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From old to new particles: a simple symmetry is guiding us

From old to new particles: a simple symmetry is guiding us
From old to new particles: a simple symmetry is guiding us
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.
1-4
Khalil, S.
6021465e-2f5d-4677-846d-05aebc4499f6
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Khalil, S.
6021465e-2f5d-4677-846d-05aebc4499f6
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614

Khalil, S. and Moretti, S. (2013) From old to new particles: a simple symmetry is guiding us. Pre-print, arXiv:1301.0144 (SHEP-12-39), 1-4.

Record type: Article

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

e-pub ahead of print date: January 2013
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 356665
URI: http://eprints.soton.ac.uk/id/eprint/356665
PURE UUID: 19f60f52-1dd8-4fc2-9478-363666645c39

Catalogue record

Date deposited: 10 Oct 2013 11:39
Last modified: 09 Nov 2021 00:31

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Contributors

Author: S. Khalil
Author: S. Moretti

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