750 GeV diphotons: implications for supersymmetric unification

Hall, Lawrence J.; Harigaya, Keisuke; Nomura, Yasunori

doi:10.1007/JHEP03(2016)017

Title: 750 GeV diphotons: implications for supersymmetric unification

Journal Article · Thu Mar 03 00:00:00 EST 2016 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/JHEP03(2016)017· OSTI ID:1412516

Hall, Lawrence J. ^[1]; Harigaya, Keisuke ^[1]; Nomura, Yasunori ^[1]

Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

A recent signal of 750 GeV diphotons at the LHC can be explained within the framework of supersymmetric unification by the introduction of vector quarks and leptons with Yukawa couplings to a singlet S that describes the 750 GeV resonance. We study the most general set of theories that allow successful gauge coupling unification, and find that these Yukawa couplings are severely constrained by renormalization group behavior: they are independent of ultraviolet physics and flow to values at the TeV scale that we calculate precisely. As a consequence the vector quarks and leptons must be light; typically in the region of 375 GeV to 700 GeV, and in certain cases up to 1 TeV. The 750 GeV resonance may have a width less than the experimental resolution; alternatively, with the mass splitting between scalar and pseudoscalar components of S arising from one-loop diagrams involving vector fermions, we compute an apparent width of 10s of GeV.

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Research Organization:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: AC02-05CH11231

OSTI ID:: 1412516

Journal Information:: Journal of High Energy Physics (Online), Vol. 2016, Issue 3; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 40 works

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References (12)

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Cited By (1)

The NMSSM lives: with the 750 GeV diphoton excess Domingo, Florian; Heinemeyer, Sven; Kim, Jong Soo The European Physical Journal C, Vol. 76, Issue 5 https://doi.org/10.1140/epjc/s10052-016-4080-2	journal	May 2016

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