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Universe
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Origin of the Flavor Structure in the Standard Model and...
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Origin of the Flavor Structure in the Standard Model and Beyond

A special issue of Universe (ISSN 2218-1997). This special issue belongs to the section "High Energy Nuclear and Particle Physics".

Deadline for manuscript submissions: closed (15 January 2024) | Viewed by 2535

Special Issue Editor

Prof. Dr. Fei Wang

E-Mail Website
Guest Editor
Department of Physics, Zhengzhou University, No. 100 Science Avenue, Zhengzhou 450001, China
Interests: high-energy physics theory; beyond the standard model; baryon synthesis mechanism; dark matter
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Over the last couple of decades, we have witnessed remarkable success in experiments related to tests in the Standard Model. The flavor structures in the Standard Model and its neutrino extension, for example, the neutrino masses and mixing patterns, were measured with great precision and could carry the key information on the possible new physics beyond the Standard Model.

This Special Issue will concentrate on the origin of flavor structures in the Standard Model and beyond, emphasizing their connections to the new physics beyond the Standard Model and cosmology.

The Special Issue will cover the following topics: the flavor structure from various kinds of symmetries (discrete symmetry, global symmetry or modular symmetry etc.), prediction of the low-energy flavor structure from the Grand Unified Theory (GUT), flavor puzzles in B physics and in the leptonic sector, scotogenic models, origin of the baryon asymmetric in the universe, etc.

Prof. Dr. Fei Wang
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Universe is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • origin of the flavor structure
  • flavor symmetry
  • GUT prediction
  • baryon asymmetry

Published Papers (2 papers)

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Research

16 pages, 5757 KiB  
Article
Explaining the Muon g − 2 Anomaly in Deflected AMSB for NMSSM
by Lijun Jia, Zhuang Li and Fei Wang
Universe 2023, 9(5), 214; https://doi.org/10.3390/universe9050214 - 29 Apr 2023
Cited by 6 | Viewed by 1110
Abstract
We propose to embed the General NMSSM (Next-to-Minimal Supersymmetric Standard Model) into the deflected AMSB (Anomaly Mediated Supersymmetry Breaking) mechanism with Yukawa/gauge deflection contributions. After the integration of the heavy messenger fields, the analytical expressions of the relevant soft SUSY breaking spectrum for [...] Read more.
We propose to embed the General NMSSM (Next-to-Minimal Supersymmetric Standard Model) into the deflected AMSB (Anomaly Mediated Supersymmetry Breaking) mechanism with Yukawa/gauge deflection contributions. After the integration of the heavy messenger fields, the analytical expressions of the relevant soft SUSY breaking spectrum for General NMSSM at the messenger scale can be calculated. We find that successful EWSB (Electroweak Symmetry Breaking) and realistic low energy NMSSM spectrum can be obtained in some parameter regions. In addition, we find that the muon g−2 anomaly and electron g−2 anomaly (for positive central value electron g−2 experimental data) can be jointly explained to 1σ and 2σ range, respectively. The Z3 invariant NMSSM, which corresponds to ξF=0 in our case, can also jointly explain the muon and electron anomaly to 1σ and 2σ range, respectively. Full article
(This article belongs to the Special Issue Origin of the Flavor Structure in the Standard Model and Beyond)
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17 pages, 572 KiB  
Article
The Contribution of Charged Bosons with Right-Handed Neutrinos to the Muon g − 2 Anomaly in the Twin Higgs Models
by Guo-Li Liu and Ping Zhou
Universe 2022, 8(12), 654; https://doi.org/10.3390/universe8120654 - 11 Dec 2022
Cited by 4 | Viewed by 1028
Abstract
We examine the charged boson and right-handed neutrino contribution to the muon g−2 anomaly in twin Higgs models with joint constraints of Higgs global fit data, precision electroweak data, leptonic flavor-changing decay μ→eγ, and the mass requirement [...] Read more.
We examine the charged boson and right-handed neutrino contribution to the muon g−2 anomaly in twin Higgs models with joint constraints of Higgs global fit data, precision electroweak data, leptonic flavor-changing decay μ→eγ, and the mass requirement of heavy-gauge bosons. It comes with the conclusion that some parameters, such as the coupling of charged Higgs to the lepton yμ, the top Yukawa yt, and heavy-gauge boson coupling to the lepton Vμ are constrained roughly in the range of 0.12≲yμ≲0.4, 0.4≲yt≲0.9, and 0.47≲Vμ≲1, respectively. Full article
(This article belongs to the Special Issue Origin of the Flavor Structure in the Standard Model and Beyond)
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