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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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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-3DFE-F Version Permalink: http://hdl.handle.net/21.11116/0000-0002-F680-7
Genre: Journal Article

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

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Free keywords: High Energy Physics - Phenomenology, hep-ph,High Energy Physics - Theory, hep-th
 Abstract: 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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 Dates: 2017-10-172018
 Publication Status: Published in print
 Pages: 19 pages, 5 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1710.06149
URI: http://arxiv.org/abs/1710.06149
DOI: 10.1103/PhysRevD.97.035024
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 97 (3) Sequence Number: 035024 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: /journals/resource/111088197762258