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Universe
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Search for New Physics Through Combined Approaches
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Search for New Physics Through Combined Approaches

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: 31 October 2025 | Viewed by 901

Special Issue Editors

Dr. Yang Zhang

E-Mail Website
Guest Editor
Institute of Astrophysics, School of Physics, Zhengzhou University, Zhengzhou 450001, China
Interests: new physics beyond the standard model; collider phenomenology; Higgs physics; electroweak phase transition; dark matter; baryon generation; gravitational waves
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,

Searching for new physics beyond the Standard Model is a primary objective in numerous particle experiments, such as the Large Hadron Collider, dark matter experiments, electroweak precision measurements, and projected facilities like future colliders and gravitational wave detectors. Despite the absence of definitive direct evidence, current experimental outcomes have imposed stringent constraints on new physics models, potentially illuminating the path for their discovery. Consequently, it is imperative and crucial to explore new physics through multifaceted approaches.

The primary aim of this Special Issue is to consolidate the latest advancements and insights, spanning both phenomenological and theoretical domains. Key areas of interest encompass the exploration of novel physical properties tied to Higgs Boson and dark matter, experimental anomalies, innovative search methodologies at colliders, electroweak phase transitions, gravitational waves emanating from new physics, as well as cross-over studies bridging the aforementioned perspectives.

We invite global researchers to submit works highlighting recent progress and innovative approaches in particle physics, fostering knowledge exchange and collaboration. This Special Issue showcases cutting-edge research, encourages interdisciplinary dialogue, and supports the growth of novel methodologies and theoretical insights, ultimately advancing our understanding of the universe’s fundamental forces and particles.

Sincerely,

Dr. Yang Zhang
Prof. Dr. Fei Wang
Guest Editors

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

  • beyond standard model physics
  • grand unified theory
  • collider physics
  • Higgs physics
  • electroweak precision measurements
  • dark matter
  • electroweak phase transition
  • gravitational wave 

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Published Papers (2 papers)

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16 pages, 22205 KiB  
Article
Properties of Heavy Higgs Bosons and Dark Matter Under Current Experimental Limits in the μNMSSM
by Zhaoxia Heng, Xingjuan Li and Liangliang Shang
Universe 2025, 11(3), 103; https://doi.org/10.3390/universe11030103 - 20 Mar 2025
Cited by 3 | Viewed by 122
Abstract
Searches for new particles beyond the Standard Model (SM) are an important task for the Large Hadron Collider (LHC). In this paper, we investigate the properties of the heavy non-SM Higgs bosons in the μ-term extended Next-to-Minimal Supersymmetric Standard Model (μ [...] Read more.
Searches for new particles beyond the Standard Model (SM) are an important task for the Large Hadron Collider (LHC). In this paper, we investigate the properties of the heavy non-SM Higgs bosons in the μ-term extended Next-to-Minimal Supersymmetric Standard Model (μNMSSM). We scan the parameter space of the μNMSSM considering the basic constraints from Higgs data, dark matter (DM) relic density, and LHC searches for sparticles. And we also consider the constraints from the LZ2022 experiment and the muon anomaly constraint at the 2σ level. We find that the LZ2022 experiment has a strict constraint on the parameter space of the μNMSSM, and the limits from the DM-nucleon spin-independent (SI) and spin-dependent (SD) cross-sections are complementary. Then, we discuss the exotic decay modes of heavy Higgs bosons decaying into SM-like Higgs bosons. We find that for doublet-dominated Higgs h3 and A2, the main exotic decay channels are h3→ZA1, h3→h1h2, A2→A1h1, and A2→Zh2, and the branching ratio can reach to about 23%, 10%, 35%, and 10% respectively. Full article
(This article belongs to the Special Issue Search for New Physics Through Combined Approaches)
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Review

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41 pages, 5616 KiB  
Review
Searching for New Physics in an Ultradense Environment: A Review on Dark Matter Admixed Neutron Stars
by Francesco Grippa, Gaetano Lambiase and Tanmay Kumar Poddar
Universe 2025, 11(3), 74; https://doi.org/10.3390/universe11030074 - 21 Feb 2025
Cited by 1 | Viewed by 498
Abstract
Neutron stars (NSs), among the densest objects in the universe, are exceptional laboratories for investigating the properties of dark matter (DM). Recent theoretical and observational developments have heightened interest in exploring the impact of DM on NS structure, giving rise to the concept [...] Read more.
Neutron stars (NSs), among the densest objects in the universe, are exceptional laboratories for investigating the properties of dark matter (DM). Recent theoretical and observational developments have heightened interest in exploring the impact of DM on NS structure, giving rise to the concept of dark matter admixed neutron stars (DANSs). This review examines how NSs can accumulate DM over time, potentially altering their fundamental properties. We explore the leading models describing DM behavior within NSs, focusing on the effects of both bosonic and fermionic candidates on key features such as mass, radius, and tidal deformability. Additionally, we review how DM can modify the cooling and heating processes, trigger the formation of a black hole, and impact gravitational wave (GW) emissions from binary systems. By synthesizing recent research, this work highlights how DANSs might produce observable signatures, offering new opportunities to probe DM’s properties through astrophysical phenomena. Full article
(This article belongs to the Special Issue Search for New Physics Through Combined Approaches)
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