decays with the Standard…

高能物理 - 唯象学 · 物理学 2016-06-24 Aielet Efrati , Jernej F. Kamenik , Yosef Nir

The recent excess in diphoton events around 750 GeV seen by the ATLAS and CMS experiments could be hinting at the existence of new vector-like charged matter around the TeV scale which couples to a singlet. Such a spectrum of exotics arises…

高能物理 - 唯象学 · 物理学 2016-05-04 Eran Palti

We explore the possibility that the recently reported diphoton excess at ATLAS and CMS can be accommodated within a minimal extension of a left-right symmetric model. Our setup is able to simultaneously explain the Run 2 diphoton and Run 1…

高能物理 - 唯象学 · 物理学 2016-03-23 Asher Berlin

We argue that the diphoton excess recently reported by ATLAS and CMS can be explained, along with several anomalies seen in the flavor sector, in models where a Standard-Model singlet scalar resonance with mass $M \approx 750$ GeV is…

高能物理 - 唯象学 · 物理学 2016-07-06 Martin Bauer , Matthias Neubert

Physics beyond the Standard Model (SM) may manifest itself as small deviations from the SM predictions for Higgs signal strengths at 125 GeV. Then, a plausible and interesting possibility is that the Higgs sector is extended and at the weak…

高能物理 - 唯象学 · 物理学 2019-11-28 Kiwoon Choi , Sang Hui Im , Kwang Sik Jeong , Chan Beom Park

We provide a theory with a monopole of a strongly-interacting hidden U(1) gauge symmetry that can explain the 750-GeV diphoton excess reported by ATLAS and CMS. The excess results from the resonance of monopole, which is produced via gluon…

高能物理 - 唯象学 · 物理学 2016-06-29 Masaki Yamada , Tsutomu T. Yanagida , Kazuya Yonekura