2012/08/23 by Namit Mahajan, Mahajan, Namit
Physics and Astronomy · #Atomic and Subatomic Physics Research #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Particle physics theoretical and experimental studies #hep-ph
paper · pdf · doi:10.48550/arxiv.1208.4725
9 pages
arxiv created 2012/08/23 · openalex publication_date 2012/08/23 · arxiv updated 2012/08/24 · openalex created_date 2022/10/01 · openalex updated_date 2026/07/28
The recently observed Higgs like resonance at 125 GeV shows an enhanced rate in the diphoton channel, while being roughly consistent with the standard model expectation for the WW^* and ZZ^* channels. Such an enhancement is possible due to anomalous gauge boson couplings. We explore this feature within a minimal extension of the standard model, where a singlet scalar is introduced which also plays the role of the dark matter candidate. It is argued that such a minimal scenario, without new charged particles, can in principle lead to the desired enhancement of the diphoton rate via the induced anomalous gauge couplings, and at the same time improve the stability of the electroweak vacuum.