A simple symmetry as a guide toward new physics beyond the Standard Model
A simple symmetry as a guide toward new physics beyond the Standard Model
There exists one experimental result that cannot be explained by the Standard Model (SM), the current theoretical framework for particle physics: non-zero masses for the neutrinos (elementary particles travelling close to light speed, electrically neutral and weakly interacting). The SM assumes that they are massless. Therefore, particle physicists are now exploring new physics beyond the SM. There is strong anticipation that we are about to unravel it, in the form of new matter and/or forces, at the Large Hadron Collider (LHC), presently running at CERN. We discuss a minimal extension of the SM, based on a somewhat larger version of its symmetry structure and particle content, that can naturally explain the existence of neutrino masses while also predicting novel signals accessible at the LHC, including a light Higgs boson, as evidenced by current data.
physics.pop-ph, hep-ph
Khalil, S.
6021465e-2f5d-4677-846d-05aebc4499f6
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
18 September 2013
Khalil, S.
6021465e-2f5d-4677-846d-05aebc4499f6
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Khalil, S. and Moretti, S.
(2013)
A simple symmetry as a guide toward new physics beyond the Standard Model.
Frontiers in Physics, 1 (10).
(doi:10.3389/fphy.2013.00010).
Abstract
There exists one experimental result that cannot be explained by the Standard Model (SM), the current theoretical framework for particle physics: non-zero masses for the neutrinos (elementary particles travelling close to light speed, electrically neutral and weakly interacting). The SM assumes that they are massless. Therefore, particle physicists are now exploring new physics beyond the SM. There is strong anticipation that we are about to unravel it, in the form of new matter and/or forces, at the Large Hadron Collider (LHC), presently running at CERN. We discuss a minimal extension of the SM, based on a somewhat larger version of its symmetry structure and particle content, that can naturally explain the existence of neutrino masses while also predicting novel signals accessible at the LHC, including a light Higgs boson, as evidenced by current data.
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More information
Accepted/In Press date: 22 August 2013
Published date: 18 September 2013
Additional Information:
5 pages: version to be published in Frontiers in High-Energy and Astroparticle Physics following a change of title and minor changes to the text
Keywords:
physics.pop-ph, hep-ph
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Theory Group
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Local EPrints ID: 412063
URI: http://eprints.soton.ac.uk/id/eprint/412063
PURE UUID: 7aad2c0c-74fb-4a21-b35f-3d108dfaa2a4
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Date deposited: 05 Jul 2017 16:31
Last modified: 16 Mar 2024 03:34
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Author:
S. Khalil
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