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Radon Removal in XENONnT down to the Solar Neutrino Level
E. Aprile, J. Aalbers, K. Abe +169
The XENONnT experiment has achieved an exceptionally low Rn activity concentration within its inner 5.9tonne liquid xenon detector of (0.900.01stat.$\…
The neutron veto of the XENONnT experiment: Results with demineralized water
XENON Collaboration, E. Aprile, J. Aalbers +167
Radiogenic neutrons emitted by detector materials are one of the most challenging backgrounds for the direct search of dark matter in the form of weakly interacting massive particl…
Low-Energy Nuclear Recoil Calibration of XENONnT with a YBe Photoneutron Source
XENON Collaboration, E. Aprile, J. Aalbers +169
Characterizing low-energy, keV-range nuclear recoils near the detector threshold is one of the major challenges for large direct dark matter detectors. To that end, we have success…
Neutrinoless Double Beta Decay Sensitivity of the XLZD Rare Event Observatory
XLZD Collaboration, J. Aalbers, K. Abe +441
The XLZD collaboration is developing a two-phase xenon time projection chamber with an active mass of 60 to 80 t capable of probing the remaining WIMP-nucleon interaction parameter…
Model-independent searches of new physics in DARWIN with a semi-supervised deep learning pipeline
J. Aalbers, K. Abe, M. Adrover +231
We present a novel deep learning pipeline to perform a model-independent, likelihood-free search for anomalous (i.e., non-background) events in the proposed next generation multi-t…
The XENONnT Dark Matter Experiment
XENON Collaboration, E. Aprile, J. Aalbers +192
The multi-staged XENON program at INFN Laboratori Nazionali del Gran Sasso aims to detect dark matter with two-phase liquid xenon time projection chambers of increasing size and se…
Cosmogenic background simulations for the DARWIN observatory at different underground locations
M. Adrover, L. Althueser, B. Andrieu +180
Xenon dual-phase time projections chambers (TPCs) have proven to be a successful technology in studying physical phenomena that require low-background conditions. With 40t of liqui…
The Triggerless Data Acquisition System of the XENONnT Experiment
E. Aprile, J. Aalbers, K. Abe +162
The XENONnT detector uses the latest and largest liquid xenon-based time projection chamber (TPC) operated by the XENON Collaboration, aimed at detecting Weakly Interacting Massive…
Low-energy Calibration of XENON1T with an Internal Ar Source
E. Aprile, K. Abe, F. Agostini +161
A low-energy electronic recoil calibration of XENON1T, a dual-phase xenon time projection chamber, with an internal Ar source was performed. This calibration source features…
A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics
J. Aalbers, K. Abe, V. Aerne +591
The nature of dark matter and properties of neutrinos are among the most pressing issues in contemporary particle physics. The dual-phase xenon time-projection chamber is the leadi…
Separation of track- and shower-like energy deposits in ProtoDUNE-SP using a convolutional neural network
DUNE Collaboration, A. Abed Abud, B. Abi +1221
Liquid argon time projection chamber detector technology provides high spatial and calorimetric resolutions on the charged particles traversing liquid argon. As a result, the techn…
Application and modeling of an online distillation method to reduce krypton and argon in XENON1T
E. Aprile, K. Abe, F. Agostini +151
A novel online distillation technique was developed for the XENON1T dark matter experiment to reduce intrinsic background components more volatile than xenon, such as krypton or ar…
Material radiopurity control in the XENONnT experiment
E. Aprile, K. Abe, F. Agostini +150
The selection of low-radioactive construction materials is of the utmost importance for rare-event searches and thus critical to the XENONnT experiment. Results of an extensive rad…
Improved quality tests of R11410-21 photomultiplier tubes for the XENONnT experiment
V. C. Antochi, L. Baudis, J. Bollig +17
Photomultiplier tubes (PMTs) are often used in low-background particle physics experiments, which rely on an excellent response to single-photon signals and stable long-term operat…
Projected WIMP Sensitivity of the XENONnT Dark Matter Experiment
The XENON collaboration, E. Aprile, J. Aalbers +137
XENONnT is a dark matter direct detection experiment, utilizing 5.9 t of instrumented liquid xenon, located at the INFN Laboratori Nazionali del Gran Sasso. In this work, we predic…
Solar Neutrino Detection Sensitivity in DARWIN via Electron Scattering
J. Aalbers, F. Agostini, S. E. M. Ahmed Maouloud +163
We detail the sensitivity of the liquid xenon (LXe) DARWIN observatory to solar neutrinos via elastic electron scattering. We find that DARWIN will have the potential to measure th…
Finding Dark Matter Faster with Explicit Profile Likelihoods
J. Aalbers, B. Pelssers, V. C. Antochi +2
Liquid xenon time-projection chambers are the world's most sensitive detectors for a wide range of dark matter candidates. We show that the statistical analysis of their data can b…
Energy resolution and linearity of XENON1T in the MeV energy range
E. Aprile, J. Aalbers, F. Agostini +135
Xenon dual-phase time projection chambers designed to search for Weakly Interacting Massive Particles have so far shown a relative energy resolution which degrades with energy abov…
XENON1T Dark Matter Data Analysis: Signal Reconstruction, Calibration and Event Selection
E. Aprile, J. Aalbers, F. Agostini +125
The XENON1T experiment at the Laboratori Nazionali del Gran Sasso is the most sensitive direct detection experiment for dark matter in the form of weakly interacting particles (WIM…
The XENON1T Data Acquisition System
E. Aprile, J. Aalbers, F. Agostini +130
The XENON1T liquid xenon time projection chamber is the most sensitive detector built to date for the measurement of direct interactions of weakly interacting massive particles wit…
XENON1T Dark Matter Data Analysis: Signal & Background Models, and Statistical Inference
E. Aprile, J. Aalbers, F. Agostini +123
The XENON1T experiment searches for dark matter particles through their scattering off xenon atoms in a 2 tonne liquid xenon target. The detector is a dual-phase time projection ch…
PTOLEMY: A Proposal for Thermal Relic Detection of Massive Neutrinos and Directional Detection of MeV Dark Matter
E. Baracchini, M. G. Betti, M. Biasotti +48
We propose to achieve the proof-of-principle of the PTOLEMY project to directly detect the Cosmic Neutrino Background (CNB). Each of the technological challenges described in [1,2]…
Material radioassay and selection for the XENON1T dark matter experiment
XENON Collaboration, E. Aprile, J. Aalbers +118
The XENON1T dark matter experiment aims to detect Weakly Interacting Massive Particles (WIMPs) through low-energy interactions with xenon atoms. To detect such a rare event necessi…
Online Rn removal by cryogenic distillation in the XENON100 experiment
XENON Collaboration, E. Aprile, J. Aalbers +119
We describe the purification of xenon from traces of the radioactive noble gas radon using a cryogenic distillation column. The distillation column is integrated into the gas purif…