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A light stop with a heavy gluino: enlarging the stop gap

Cleary, Kevin F. ; Terning, John

The journal of high energy physics, 2016-05, Vol.2016 (5), p.1-8, Article 151 [Revista revisada por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

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Título:
A light stop with a heavy gluino: enlarging the stop gap
Autor: Cleary, Kevin F. ; Terning, John
Materias: Classical and Quantum Gravitation ; Duality in Gauge Field Theories ; Elementary Particles ; Estimates ; Expansion ; Hierarchies ; High energy physics ; Infrared ; Logarithms ; Physics ; Physics and Astronomy ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; Plugs ; Quantum Field Theories ; Quantum Field Theory ; Quantum Physics ; Regular Article - Theoretical Physics ; Relativity Theory ; Renormalization Group ; Running ; String Theory ; Supersymmetry and Duality ; Supersymmetry Breaking
Es parte de: The journal of high energy physics, 2016-05, Vol.2016 (5), p.1-8, Article 151
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
SC0009999
USDOE Office of Science (SC), High Energy Physics (HEP)
Descripción: A bstract It is widely thought that increasing bounds on the gluino mass, which feeds down to the stop mass through renormalization group running, are making a light stop increasingly unlikely. Here we present a counter-example. We examine the case of the Minimal Composite Supersymmetric Standard Model which has a light composite stop. The large anomalous dimension of the stop from strong dynamics pushes the stop mass toward a quasi-fixed point in the infrared, which is smaller than standard estimates by a factor of a large logarithm. The gluino can be about three times heavier than the stop, which is comparable to hierarchy achieved with supersoft Dirac gluino masses. Thus, in this class of models, a heavy gluino is not necessarily indicative of a heavy stop.
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglés

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A light stop with a heavy gluino: enlarging the stop gap

Cleary, Kevin F. ; Terning, John

Berlin/Heidelberg: Springer Berlin Heidelberg

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