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Universe
Special Issues
Neutrinos across Different Energy Scales
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Neutrinos across Different Energy Scales

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: 30 June 2024 | Viewed by 3415

Special Issue Editors

Prof. Dr. Salvatore Esposito

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Guest Editor
Department of Physics “Ettore Pancini”, University of Naples “Federico II”, Naples, Italy
Interests: astroparticle physics; theoretical physics; history of physics
Dr. Ninetta Saviano

E-Mail Website
Guest Editor
INFN Naples’ Unit, Naples, Italy
Interests: neutrino physics; supernova physics; Big Bang nucleosynthesis; structure formation

Special Issue Information

Dear Colleagues,

Thanks partly to dedicated large experimental programs that are underway, advances in neutrino physics are rapidly evolving such that the need to take stock of the current situation in this field of research is particularly felt by various scholars of different backgrounds. This Special Issue is intended to meet that need. It is devoted to discussing the theory and phenomenology of neutrino physics (both in standard sectors and beyond standard sectors) at different energy scales, from meV to 1019 eV, also reviewing the present experimental situation. In particular, among the various natural sources of neutrino fluxes, we will explicitly consider a) relic neutrinos from the primordial Universe at very low energy; b) solar neutrinos and supernova neutrinos in the energy range from tens to a few hundred MeV; c) atmospheric neutrinos at energy around GeV; and d) high- and ultrahigh-energy neutrinos emitted from astrophysical accelerators. Invited contributions from experts in any of these fields will be complemented by contributions illustrating the state of the art on the topics covered by the present Issue, which are therefore welcome from any scholars (subject to peer review).

Prof. Dr. Salvatore Esposito
Dr. Ninetta Saviano
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

  • astroparticle physics
  • neutrino physics
  • primordial Universe
  • relic neutrinos
  • supernova neutrinos
  • solar neutrinos
  • atmospheric neutrinos
  • high-energy neutrinos
  • physics beyond the Standard Model

Published Papers (3 papers)

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Research

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21 pages, 1254 KiB  
Article
Exploring Neutrino Mass Orderings through Supernova Neutrino Detection
by Maria Manuela Saez
Universe 2023, 9(11), 464; https://doi.org/10.3390/universe9110464 - 28 Oct 2023
Cited by 1 | Viewed by 1326
Abstract
Core-collapse supernovae (SNe) are one of the most powerful cosmic sources of neutrinos, with energies of several MeV. The emission of neutrinos and antineutrinos of all flavors carries away the gravitational binding energy of the compact remnant and drives its evolution from the [...] Read more.
Core-collapse supernovae (SNe) are one of the most powerful cosmic sources of neutrinos, with energies of several MeV. The emission of neutrinos and antineutrinos of all flavors carries away the gravitational binding energy of the compact remnant and drives its evolution from the hot initial to the cold final states. Detecting these neutrinos from Earth and analyzing the emitted signals present a unique opportunity to explore the neutrino mass ordering problem. This research outlines the detection of neutrinos from SNe and their relevance in understanding the neutrino mass ordering. The focus is on developing a model-independent analysis strategy, achieved by comparing distinct detection channels in large underground detectors. The objective is to identify potential indicators of mass ordering within the neutrino sector. Additionally, a thorough statistical analysis is performed on the anticipated neutrino signals for both mass orderings. Despite uncertainties in supernova explosion parameters, an exploration of the parameter space reveals an extensive array of models with significant sensitivity to differentiate between mass orderings. The assessment of various observables and their combinations underscores the potential of forthcoming supernova observations in addressing the neutrino mass ordering problem. Full article
(This article belongs to the Special Issue Neutrinos across Different Energy Scales)
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Review

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20 pages, 514 KiB  
Review
Standard and Non-Standard Aspects of Neutrino Physics
by Alessandro Granelli
Universe 2024, 10(4), 164; https://doi.org/10.3390/universe10040164 - 30 Mar 2024
Viewed by 745
Abstract
This review provides a succinct overview of the basic aspects of neutrino physics. The topics covered include neutrinos in the standard model and the three-neutrino mixing scheme; the current status of neutrino oscillation measurements and what remains to be determined; the seesaw mechanisms [...] Read more.
This review provides a succinct overview of the basic aspects of neutrino physics. The topics covered include neutrinos in the standard model and the three-neutrino mixing scheme; the current status of neutrino oscillation measurements and what remains to be determined; the seesaw mechanisms for neutrino mass generation and the associated phenomenology, including the leptogenesis mechanism to explain the observed matter–antimatter asymmetry of the Universe; and models for the origin of the pattern of neutrino mixing and lepton masses based on discrete flavour symmetries and modular invariance. Full article
(This article belongs to the Special Issue Neutrinos across Different Energy Scales)
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32 pages, 733 KiB  
Review
High-Energy and Ultra-High-Energy Neutrino Astrophysics
by Damiano F. G. Fiorillo
Universe 2024, 10(3), 149; https://doi.org/10.3390/universe10030149 - 20 Mar 2024
Viewed by 720
Abstract
The origin of high-energy cosmic rays, and their behavior in astrophysical sources, remains an open question. Recently, new ways to address this question have been made possible by the observation of a new astrophysical messenger, namely neutrinos. The IceCube telescope has detected a [...] Read more.
The origin of high-energy cosmic rays, and their behavior in astrophysical sources, remains an open question. Recently, new ways to address this question have been made possible by the observation of a new astrophysical messenger, namely neutrinos. The IceCube telescope has detected a diffuse flux of astrophysical neutrinos in the TeV-PeV energy range, likely produced in astrophysical sources accelerating cosmic rays, and more recently it has reported on a few candidate individual neutrino sources. Future experiments will be able to improve on these measurements quantitatively, by the detection of more events, and qualitatively, by extending the measurement into the EeV energy range. In this paper, we review the main features of the neutrino emission and sources observed by IceCube, as well as the main candidate sources that could contribute to the diffuse neutrino flux. As a parallel question, we review the status of high-energy neutrinos as a probe of Beyond the Standard Model physics coupling to the neutrino sector. Full article
(This article belongs to the Special Issue Neutrinos across Different Energy Scales)
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