Explanipedia

Measurement of the branching ratio of $\mathrm{^{16}N}$, $\mathrm{^{15}C}$, $\mathrm{^{12}B}$, and $\mathrm{^{13}B}$ isotopes through the nuclear muon capture reaction in the Super-Kamiokande detector Open

M. Kobayashi, K. Abe, Shintaro Miki, Y Asaoka, Y. Asaoka , et al. · 2025

The Super-Kamiokande detector has measured solar neutrinos for more than $25$ years. The sensitivity for solar neutrino measurement is limited by the uncertainties of energy scale and background modeling. Decays of unstable isotopes with r…

Measurement of neutron production in atmospheric neutrino interactions at Super-Kamiokande Open

S. Han, K. Abe, S. Abe, Y. Asaoka, C. Bronner , et al. · 2025

We present measurements of total neutron production from atmospheric neutrino interactions in water, analyzed as a function of electron-equivalent visible energy over a range of 30 MeV to 10 GeV. These results are based on 4,270 days of da…

First Joint Oscillation Analysis of Super-Kamiokande Atmospheric and T2K Accelerator Neutrino Data Open

K. Abe, S Abe, C. Bronner, Y. Hayato, K. Hiraide , et al. · 2025

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 interaction model for events overlapping in neutrino energy and corr…

Demonstration of event position reconstruction based on diffusion in the NEXT-white detector Open

J. Haefner, K. E. Navarro, R. Guénette, B. J. P. Jones, A. Tripathi , et al. · 2024

Measurement of the neutrino-oxygen neutral-current quasielastic cross section using atmospheric neutrinos in the SK-Gd experiment Open

S. Sakai, K. Abe, C. Bronner, Y. Hayato, K. Hiraide , et al. · 2023

We report the first measurement of the atmospheric neutrino-oxygen neutral-current quasielastic (NCQE) cross section in the gadolinium-loaded Super-Kamiokande (SK) water Cherenkov detector. In June 2020, SK began a new experimental phase, …

Demonstration of Event Position Reconstruction based on Diffusion in the NEXT-White Detector Open

J. Haefner, K. E. Navarro, R. Guénette, B. J. P. Jones, A. Tripathi , et al. · 2023

Noble element time projection chambers are a leading technology for rare event detection in physics, such as for dark matter and neutrinoless double beta decay searches. Time projection chambers typically assign event position in the drift…

NEXT-CRAB-0: a high pressure gaseous xenon time projection chamber with a direct VUV camera based readout Open

N. K. Byrnes, I. Parmaksiz, C. Adams, J. Asaadi, J. Baeza-Rubio , et al. · 2023

The search for neutrinoless double beta decay (0 νββ ) remains one of the most compelling experimental avenues for the discovery in the neutrino sector. Electroluminescent gas-phase time projection chambers are well suited to 0 νββ searche…

Demonstration of neutrinoless double beta decay searches in gaseous xenon with NEXT Open

NEXT Collaboration, P. Novella, M. Sorel, A. Usón, C. Adams , et al. · 2023

The NEXT experiment aims at the sensitive search of the neutrinoless double beta decay in $^{136}$Xe, using high-pressure gas electroluminescent time projection chambers. The NEXT-White detector is the first radiopure demonstrator of this …

NEXT-CRAB-0: A High Pressure Gaseous Xenon Time Projection Chamber with a Direct VUV Camera Based Readout Open

NEXT Collaboration, N. K. Byrnes, I. Parmaksiz, C. Adams, J. Asaadi , et al. · 2023

The search for neutrinoless double beta decay ($0νββ$) remains one of the most compelling experimental avenues for the discovery in the neutrino sector. Electroluminescent gas-phase time projection chambers are well suited to $0νββ$ search…

Search for supernova bursts in Super-Kamiokande IV Open

Kamiokande Collaboration, M. Mori, K. Abe, Y. Hayato, K. Hiraide , et al. · 2022

Super-Kamiokande has been searching for neutrino bursts characteristic of core-collapse supernovae continuously, in real time, since the start of operations in 1996. The present work focuses on detecting more distant supernovae whose event…

Measurement of the two-neutrino double--decay half-life via direct background subtraction in NEXT Open

P. Novella, M. Sorel, A. Usón, C. Adams, H. Almazán , et al. · 2022

Here, we report a measurement of the half-life of the ¹³⁶Xe two-neutrino double-β decay performed with a novel direct-background-subtraction technique. The analysis relies on the data collected with the NEXT-White detector opera…

Neutral Bremsstrahlung Emission in Xenon Unveiled Open

C. A. O. Henriques, P. Amedo, J. M. R. Teixeira, D. González-Díaz, C.D.R. Azevedo , et al. · 2022

We present evidence of non-excimer-based secondary scintillation in gaseous xenon, obtained using both the NEXT-White time projection chamber (TPC) and a dedicated setup. Detailed comparison with\nfirst-principle calculations allows us to …

First gadolinium loading to Super-Kamiokande Open

K. Abe, C. Bronner, Y. Hayato, K. Hiraide, M. Ikeda , et al. · 2021

Boosting background suppression in the NEXT experiment through Richardson-Lucy deconvolution Open

A. Simón, Y. Ifergan, A. B. Redwine, R. Weiss-Babai, L. Arazi , et al. · 2021

A bstract Next-generation neutrinoless double beta decay experiments aim for half-life sensitivities of ∼ 10 27 yr, requiring suppressing backgrounds to < 1 count/tonne/yr. For this, any extra background rejection handle, beyond excellent …

Search for proton decay via and with an enlarged fiducial volume in Super-Kamiokande I-IV Open

A. Takenaka, K. Abe, C. Bronner, Y. Hayato, M. Ikeda , et al. · 2020

We have searched for proton decay via p→e+π0 and p→μ+π0 modes with the enlarged fiducial volume data of Super-Kamiokande from April 1996 to May 2018, which corresponds to 450 kton⋅years exposure. We have accumulated about 25% more livetime…

Search for proton decay into three charged leptons in 0.37 megaton-years exposure of the Super-Kamiokande Open

M. Tanaka, K. Abe, C. Bronner, Y. Hayato, M. Ikeda , et al. · 2020

A search for proton decay into three charged leptons has been performed by using 0.37 Mton ⋅ years of data collected in Super-Kamiokande. All possible combinations of electrons, muons, and their antiparticles consistent with charge conserv…

Evaluation of gadolinium’s action on water Cherenkov detector systems with EGADS Open

Ll. Marti, M. Ikeda, Y. Kato, Y. Kishimoto, M. Nakahata , et al. · 2020

Artículo escrito por un elevado número de autores, sólo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiera, y los autores pertenecientes a la UAM

Energy calibration of the NEXT-White detector with 1% resolution near Qββ of 136Xe Open

J. Renner, G. Lopez, P. Ferrario, J. A. Hernando Morata, M. Kekic , et al. · 2019

A bstract Excellent energy resolution is one of the primary advantages of electroluminescent high-pressure xenon TPCs. These detectors are promising tools in searching for rare physics events, such as neutrinoless double-beta decay ( ββ 0 …

Demonstration of the event identification capabilities of the NEXT-White detector Open

P. Ferrario, J. M. Benlloch-Rodríguez, G. Lopez, J. A. Hernando Morata, M. Kekic , et al. · 2019

A bstract In experiments searching for neutrinoless double-beta decay, the possibility of identifying the two emitted electrons is a powerful tool in rejecting background events and therefore improving the overall sensitivity of the experi…

Radiogenic backgrounds in the NEXT double beta decay experiment Open

P. Novella, B. Palmeiro, M. Sorel, A. Usón, P. Ferrario , et al. · 2019

Evaluation of Gadolinium's Action on Water Cherenkov Detector Systems with EGADS Open

Ll. Marti, M. Ikeda, Y. Kato, Y. Kishimoto, M. Nakahata , et al. · 2019

Used for both proton decay searches and neutrino physics, large water Cherenkov (WC) detectors have been very successful tools in particle physics. They are notable for their large masses and charged particle detection capabilities. While …

Electron drift and longitudinal diffusion in high pressure xenon-helium gas mixtures Open

A.D. McDonald, K. Woodruff, B. Al Atoum, D. González-Díaz, B. J. P. Jones , et al. · 2019

We report new measurements of the drift velocity and longitudinal diffusion coefficients of electrons in pure xenon gas and in xenon-helium gas mixtures at 1-9 bar and electric field strengths of 50-300 V/cm. In pure xenon we find excellen…

Measurement of radon-induced backgrounds in the NEXT double beta decay experiment Open

NEXT Collaboration, P. Novella, B. Palmeiro, A. Simón, M. Sorel , et al. · 2018

The measurement of the internal $^{222}$Rn activity in the NEXT-White detector during the so-called Run-II period with $^{136}$Xe-depleted xenon is discussed in detail, together with its implications for double beta decay searches in NEXT.…

Microscopic simulation of xenon-based optical TPCs in the presence of molecular additives Open

C.D.R. Azevedo, D. González-Díaz, S. Biagi, C.A.B. Oliveira, C. A. O. Henriques , et al. · 2017

Results of the material screening program of the NEXT experiment Open

T. Dafní, V. Álvarez, I. Bandac, A. Bettini, F.I.G.M. Borges , et al. · 2016

Accurate γ and MeV-electron track reconstruction with an ultra-low diffusion Xenon/TMA TPC at 10 atm Open

D. González-Díaz, V. Álvarez, F.I.G.M. Borges, Manuél Camargo, S. Cárcel , et al. · 2015

Radon and material radiopurity assessment for the NEXT double beta decay experiment Open

S. Cebrián, J. Pérez, I. Bandac, L. Labarga, V. Álvarez , et al. · 2015

The Neutrino Experiment with a Xenon TPC (NEXT), intended to investigate the neutrinoless double beta decay using a high-pressure xenon gas TPC filled with Xe enriched in 136Xe at the Canfranc Underground Laboratory in Spain, requires ultr…

Ionization and scintillation of nuclear recoils in gaseous xenon Open

J. Renner, V.M. Gehman, A. Goldschmidt, H. S. Matis, T. Miller , et al. · 2015

Search for dinucleon decay into pions at Super-Kamiokande Open

J. Gustafson, K. Abe, Y. Haga, Y. Hayato, M. Ikeda , et al. · 2015

A search for dinucleon decay into pions with the Super-Kamiokande detector\nhas been performed with an exposure of 282.1 kiloton-years. Dinucleon decay is\na process that violates baryon number by two units. We present the first search\nfo…

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