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A comprehensive study of the discovery potential of NOvA, T2K and T2HK experiments
High Energy Physics - Phenomenology · Submitted 26 Aug 2014
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We also find that $\delta_{CP}$ can be determined to be better than $35^\circ $, $21^\circ $ and $9^\circ $ for all values of $\delta_{CP}$ for T2K, NO$\nu$A and T2HK respectively.
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The abstract, sentence by sentence
With the recent measurement of reactor mixing angle $\theta_{13}$ the knowledge of neutrino oscillation parameters that describe PMNS matrix has improved significantly except the CP violating phase $\delta_{CP}$. The other unknown parameters in neutrino oscillation studies are mass hierarchy and the octant of the atmospheric mixing angle $\theta_{23}$. Many dedicated experiments are proposed to determine these parameters which may take at least 10 years from now to become operational. It is therefore very crucial to use the results from the existing experiments to see whether we can get even partial answers to these questions. In this paper we study the discovery potential of the ongoing NO$\nu$A and T2K experiments as well as the forthcoming T2HK experiment in addressing these questions. In particular, we evaluate the sensitivity of NO$\nu$A to determine neutrino mass hierarchy, octant degeneracy and to obtain CP violation phase after running for its scheduled period of 3 years in neutrino mode and 3 years in anti-neutrino mode. We then extend the analysis to understand the discovery potential if the experiments will run for (5$\nu$+5$\bar{\nu}$) years and (7$\nu$+3$\bar{\nu}$) years. We also show how the sensitivity improves when we combine the data from (3$\nu$+3$\bar{\nu}$) years of NO$\nu$A run with (3$\nu$+2$\bar{\nu}$) years of T2K and (3$\nu$+7$\bar{\nu}$) years of T2HK experiments. The CP violation sensitivity is marginal for T2K and NO$\nu$A experiments even for ten years data taking of NO$\nu$A. T2HK has a significance above 5$\sigma$ for a fraction of two-fifth values of the $\delta_{CP}$ space. We also find that $\delta_{CP}$ can be determined to be better than $35^\circ $, $21^\circ $ and $9^\circ $ for all values of $\delta_{CP}$ for T2K, NO$\nu$A and T2HK respectively.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | With the recent measurement of reactor mixing angle $\theta_{13}$ the knowledge of neutrino oscillation parameters that describe PMNS matrix has improved significantly except the CP violating phase $\delta_{CP}$. | background 0.85 | 0.05 | 0.02 | asserted 1.00 |
| s1 | The other unknown parameters in neutrino oscillation studies are mass hierarchy and the octant of the atmospheric mixing angle $\theta_{23}$. | background 0.51 | 0.04 | 0.02 | asserted 1.00 |
| s2 | Many dedicated experiments are proposed to determine these parameters which may take at least 10 years from now to become operational. | background 0.88 | 0.06 | 0.02 | hedged possibility 0.99 |
| s3 | It is therefore very crucial to use the results from the existing experiments to see whether we can get even partial answers to these questions. | background 0.78 | 0.05 | 0.03 | asserted 0.97 |
| s4 | In this paper we study the discovery potential of the ongoing NO$\nu$A and T2K experiments as well as the forthcoming T2HK experiment in addressing these questions. | contribution 1.00 | 0.75 | 0.05 | asserted 0.96 |
| s5 | In particular, we evaluate the sensitivity of NO$\nu$A to determine neutrino mass hierarchy, octant degeneracy and to obtain CP violation phase after running for its scheduled period of 3 years in neutrino mode and 3 years in anti-neutrino mode. | method 0.54 | 0.84 | 0.06 | asserted 0.93 |
| s6 | We then extend the analysis to understand the discovery potential if the experiments will run for (5$\nu$+5$\bar{\nu}$) years and (7$\nu$+3$\bar{\nu}$) years. | method 0.68 | 0.85 | 0.04 | asserted 0.51 |
| s7 | We also show how the sensitivity improves when we combine the data from (3$\nu$+3$\bar{\nu}$) years of NO$\nu$A run with (3$\nu$+2$\bar{\nu}$) years of T2K and (3$\nu$+7$\bar{\nu}$) years of T2HK experiments. | method 0.62 | 0.93 | 0.07 | asserted 1.00 |
| s8 | The CP violation sensitivity is marginal for T2K and NO$\nu$A experiments even for ten years data taking of NO$\nu$A. | result 0.99 | 0.89 | 0.18 | asserted 1.00 |
| s9 | T2HK has a significance above 5$\sigma$ for a fraction of two-fifth values of the $\delta_{CP}$ space. | result 1.00 | 0.89 | 0.20 | asserted 1.00 |
| s10 | We also find that $\delta_{CP}$ can be determined to be better than $35^\circ $, $21^\circ $ and $9^\circ $ for all values of $\delta_{CP}$ for T2K, NO$\nu$A and T2HK respectively. | result 1.00 | 0.95 | 0.23 | asserted 1.00 |
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The paper
Original abstract
With the recent measurement of reactor mixing angle $\theta_{13}$ the knowledge of neutrino oscillation parameters that describe PMNS matrix has improved significantly except the CP violating phase $\delta_{CP}$. The other unknown parameters in neutrino oscillation studies are mass hierarchy and the octant of the atmospheric mixing angle $\theta_{23}$. Many dedicated experiments are proposed to determine these parameters which may take at least 10 years from now to become operational. It is therefore very crucial to use the results from the existing experiments to see whether we can get even partial answers to these questions. In this paper we study the discovery potential of the ongoing NO$\nu$A and T2K experiments as well as the forthcoming T2HK experiment in addressing these questions. In particular, we evaluate the sensitivity of NO$\nu$A to determine neutrino mass hierarchy, octant degeneracy and to obtain CP violation phase after running for its scheduled period of 3 years in neutrino mode and 3 years in anti-neutrino mode. We then extend the analysis to understand the discovery potential if the experiments will run for (5$\nu$+5$\bar{\nu}$) years and (7$\nu$+3$\bar{\nu}$) years. We also show how the sensitivity improves when we combine the data from (3$\nu$+3$\bar{\nu}$) years of NO$\nu$A run with (3$\nu$+2$\bar{\nu}$) years of T2K and (3$\nu$+7$\bar{\nu}$) years of T2HK experiments. The CP violation sensitivity is marginal for T2K and NO$\nu$A experiments even for ten years data taking of NO$\nu$A. T2HK has a significance above 5$\sigma$ for a fraction of two-fifth values of the $\delta_{CP}$ space. We also find that $\delta_{CP}$ can be determined to be better than $35^\circ $, $21^\circ $ and $9^\circ $ for all values of $\delta_{CP}$ for T2K, NO$\nu$A and T2HK respectively.
Human review
How the literature uses it
11 arXiv papers cite this in 12 sentences
Papers citing it · 3 sentences without a confident label
Uses its data or values 1 paper
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For the simulation of NO$ν$A experiment, the detector properties and other necessary details are taken from [ref] .
Predicting Leptonic CP phase by considering deviations in charged lepton and neutrino sectors · Simulation details · 0.95
Cites it as background 8 papers
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On the other hand, the T2HK experiment [ref] under construction will be observing muon type and electron type neutrinos (and antineutrinos) from accelerator facilities in Japan [ref] .
Neutrino Mass Ordering -- Circumventing the Challenges using Synergy between T2HK and JUNO · Introduction · 0.98
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Much work has been done over the years assessing the physics reach of T2HK [ref] and DUNE [ref] (along with its predecessor designs LBNE [ref] and LBNO [ref] ).
Sensitivities and synergies of DUNE and T2HK · Introduction · 0.93
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Although such a 3-flavor MH sensitivity curve has been already shown in several previous works [ref] , its behavior deserves some clarification.
Signatures of a Light Sterile Neutrino in T2HK · Mass hierarchy discovery potential in the 3+1 scheme · 0.90
What it cites · 19 sentences without a confident label
Uses the method or tool of 3 papers
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We use GLoBES package [ref] for the simulation to obtain the energy spectra.
First hint for CP violation in neutrino oscillations from upcoming superbeam and reactor experiments · Physics reach · 1.00
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We have considered input files for T2K from the General Long Baseline Experiment Simulator (GLoBES) package [ref] and the updated experimental description of T2K are taken from [ref] .
Neutrino Oscillation Physics Potential of the T2K Experiment · Introduction · 0.88
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We have considered input files for T2K from the General Long Baseline Experiment Simulator (GLoBES) package [ref] and the updated experimental description of T2K are taken from [ref] .
The JHF-Kamioka neutrino project · Introduction · 0.88
Uses data or values from 3 papers
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The detector properties of NO$ν$A considered in our simulations are taken from Ref. [ref] with the following characteristics as given in Table-II.
Potential of optimized NOvA for large theta(13) & combined performance with a LArTPC & T2K · Introduction · 0.96
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The best-fit values and the $3σ$ ranges of the oscillation parameters from Ref. [ref] , are presented in Table-1.
Neutrino oscillations refitted · Introduction · 0.98
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We have considered a fiducial volume of 0.56 Mt, beam power of 7.5 MW and other specifications are taken from [ref] .
A Long Baseline Neutrino Oscillation Experiment Using J-PARC Neutrino Beam and Hyper-Kamiokande · Introduction · 0.99
Compares with 1 paper
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We have matched our results with the ones presented in [ref] .
Neutrino Oscillation Physics Potential of the T2K Experiment · Introduction · 1.00
Cites as background 2 papers
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$∙$ NO$ν$A [ref] is an off-axis long baseline neutrino oscillation experiment designed to study $ν_μ →ν_e$ appearance measurements using Fermilab NuMI muon neutrino beam ($ν_μ$).
NOvA Proposal to Build a 30 Kiloton Off-Axis Detector to Study Neutrino Oscillations in the Fermilab NuMI Beamline · Introduction · 0.95
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The details of T2K experiment can be found from [ref] .
The JHF-Kamioka neutrino project · Introduction · 0.88
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