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Global analysis of three-flavour neutrino oscillations: synergies and tensions in the determination of θ 23 , δ CP , and the mass ordering

Publicated to:Journal Of High Energy Physics. 2019 (1): - 2019-01-01 2019(1), DOI: 10.1007/JHEP01(2019)106

Authors: Esteban I; Gonzalez-Garcia M; Hernandez-Cabezudo A; Maltoni M; Schwetz T

Affiliations

Institució Catalana de Recerca i Estudis Avançats - Author
Karlsruhe Institute of Technology, Campus North - Author
Stony Brook University - Author
Universidad Autónoma de Madrid - Author
Universitat de Barcelona - Author
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Abstract

© 2019, The Author(s). We present the results of a global analysis of the neutrino oscillation data available as of fall 2018 in the framework of three massive mixed neutrinos with the goal at determining the ranges of allowed values for the six relevant parameters. We describe the complementarity and quantify the tensions among the results of the different data samples contributing to the determination of each parameter. We also show how those vary when combining our global likelihood with the χ 2 map provided by Super-Kamiokande for their atmospheric neutrino data analysis in the same framework. The best fit of the analysis is for the normal mass ordering with inverted ordering being disfavoured with a Δχ 2 = 4.7 (9.3) without (with) SK-atm. We find a preference for the second octant of θ 23 , disfavouring the first octant with Δχ 2 = 4.4 (6.0) without (with) SK-atm. The best fit for the complex phase is δ CP = 215° with CP conservation being allowed at Δχ 2 = 1.5 (1.8). As a byproduct we quantify the correlated ranges for the laboratory observables sensitive to the absolute neutrino mass scale in beta decay, mνe , and neutrino-less double beta decay, m ee , and the total mass of the neutrinos, Σ, which is most relevant in Cosmology.

Keywords

Neutrino physicsSolar and atmospheric neutrinos

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Journal Of High Energy Physics due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2019, it was in position 4/29, thus managing to position itself as a Q1 (Primer Cuartil), in the category Physics, Particles & Fields.

This publication has been distinguished as a “Highly Cited Paper” by the agencies WoS (ESI, Clarivate) and ESI (Clarivate), meaning that it ranks within the top 1% of the most cited articles in its thematic field during the year of its publication. In terms of the observed impact of the contribution, this work is considered one of the most influential worldwide, as it is recognized as highly cited. (source consulted: ESI Nov 14, 2024)

And this is evidenced by the extremely high normalized impacts through some of the main indicators of this type, which, although dynamic over time and dependent on the set of average global citations at the time of calculation, already indicate that they are well above the average in different agencies:

  • Normalization of citations relative to the expected citation rate (ESI) by the Clarivate agency: 36.62 (source consulted: ESI Nov 14, 2024)
  • Weighted Average of Normalized Impact by the Scopus agency: 45.04 (source consulted: FECYT Feb 2024)
  • Field Citation Ratio (FCR) from Dimensions: 244.52 (source consulted: Dimensions Jun 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-06-17, the following number of citations:

  • WoS: 569
  • Scopus: 572
  • OpenCitations: 300

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-17:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 82.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 82 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 1.5.
  • The number of mentions on the social network X (formerly Twitter): 4 (Altmetric).