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High Energy Physics - Phenomenology · arXiv:hep-ph/0410229 v1 · submitted 15 Oct 2004

Physics prospects of future neutrino oscillation experiments in Asia

Kaoru Hagiwara (KEK)

PDF · arXiv · The abstract, sentence by sentence · Cite

The paper says

“We also show that very long baseline experiments with higher energy beams from J-PARC and a water Cerenkov calorimeter detector (BAND) proposed in Beijing can resolve the neutrino mass hierarchy, and lift all the degeneracies in the three neutrino model parameters.”

from the abstract · picked out as the main claim by a classifier

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The paper

Abstract

The three neutrino model has 9 physical parameters, 3 neutrino masses, 3 mixing angles and 3 CP violating phases. Among them, neutrino oscillation experiments can probe 6 parameters: 2 mass squared differences, 3 mixing angles, and 1 CP phase. The experiments performed so far determined the magnitudes of the two mass squared differences, the sign of the smaller mass squared difference, the magnitudes of two of the three mixing angles, and the upper bound on the third mixing angle. The sign of the larger mass squared difference (the neutrino mass hierarchy pattern), the magnitude of the third mixing angle and the CP violating phase, and a two-fold ambiguity in the mixing angle that dictates the atmospheric neutrino oscillation should be determined by future oscillation experiments. In this talk, I introduce a few ideas of future long baseline neutrino oscillation experiments which make use of the super neutrino beams from J-PARC (Japan Proton Accelerator Research Complex) in Tokai village. We examine the potential of HyperKamiokande (HK), the proposed 1 Mega-ton water Cerenkov detector, and then study the fate and possible detection of the off-axis beam from J-PARC in Korea. We also show that very long baseline experiments with higher energy beams from J-PARC and a water Cerenkov calorimeter detector (BAND) proposed in Beijing can resolve the neutrino mass hierarchy, and lift all the degeneracies in the three neutrino model parameters.

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. No sentence in this record was written by a model.

abstract compiled · 2026-09-23 · no language-model review

How the main claim is stated: asserted 0.96

What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.13 · human participants 0.03 · controlled comparison 0.03 · randomized assignment 0.01 · states quantitative result 0.46 · compares with prior results 0.44 · mentions code or data availability 0.01

The abstract, sentence by sentence

This table labels the abstract only (arXiv listing abstract v1). The number is the probability the classifier gave the label.

SentenceRoleThe authors' own workStates the main conclusionStrength
The three neutrino model has 9 physical parameters, 3 neutrino masses, 3 mixing angles and 3 CP violating phases. background 1.00 0.04 0.02 asserted 1.00
Among them, neutrino oscillation experiments can probe 6 parameters: 2 mass squared differences, 3 mixing angles, and 1 CP phase. background 1.00 0.07 0.04 asserted 0.83
The experiments performed so far determined the magnitudes of the two mass squared differences, the sign of the smaller mass squared difference, the magnitudes of two of the three mixing angles, and the upper bound on the third mixing angle. background 0.93 0.04 0.04 asserted 1.00
The sign of the larger mass squared difference (the neutrino mass hierarchy pattern), the magnitude of the third mixing angle and the CP violating phase, and a two-fold ambiguity in the mixing angle that dictates the atmospheric neutrino oscillation should be determined by future oscillation experiments. gap 0.83 0.05 0.21 asserted 0.86
In this talk, I introduce a few ideas of future long baseline neutrino oscillation experiments which make use of the super neutrino beams from J-PARC (Japan Proton Accelerator Research Complex) in Tokai village. contribution 0.87 0.31 0.03 asserted 0.85
We examine the potential of HyperKamiokande (HK), the proposed 1 Mega-ton water Cerenkov detector, and then study the fate and possible detection of the off-axis beam from J-PARC in Korea. contribution 0.72 0.67 0.04 asserted 0.80
We also show that very long baseline experiments with higher energy beams from J-PARC and a water Cerenkov calorimeter detector (BAND) proposed in Beijing can resolve the neutrino mass hierarchy, and lift all the degeneracies in the three neutrino model parameters. result 0.69 0.75 0.64 asserted 0.96

What kind of paper the classifier reports this is: position or commentary 0.83 · evidence from argument 0.63

What was examined, and what was not

Sources read

  • arXiv listing abstract v1

Not examined

  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers

Levels run

  • P abstract

Not run

  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

How the labels were made

Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 5,922 input tokens, $0.0002 reported.

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. This record as JSON

Cited by 3 Pith papers

Reviewed papers on Pith that cite this one. The full citation record

  1. Resolving Neutrino Mass Hierarchy and CP Degeneracy by Two Identical Detectors with Different Baselines hep-ph · Apr 2005
  2. Sensitivity of the T2HKK experiment to the non-standard interaction hep-ph · Nov 2016
  3. Physics Potentials with the Second Hyper-Kamiokande Detector in Korea hep-ex · Nov 2016
How the literature uses it

5 arXiv papers cite this in 7 sentences

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

Papers citing it · 5 sentences without a confident label

Cites it as background 2 papers
  • Ideas of extending the Tokai-to-Kamioka (T2K) experiment with additional water detectors placed in Korea (Tokai-to-Kamioka-and-Korea, T2KK, experiment [ref] ) or in Oki island (Tokai-to-Kamioka-and-Oki, T2KO, experiment [ref] )

    Revisiting T2KK and T2KO physics potential and $\nu_\mu$ - $\bar{\nu}_\mu$ beam ratio · Introduction · 0.90

  • The T2HKK experiment [ref] is a proposal for the future extension of the T2K experiment [ref] ,[ The possibility of a second detector in Korea for the T2K experiment was discussed in the past [ref] .] and a water detector of fiducial mass 187 kt is placed not only in Kamioka (at a baseline length $L$ = 295 km) but also in Korea (at $L≃$ 1100 km), whereas the power of the beam at J-PARC in Tokai Village is upgraded to 1.3 MW.

    Testing NSI suggested by the solar neutrino tension in T2HKK and DUNE · T2HKK and DUNE · 0.87

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