Current Trends in Neutrino Oscillation Physics: A Phenomenological and Experimental Perspective

A special issue of Universe (ISSN 2218-1997).

Deadline for manuscript submissions: 20 May 2025 | Viewed by 947

Special Issue Editors


E-Mail Website
Guest Editor
Ruđer Bošković Institute, Zagreb, Croatia
Interests: neutrino phenomenology

E-Mail Website
Guest Editor
Ruđer Bošković Institute, Zagreb, Croatia
Interests: neutrino experiment

Special Issue Information

Dear Colleagues,

The current landscape of neutrino oscillation physics is very intriguing. On the one hand, the currently running neutrino experiments T2K in Japan and NOnA in the USA are giving us hints about the remaining unknowns in standard oscillation physics, while, on the other hand, there are several upcoming experiments which aim to firmly establish these hints. Examples of such experiments are T2HK, DUNE, ESSnuSB, JUNO, etc. These experiments can also look for new physics scenarios beyond the standard three-flavour model. These experiments can also test various theoretical models which predict certain values of neutrino oscillation parameters. By using the neutrino detectors of these experiments, it is also possible to study oscillations of neutrinos from natural sources: i.e., solar neutrinos, atmospheric neutrinos, supernova neutrinos, etc. One of the new physics scenarios is represented by sterile neutrino oscillations: the short-baseline experiment MicrooBooNE has already given its first results on steriles, and several other experiments like ICARUS, SBND, STEREO, NEOS, JSNS2, etc., are planning to do so in the future. To reduce the systematic uncertainties of neutrino oscillation experiments coming from uncertainty about the neutrino interaction cross-section with matter, dedicated campaigns for cross-section measurement have been proposed by some of the above-mentioned experiments. Additionally, there are dedicated experiments like ENUBET, NINJA and MINERvA which aim to further reduce the uncertainty in the cross-section.

The aim of this Special Issue is to document the current trends and progress in neutrino oscillation physics from a phenomenological and experimental point of view. Therefore, in this Special Issue, we invite original or review articles in all areas of neutrino oscillation physics from the perspectives of phenomenology and experiments.

Dr. Monojit Ghosh
Dr. Budimir Kliček
Guest Editors

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Keywords

  • neutrino oscillation
  • three flavour oscillation
  • beyond three flavour oscillation
  • models for neutrino mass and mixing
  • neutrino experiments
  • neutrino detectors
  • neutrino interactions

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Published Papers (1 paper)

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Research

17 pages, 2072 KiB  
Article
Exploring Neutrino Masses (g − 2)μ,e in Type I+II Seesaw in LeLα-Gauge Extended Model
by Papia Panda, Priya Mishra, Mitesh Kumar Behera, Shivaramakrishna Singirala and Rukmani Mohanta
Universe 2024, 10(10), 387; https://doi.org/10.3390/universe10100387 - 2 Oct 2024
Viewed by 611
Abstract
This paper aims to explore the implications of U(1)LeLα gauge symmetries, where α=τ,μ, in the neutrino sector through type-(I+II) seesaw mechanisms. To achieve such a hybrid framework, we include a [...] Read more.
This paper aims to explore the implications of U(1)LeLα gauge symmetries, where α=τ,μ, in the neutrino sector through type-(I+II) seesaw mechanisms. To achieve such a hybrid framework, we include a scalar triplet and three right-handed neutrinos. The model can successfully account for the active neutrino masses, mixing angles, mass squared differences, and the CP-violating phase within the 3σ bounds of NuFit v5.2 neutrino oscillation data. The presence of a new gauge boson at the MeV scale provides an explanation for the muon and electron (g2) within the confines of their experimental limits. Furthermore, we scrutinize the proposed models in the context of upcoming long-baseline neutrino experiments such as DUNE, P2SO, T2HK, and T2HKK. The findings reveal that P2SO and T2HK have the ability to probe both models in their 5σ-allowed oscillation parameter region, whereas DUNE and T2HKK can conclusively test only the model with U(1)LeLμ-symmetry within the 5σ parameter space if the true values of the oscillation parameters remain consistent with NuFit v5.2. Full article
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