M. Jakkapu

activity

20192026

p \to e^{+} π^{0}

and

p \to μ^{+} π^{0}

with an enlarged fiducial volume in Super-Kamiokande I-IV

132 citations · 931 across the 53 of their papers we have counts for

collaborators

57 papers

hep-ex2026

Search for the $^{16} O (ppp) \to^{13} C π^{+} π^{+} e^{+}$ Decay Mode in Super-Kamiokande Using Machine Learning Techniques

Kamiokande Collaboration, J. Feng, K. Abe +296

We report a new partial lifetime limit of $4.2 \times 1 0^{32}$ years for the trinucleon decay mode $^{16} O (ppp) \to^{13} C π^{+} π^{+} e^{+}$ , obtained from a searc…

hep-ex2026

Exploring ESS $ν$ SB Near Water Cherenkov Detector Designs Through Graph Neural Network Flavour Identification

J. Aguilar, M. Anastasopoulos, D. Barčot +100

The ESS $ν$ SB experiment aims to measure CP violation in the leptonic sector with high precision, necessitating robust reconstruction of neutrino events in the water Cherenkov (WC)…

hep-ex2026

Measurement of reconstructed final-state kinematics in charged-current interactions on water using the J-PARC $ν_{μ}$ beam and NINJA emulsion detector

NINJA Collaboration, A. Kasumi, S. Han +50

We present a study of charged-particle multiplicities and the kinematic distributions of muons, protons, and charged pions in a flux-integrated sample of charged-current inclusive…

hep-ph2026

Feasibility study of light sterile neutrino searches with a future NINJA-like detector

Doris Barčot, Tsutomu Fukuda, Monojit Ghosh +8

In this paper, we investigate the sensitivity of future NINJA-like experiment at J-PARC to eV-scale sterile neutrinos within the 3+1 framework. We perform a phenomenological feasib…

hep-ex2026

Study of Supernova Neutrinos at ESSnuSB

ESSnuSB, :, J. Aguilar +97

In this paper, we have studied the sensitivity of the ESSnuSB far detector to supernova neutrinos. ESSnuSB is a proposed long-baseline neutrino experiment in Sweden, which will use…

hep-ex2026

Search for proton decay via $p \to e^{+} π^{0} π^{0}$ and $p \to μ^{+} π^{0} π^{0}$ in 0.401 megaton-years exposure of Super-Kamiokande I-V

Kamiokande Collaboration, K. Abe, S. Abe +310

We searched for proton decay via $p \to e^{+} π^{0} π^{0}$ and $p \to μ^{+} π^{0} π^{0}$ in 0.401 megaton-years of data collected in all pure water detector phases of Super-Kamiokande…

astro-ph.HE2026

Development of Faster and More Accurate Supernova Localization at Super-Kamiokande

K. Abe, Y. Asaoka, M. Harada +272

The next nearby core-collapse supernova (SN) promises to yield a treasure of scientific information through multi-messenger astronomy. Early observations of the shock breakout (SBO…

physics.ins-det2026

The Super Fine-Grained Detector for the T2K neutrino oscillation experiment

S. Abe, H. Alarakia-Charles, I. Alekseev +169

The magnetised near detector ND280 of the long-baseline neutrino experiment T2K has been upgraded to improve its detection performance and, consequently, enhance our understanding…

astro-ph.HE2025

First Associated Neutrino Search for a Failed Supernova Candidate with Super-Kamiokande

F. Nakanishi, K. Abe, S. Abe +243

In 2024, a failed supernova candidate, M31-2014-DS1, was reported in the Andromeda galaxy (M31), located at a distance of approximately 770 kpc. In this paper, we search for neutri…

astro-ph.HE2025★ 1 cited

Search for Diffuse Supernova Neutrino Background with 956.2 days of Super-Kamiokande Gadolinium Dataset

K. Abe, S. Abe, Y. Asaoka +245

We report the search result for the Diffuse Supernova Neutrino Background (DSNB) in neutrino energies beyond 9.3~MeV in the gadolinium-loaded Super-Kamiokande (SK) detector with $2…

hep-ex2025

Search for nucleon decay via $p \to ν π^{+}$ and $n \to ν π^{0}$ in 0.484 Mton-year of Super-Kamiokande data

Kamiokande Collaboration, S. Jung, K. Abe +243

We present the results of searches for nucleon decays via $p \to ν π^{+}$ and $n \to ν π^{0}$ using a 0.484 Mt $\cdot$ yr exposure of Super-Kamiokande I-V data covering the…

physics.ins-det2025★ 2 cited

Introducing a Markov Chain-Based Time Calibration Procedure for Multi-Channel Particle Detectors: Application to the SuperFGD and ToF Detectors of the T2K Experiment

S. Abe, H. Alarakia-Charles, I. Alekseev +190

Inter-channel mis-synchronisation can be a limiting factor to the time resolution of high performance timing detectors with multiple readout channels and independent electronics un…

hep-ex2025

Search for neutron decay into an antineutrino and a neutral kaon in 0.401 megaton-years exposure of Super-Kamiokande

Kamiokande Collaboration, K. Yamauchi, K. Abe +261

We searched for bound neutron decay via $n \to ν ˉ + K^{0}$ predicted by the Grand Unified Theories in 0.401 Mton $\cdot$ years exposure of all pure water phases in the Super-Kamiokande…

hep-ph2025

Probing Long-Range Forces in Neutrino Oscillations at the ESSnuSB Experiment

ESSnuSB, :, J. Aguilar +97

Neutrino oscillations constitute an excellent tool to probe physics beyond the Standard Model. In this paper, we investigate the potential of the ESSnuSB experiment to constrain th…

hep-ex2024★ 1 cited

Characterization of the optical model of the T2K 3D segmented plastic scintillator detector

S. Abe, I. Alekseev, T. Arai +128

The magnetised near detector (ND280) of the T2K long-baseline neutrino oscillation experiment has been recently upgraded aiming to satisfy the requirement of reducing the systemati…

physics.ins-det2024★ 1 cited

Performance tests and hardware qualification of the FEBs for the Super-FGD of T2K Phase II

Lorenzo Giannessi, Franck Cadoux, Sebastien Cap +8

T2K is a long baseline neutrino experiment, entering Phase II with a Near Detector upgrade. The T2K near detector (ND280) upgrade consists of the installation of three new detector…

hep-ex2024

Search for proton decay via $p \to e^{+} η$ and $p \to μ^{+} η$ with a 0.37 Mton-year exposure of Super-Kamiokande

Kamiokande Collaboration, N. Taniuchi, K. Abe +288

A search for proton decay into $e^{+} / μ^{+}$ and a $η$ meson has been performed using data from a 0.373 Mton $\cdot$ year exposure (6050.3 live days) of Super-Kamiokande. Compared to pre…

hep-ex2024

First joint oscillation analysis of Super-Kamiokande atmospheric and T2K accelerator neutrino data

Super-Kamiokande, T2K collaborations, : +545

The Super-Kamiokande and T2K collaborations present a joint measurement of neutrino oscillation parameters from their atmospheric and beam neutrino data. It uses a common interacti…

astro-ph.IM2024★ 3 cited

Development of a data overflow protection system for Super-Kamiokande to maximize data from nearby supernovae

M. Mori, K. Abe, Y. Hayato +252

Neutrinos from very nearby supernovae, such as Betelgeuse, are expected to generate more than ten million events over 10\,s in Super-Kamokande (SK). At such large event rates, the…

astro-ph.HE2024

Performance of SK-Gd's Upgraded Real-time Supernova Monitoring System

Y. Kashiwagi, K. Abe, C. Bronner +236

Among multi-messenger observations of the next galactic core-collapse supernova, Super-Kamiokande (SK) plays a critical role in detecting the emitted supernova neutrinos, determini…

hep-ex2024★ 1 cited

Measurements of the charge ratio and polarization of cosmic-ray muons with the Super-Kamiokande detector

H. Kitagawa, T. Tada, K. Abe +253

We present the results of the charge ratio ( $R$ ) and polarization ( $P_{0}^{μ}$ ) measurements using the decay electron events collected from 2008 September to 2022 June by the Super-K…

physics.ins-det2024★ 23 cited

Second gadolinium loading to Super-Kamiokande

K. Abe, C. Bronner, Y. Hayato +246

The first loading of gadolinium (Gd) into Super-Kamiokande in 2020 was successful, and the neutron capture efficiency on Gd reached 50\%. To further increase the Gd neutron capture…

hep-ex2023★ 46 cited

Solar neutrino measurements using the full data period of Super-Kamiokande-IV

Kamiokande Collaboration, K. Abe, C. Bronner +322

An analysis of solar neutrino data from the fourth phase of Super-Kamiokande~(SK-IV) from October 2008 to May 2018 is performed and the results are presented. The observation time…

hep-ex2023★ 35 cited

Atmospheric neutrino oscillation analysis with neutron tagging and an expanded fiducial volume in Super-Kamiokande I-V

Kamiokande Collaboration, T. Wester, K. Abe +233

We present a measurement of neutrino oscillation parameters with the Super-Kamiokande detector using atmospheric neutrinos from the complete pure-water SK I-V (April 1996-July 2020…

Search for the 16O(ppp)→13Cπ+π+e+ Decay Mode in Super-Kamiokande Using Machine Learning Techniques

Exploring ESSνSB Near Water Cherenkov Detector Designs Through Graph Neural Network Flavour Identification

Measurement of reconstructed final-state kinematics in charged-current interactions on water using the J-PARC νμ​ beam and NINJA emulsion detector

Feasibility study of light sterile neutrino searches with a future NINJA-like detector

Study of Supernova Neutrinos at ESSnuSB

Search for proton decay via p→e+π0π0 and p→μ+π0π0 in 0.401 megaton-years exposure of Super-Kamiokande I-V

Development of Faster and More Accurate Supernova Localization at Super-Kamiokande

The Super Fine-Grained Detector for the T2K neutrino oscillation experiment

First Associated Neutrino Search for a Failed Supernova Candidate with Super-Kamiokande

Search for Diffuse Supernova Neutrino Background with 956.2 days of Super-Kamiokande Gadolinium Dataset

Search for nucleon decay via p→νπ+ and n→νπ0 in 0.484 Mton-year of Super-Kamiokande data

Introducing a Markov Chain-Based Time Calibration Procedure for Multi-Channel Particle Detectors: Application to the SuperFGD and ToF Detectors of the T2K Experiment

Search for neutron decay into an antineutrino and a neutral kaon in 0.401 megaton-years exposure of Super-Kamiokande

Probing Long-Range Forces in Neutrino Oscillations at the ESSnuSB Experiment

Characterization of the optical model of the T2K 3D segmented plastic scintillator detector

Performance tests and hardware qualification of the FEBs for the Super-FGD of T2K Phase II

Search for proton decay via p→e+η and p→μ+η with a 0.37 Mton-year exposure of Super-Kamiokande

First joint oscillation analysis of Super-Kamiokande atmospheric and T2K accelerator neutrino data

Development of a data overflow protection system for Super-Kamiokande to maximize data from nearby supernovae

Performance of SK-Gd's Upgraded Real-time Supernova Monitoring System

Measurements of the charge ratio and polarization of cosmic-ray muons with the Super-Kamiokande detector

Second gadolinium loading to Super-Kamiokande

Solar neutrino measurements using the full data period of Super-Kamiokande-IV

Atmospheric neutrino oscillation analysis with neutron tagging and an expanded fiducial volume in Super-Kamiokande I-V

Search for the $^{16} O (ppp) \to^{13} C π^{+} π^{+} e^{+}$ Decay Mode in Super-Kamiokande Using Machine Learning Techniques

Exploring ESS $ν$ SB Near Water Cherenkov Detector Designs Through Graph Neural Network Flavour Identification

Measurement of reconstructed final-state kinematics in charged-current interactions on water using the J-PARC $ν_{μ}$ beam and NINJA emulsion detector

Search for proton decay via $p \to e^{+} π^{0} π^{0}$ and $p \to μ^{+} π^{0} π^{0}$ in 0.401 megaton-years exposure of Super-Kamiokande I-V

Search for nucleon decay via $p \to ν π^{+}$ and $n \to ν π^{0}$ in 0.484 Mton-year of Super-Kamiokande data

Search for proton decay via $p \to e^{+} η$ and $p \to μ^{+} η$ with a 0.37 Mton-year exposure of Super-Kamiokande