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  Conformal Standard Model, Leptogenesis and Dark Matter

Lewandowski, A., Meissner, K., & Nicolai, H. (2018). Conformal Standard Model, Leptogenesis and Dark Matter. Physical Review D, 97(3): 035024. doi:10.1103/PhysRevD.97.035024.

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 Urheber:
Lewandowski, Adrian1, Autor           
Meissner, Krzysztof1, Autor           
Nicolai, Hermann1, Autor           
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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Schlagwörter: High Energy Physics - Phenomenology, hep-ph,High Energy Physics - Theory, hep-th
 Zusammenfassung: The Conformal Standard Model (CSM) is a minimal extension of the Standard Model of Particle Physics based on the assumed absence of large intermediate scales between the TeV scale and the Planck scale, which incorporates only right-chiral neutrinos and a new complex scalar in addition to the usual SM degrees of freedom, but no other features such as supersymmetric partners. In this paper, we present a comprehensive quantitative analysis of this model, and show that all outstanding issues of particle physics proper can in principle be solved `in one go' within this framework. This includes in particular the stabilization of the electroweak scale, `minimal' leptogenesis and the explanation of Dark Matter, with a small mass and very weakly interacting Majoron as the Dark Matter candidate (for which we propose to use the name `minoron'). The main testable prediction of the model is a new and almost sterile scalar boson that would manifest itself as a narrow resonance in the TeV region. We give a representative range of parameter values consistent with our assumptions and with observation.

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 Datum: 2017-10-172018
 Publikationsstatus: Erschienen
 Seiten: 19 pages, 5 figures
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 Inhaltsverzeichnis: -
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Titel: Physical Review D
  Andere : Phys. Rev. D.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Lancaster, Pa. : American Physical Society
Seiten: - Band / Heft: 97 (3) Artikelnummer: 035024 Start- / Endseite: - Identifikator: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258