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High Energy Physics - Phenomenology · arXiv:0801.2427 v1 · submitted 16 Jan 2008

Looking for Leptonic CP Violation with Neutrinos

Hisakazu Minakata

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The paper says

“In the second part, I discuss Tokai-to-Kamioka-Korea two detector complex which receives neutrino superbeam from J-PARC as a concrete setting for discovering CP violation due to the KM phase, as well as resolving mass hierarchy and the theta_23 octant degeneracy.”

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

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The paper

Abstract

I discuss some theoretical aspects of how to observe leptonic CP violation. It is divided into two parts, one for CP violation due to Majorana, and the other more conventional leptonic Kobayashi-Maskawa (KM) phases. In the first part, I estimate the effect of Majorana phase to observable of neutrinoless double beta decay experiments by paying a careful attention to the definition of the atmospheric scale Delta m^2. In the second part, I discuss Tokai-to-Kamioka-Korea two detector complex which receives neutrino superbeam from J-PARC as a concrete setting for discovering CP violation due to the KM phase, as well as resolving mass hierarchy and the theta_23 octant degeneracy. A cautionary remark is also given on comparison between various projects aiming at exploring CP violation and the mass hierarchy.

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 0.79

What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.69 · human participants 0.03 · controlled comparison 0.03 · randomized assignment 0.01 · states quantitative result 0.06 · compares with prior results 0.25 · 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
I discuss some theoretical aspects of how to observe leptonic CP violation. contribution 0.95 0.56 0.05 asserted 0.53
It is divided into two parts, one for CP violation due to Majorana, and the other more conventional leptonic Kobayashi-Maskawa (KM) phases. contribution 0.66 0.38 0.04 asserted 0.99
In the first part, I estimate the effect of Majorana phase to observable of neutrinoless double beta decay experiments by paying a careful attention to the definition of the atmospheric scale Delta m^2. contribution 0.65 0.81 0.06 asserted 0.90
In the second part, I discuss Tokai-to-Kamioka-Korea two detector complex which receives neutrino superbeam from J-PARC as a concrete setting for discovering CP violation due to the KM phase, as well as resolving mass hierarchy and the theta_{23} octant degeneracy. contribution 0.62 0.32 0.13 asserted 0.79
A cautionary remark is also given on comparison between various projects aiming at exploring CP violation and the mass hierarchy. limitation 0.92 0.49 0.05 unclear 0.54

What kind of paper the classifier reports this is: theoretical result 0.48 · evidence from argument 0.88

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, 4,333 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

How the literature uses it

2 arXiv papers cite this in 2 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 · 1 sentence without a confident label

Cites it as background 1 paper

What it cites · 41 sentences without a confident label

Uses data or values from 1 paper
Compares with 2 papers
  • The sensitivities to the octant ambiguity resolution is better (worse) compared to the best thinkable sensitivity achievable by the reactor-accelerator combined method [ref] in a region $sin^2 2 θ_13$ smaller (greater) than 0.05-0.06.

    Reactor Measurement of $\theta_{13}$ and Its Complementarity to Long-Baseline Experiments · T2KK; Tokai-to-Kamioka-Korea two detector complex · 0.96

  • If one compares Fig. [ref] to Fig. 11 in [ref] , one notices that the sensitivity reach for the mass hierarchy obtained by Dufour is worse than that in [ref] despite usage of more aggressive setting of beam power of 2 MW for 5 years running for both neutrinos and antineutrinos.

    Precision physics with a wide band super neutrino beam · Remarks on comparison between the projects · 0.99

Cites as background 8 papers

Challenges and discussion

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