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Search for Z′, vacuum (in)stability and hints of high-energy structures

Search for Z′, vacuum (in)stability and hints of high-energy structures
Search for Z′, vacuum (in)stability and hints of high-energy structures
We study the high-energy behaviour of a class of anomaly-free abelian extensions of the Standard Model. We focus on the interplay among the phenomenological characterisation of the model and the use of precise renormalisation group methods. Using as boundary conditions regions of the parameter space at the verge of current LHC probe, interesting unification patterns emerge linked to thresholds belonging to a SO(10) grand unification theory (GUT). We stress how the evolution of the mixing between the two abelian factors may provide a valuable tool to address the candidate high-energy embedding. The emerging unification scenarios are then challenged to be perturbative and to allow for a stable vacuum.
hep-ph
2100-014X
Accomando, Elena
8ebc75d7-bd92-4f70-a974-7bc15ebf088f
Coriano, Claudio
736717df-e9f3-415a-bd78-9c2c7b5b4f2d
Rose, Luigi Delle
19c81ce1-e14b-4e4c-b72d-0d74cbb331db
Fiaschi, Juri
a417f04d-05ec-4bff-bdee-ba20ac560fa7
Marzo, Carlo
e50a7231-60d0-4811-8e20-486747409cc4
Moretti, Stefano
b57cf0f0-4bc3-4e02-96e3-071255366614
Accomando, Elena
8ebc75d7-bd92-4f70-a974-7bc15ebf088f
Coriano, Claudio
736717df-e9f3-415a-bd78-9c2c7b5b4f2d
Rose, Luigi Delle
19c81ce1-e14b-4e4c-b72d-0d74cbb331db
Fiaschi, Juri
a417f04d-05ec-4bff-bdee-ba20ac560fa7
Marzo, Carlo
e50a7231-60d0-4811-8e20-486747409cc4
Moretti, Stefano
b57cf0f0-4bc3-4e02-96e3-071255366614

Accomando, Elena, Coriano, Claudio, Rose, Luigi Delle, Fiaschi, Juri, Marzo, Carlo and Moretti, Stefano (2016) Search for Z′, vacuum (in)stability and hints of high-energy structures. EPJ Web of Conferences, 129, [00007]. (doi:10.1051/epjconf/201612900007).

Record type: Article

Abstract

We study the high-energy behaviour of a class of anomaly-free abelian extensions of the Standard Model. We focus on the interplay among the phenomenological characterisation of the model and the use of precise renormalisation group methods. Using as boundary conditions regions of the parameter space at the verge of current LHC probe, interesting unification patterns emerge linked to thresholds belonging to a SO(10) grand unification theory (GUT). We stress how the evolution of the mixing between the two abelian factors may provide a valuable tool to address the candidate high-energy embedding. The emerging unification scenarios are then challenged to be perturbative and to allow for a stable vacuum.

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Accepted/In Press date: 19 September 2016
e-pub ahead of print date: 25 November 2016
Published date: 25 November 2016
Additional Information: 6 pages, 9 figures
Keywords: hep-ph
Organisations: Mathematical Sciences, Physics & Astronomy, Theory Group

Identifiers

Local EPrints ID: 411861
URI: http://eprints.soton.ac.uk/id/eprint/411861
ISSN: 2100-014X
PURE UUID: 0f4f8a83-f9c8-451e-80d9-155a8e79c6cc

Catalogue record

Date deposited: 27 Jun 2017 16:31
Last modified: 16 Dec 2019 18:56

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