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Calculable mass hierarchies and a light dilaton from gravity duals

Daniel Elander, Maurizio Piai Orcid Logo

Physics Letters B, Volume: 772, Pages: 110 - 114

Swansea University Author: Maurizio Piai Orcid Logo

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DOI (Published version): 10.1016/j.physletb.2017.06.035

Abstract

In the context of gauge/gravity dualities, we calculate the scalar and tensor mass spectrum of the boundary theory defined by a special 8-scalar sigma-model in five dimensions, the background solutions of which include the 1-parameter family dual to the baryonic branch of the Klebanov-Strassler fiel...

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Published in: Physics Letters B
ISSN: 03702693
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa34257
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first_indexed 2017-06-13T14:14:31Z
last_indexed 2020-07-14T18:54:11Z
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spelling 2020-07-14T15:50:58.0583997 v2 34257 2017-06-13 Calculable mass hierarchies and a light dilaton from gravity duals 3ce295f2c7cc318bac7da18f9989d8c3 0000-0002-2251-0111 Maurizio Piai Maurizio Piai true false 2017-06-13 SPH In the context of gauge/gravity dualities, we calculate the scalar and tensor mass spectrum of the boundary theory defined by a special 8-scalar sigma-model in five dimensions, the background solutions of which include the 1-parameter family dual to the baryonic branch of the Klebanov-Strassler field theory. This provides an example of a strongly-coupled, multi-scale system that yields a parametrically light mass for one of the composite scalar particles: the dilaton. We briefly discuss the implications of these findings towards identifying a satisfactory solution to both the big and little hierarchy problems of the electro-weak theory. Journal Article Physics Letters B 772 110 114 03702693 31 12 2017 2017-12-31 10.1016/j.physletb.2017.06.035 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2020-07-14T15:50:58.0583997 2017-06-13T08:46:37.8471335 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Daniel Elander 1 Maurizio Piai 0000-0002-2251-0111 2 34257__17711__b97a93eaef4e4a5ab06d9233cba294ad.pdf 1-s2.0-S0370269317305117-main.pdf 2020-07-14T15:48:25.7221690 Output 331327 application/pdf Version of Record true Distributed under the terms of a Creative Commons CC-BY License 4.0. true https://creativecommons.org/licenses/by/4.0/
title Calculable mass hierarchies and a light dilaton from gravity duals
spellingShingle Calculable mass hierarchies and a light dilaton from gravity duals
Maurizio Piai
title_short Calculable mass hierarchies and a light dilaton from gravity duals
title_full Calculable mass hierarchies and a light dilaton from gravity duals
title_fullStr Calculable mass hierarchies and a light dilaton from gravity duals
title_full_unstemmed Calculable mass hierarchies and a light dilaton from gravity duals
title_sort Calculable mass hierarchies and a light dilaton from gravity duals
author_id_str_mv 3ce295f2c7cc318bac7da18f9989d8c3
author_id_fullname_str_mv 3ce295f2c7cc318bac7da18f9989d8c3_***_Maurizio Piai
author Maurizio Piai
author2 Daniel Elander
Maurizio Piai
format Journal article
container_title Physics Letters B
container_volume 772
container_start_page 110
publishDate 2017
institution Swansea University
issn 03702693
doi_str_mv 10.1016/j.physletb.2017.06.035
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
document_store_str 1
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description In the context of gauge/gravity dualities, we calculate the scalar and tensor mass spectrum of the boundary theory defined by a special 8-scalar sigma-model in five dimensions, the background solutions of which include the 1-parameter family dual to the baryonic branch of the Klebanov-Strassler field theory. This provides an example of a strongly-coupled, multi-scale system that yields a parametrically light mass for one of the composite scalar particles: the dilaton. We briefly discuss the implications of these findings towards identifying a satisfactory solution to both the big and little hierarchy problems of the electro-weak theory.
published_date 2017-12-31T03:42:29Z
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