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Title: A flippon related singlet at the LHC II

Here, we consider the 750 GeV diphoton resonance at the 13 TeV LHC in the ℱ-SU(5) model with a Standard Model (SM) singlet field which couples to TeV-scale vector-like particles, dubbed flippons. This singlet field assumes the role of the 750 GeV resonance, with production via gluon fusion and subsequent decay to a diphoton via the vector-like particle loops. We present a numerical analysis showing that the observed 8 TeV and 13 TeV diphoton production cross-sections can be generated in the model space with realistic electric charges and Yukawa couplings for light vector-like masses. We further discuss the experimental viability of light vector-like masses in a General No-Scale ℱ-SU(5) model, offering a few benchmark scenarios in this consistent GUT that can satisfy all experimental constraints imposed by the LHC and other essential experiments.
Authors:
 [1] ;  [2] ;  [3] ;  [4]
  1. Chinese Academy of Sciences, Beijing (People's Republic of China); Univ. of Chinese Academy of Sciences, Beijing (People's Republic of China); Univ. of Electronic Science and Technology of China, Chengdu (People's Republic of China)
  2. The Univ. of Tulsa, Tulsa, OK (United States)
  3. Univ. of Houston-Clear Lake, Houston, TX (United States)
  4. Texas A & M Univ., College Station, TX (United States); Houston Advanced Research Center (HARC), Spring, TX (United States); Academy of Athens, Athens (Greece)
Publication Date:
Grant/Contract Number:
FG02-13ER42020; SC0010813
Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2016; Journal Issue: 6; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Research Org:
Texas A&M Univ., College Station, TX (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Phenomenological Models; Supersymmetry Phenomenology
OSTI Identifier:
1395347