M. Harańczyk
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View article: Cryogenic Performance of Single-Photon Avalanche Diodes for Neutrino Detection
Cryogenic Performance of Single-Photon Avalanche Diodes for Neutrino Detection Open
CMOS single-photon avalanche diodes (SPADs) are regarded as highly promising photodetectors for studying neutrino interactions with liquid argon at cryogenic temperatures (CT). This paper shows the performance of CMOS-SPADs using GlobalFou…
View article: High efficiency glass-based VUV metasurfaces
High efficiency glass-based VUV metasurfaces Open
Most advances in metaoptics have been made at visible wavelengths and above; in contrast, the vacuum ultraviolet (VUV) has barely been explored despite numerous scientific and technological opportunities. Creating metaoptic elements at thi…
View article: Review of Neutron Yield from (α, n) Reactions: Data, Methods, and Prospects
Review of Neutron Yield from (α, n) Reactions: Data, Methods, and Prospects Open
Understanding the radiogenic neutron production rate through the (α, n) reaction is crucial in many areas of physics, including dark matter searches, neutrino studies, and nuclear astrophysics. In addition to its relevance for fundamental …
View article: Review of Neutron Yield from (α, n) Reactions: Data, Methods, and Prospects
Review of Neutron Yield from (α, n) Reactions: Data, Methods, and Prospects Open
Understanding the radiogenic neutron production rate through the (α, n) reaction is crucial in many areas of physics, including dark matter searches, neutrino studies, and nuclear astrophysics. In addition to its relevance for fundamental …
View article: Simple strategy for the simulation of axially symmetric large-area metasurfaces
Simple strategy for the simulation of axially symmetric large-area metasurfaces Open
Metalenses are composed of nanostructures for focusing light and have been widely explored in many exciting applications. However, their expanding dimensions pose simulation challenges. We propose a method to simulate metalenses in a timel…
View article: High efficiency glass-based VUV metasurfaces
High efficiency glass-based VUV metasurfaces Open
Most advances in metaoptics have been made at visible wavelengths and above; in contrast, the vacuum ultraviolet (VUV) has barely been explored despite numerous scientific and technological opportunities. Creating metaoptic elements at thi…
View article: VUV light collection enhancement with metasurface lenses
VUV light collection enhancement with metasurface lenses Open
Vacuum-ultraviolet (VUV) light has applications in many areas of fundamental research and technology, including high-energy physics (HEP) experiments and especially those based on scintillation of noble elements (xenon and argon).There are…
View article: Analog optical signal transmission for HEP experiments
Analog optical signal transmission for HEP experiments Open
A critical element in all high-energy physics experiments is the signal transmission from the active elements to the data acquisition system. It is especially challenging in large volume detectors based on noble liquids that are extensivel…
View article: Simple strategy for simulation of large area of axially symmetric metasurfaces
Simple strategy for simulation of large area of axially symmetric metasurfaces Open
Metalenses are composed of nanostructures for focusing light and have been widely explored in many exciting applications. However, their expanding dimensions pose simulation challenges. We propose a method to simulate metalenses in a timel…
View article: A Method To Characterize Metalenses For Light Collection Applications
A Method To Characterize Metalenses For Light Collection Applications Open
Metalenses and metasurfaces are promising emerging technologies that could improve light collection in light collection detectors, concentrating light on small area photodetectors such as silicon photomultipliers. Here we present a detaile…
View article: Search for low mass dark matter in DarkSide-50: the bayesian network\n approach
Search for low mass dark matter in DarkSide-50: the bayesian network\n approach Open
We present a novel approach for the search of dark matter in the DarkSide-50\nexperiment, relying on Bayesian Networks. This method incorporates the detector\nresponse model into the likelihood function, explicitly maintaining the\nconnect…
View article: Acute Hematogenous Osteomyelitis Resulting in Atraumatic Pediatric Forearm Compartment Syndrome
Acute Hematogenous Osteomyelitis Resulting in Atraumatic Pediatric Forearm Compartment Syndrome Open
Acute hematogenous osteomyelitis is well described after minor trauma in the pediatric population, with an incidence of 1 to 13 cases per 100,000 individuals. Compartment syndrome (CS) in children is a rare, but potentially devastating dis…
View article: Snowmass2021 Cosmic Frontier White Paper: Calibrations and backgrounds for dark matter direct detection
Snowmass2021 Cosmic Frontier White Paper: Calibrations and backgrounds for dark matter direct detection Open
Future dark matter direct detection experiments will reach unprecedented levels of sensitivity. Achieving this sensitivity will require more precise models of signal and background rates in future detectors. Improving the precision of sign…
View article: Detecting long-lived particles trapped in detector material at the LHC
Detecting long-lived particles trapped in detector material at the LHC Open
We propose a two-stage strategy to search for new long-lived particles that could be produced at the CERN LHC, become trapped in detector material, and decay later. In the first stage, metal rods are exposed to LHC collisions in an experim…
View article: arXiv : Detecting long-lived particles trapped in detector material at the LHC
arXiv : Detecting long-lived particles trapped in detector material at the LHC Open
We propose to implement a two-stage detection strategy for exotic long-lived particles that could be produced at the CERN LHC, become trapped in detector material, and decay later. The proposed strategy relies on an array of metal rods, co…
View article: Event vertex reconstruction with deep neural networks for the DarkSide-20k experiment
Event vertex reconstruction with deep neural networks for the DarkSide-20k experiment Open
While deep learning techniques are becoming increasingly more popular in high-energy and, since recently, neutrino experiments, they are less confidently used in direct dark matter searches based on dual-phase noble gas TPCs optimized for …
View article: Searching for neutrinoless double beta decay with GERDA
Searching for neutrinoless double beta decay with GERDA Open
The GERmanium Detector Array (Gerda) experiment located at the INFN Gran Sasso Laboratory (Italy), is looking for the neutrinoless double beta decay of 76 Ge, by using high-purity germanium detectors made from isotopically enriched materia…
View article: Light Dark Matter Search with Ionization Signals in XENON1T
Light Dark Matter Search with Ionization Signals in XENON1T Open
We report constraints on light dark matter (DM) models using ionization signals in the XENON1T experiment. We mitigate backgrounds with strong event selections, rather than requiring a scintillation signal, leaving an effective exposure of…
View article: Search for Light Dark Matter Interactions Enhanced by the Migdal Effect or Bremsstrahlung in XENON1T
Search for Light Dark Matter Interactions Enhanced by the Migdal Effect or Bremsstrahlung in XENON1T Open
Direct dark matter detection experiments based on a liquid xenon target are leading the search for dark matter particles with masses above ∼5 GeV/c^{2}, but have limited sensitivity to lighter masses because of the small momentum transfer …
View article: XENON1T dark matter data analysis: Signal reconstruction, calibration, and event selection
XENON1T dark matter data analysis: Signal reconstruction, calibration, and event selection Open
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 (WIMPs) with masses above 6 GeV/c2 scattering off nuclei. The d…
View article: Probing Majorana neutrinos with double-β decay
Probing Majorana neutrinos with double-β decay Open
Looking for an exotic decay Neutrinos—elementary fermionic particles with no electrical charge—defy the standard model of particle physics by having a tiny, but nonzero mass. One explanation for their properties is that they are Majorana f…
View article: XENON1T dark matter data analysis: Signal and background models and statistical inference
XENON1T dark matter data analysis: Signal and background models and statistical inference Open
The XENON1T experiment searches for dark matter particles through their scattering off xenon atoms in a 2 metric ton liquid xenon target. The detector is a dual-phase time projection chamber, which measures simultaneously the scintillation…
View article: Constraining the Spin-Dependent WIMP-Nucleon Cross Sections with XENON1T
Constraining the Spin-Dependent WIMP-Nucleon Cross Sections with XENON1T Open
We report the first experimental results on spin-dependent elastic weakly interacting massive particle (WIMP) nucleon scattering from the XENON1T dark matter search experiment. The analysis uses the full ton year exposure of XENON1T to con…
View article: First Results on the Scalar WIMP-Pion Coupling, Using the XENON1T Experiment
First Results on the Scalar WIMP-Pion Coupling, Using the XENON1T Experiment Open
We present first results on the scalar coupling of weakly interacting massive particles (WIMPs) to pions from 1 t yr of exposure with the XENON1T experiment. This interaction is generated when the WIMP couples to a virtual pion exchanged b…
View article: Characterisation of Silicon Photomultipliers for liquid xenon detectors
Characterisation of Silicon Photomultipliers for liquid xenon detectors Open
Silicon Photomultipliers (SiPMs) are considered as a solid-state sensor\nalternative to photomultiplier tubes in experiments using liquid xenon (LXe) as\na radiation detection medium. The main requirements are single-photon detection\nof t…
View article: Dark Matter Search Results from a One Ton-Year Exposure of XENON1T
Dark Matter Search Results from a One Ton-Year Exposure of XENON1T Open
We report on a search for weakly interacting massive particles (WIMPs) using 278.8 days of data collected with the XENON1T experiment at LNGS. XENON1T utilizes a liquid xenon time projection chamber with a fiducial mass of (1.30±0.01) ton,…
View article: A precision experiment to investigate long-lived radioactive decays
A precision experiment to investigate long-lived radioactive decays Open
Radioactivity is understood to be described by a Poisson process, yet some\nmeasurements of nuclear decays appear to exhibit unexpected variations.\nGenerally, the isotopes reporting these variations have long half lives, which\nare plague…
View article: Signal yields of keV electronic recoils and their discrimination from nuclear recoils in liquid xenon
Signal yields of keV electronic recoils and their discrimination from nuclear recoils in liquid xenon Open
We report on the response of liquid xenon to low energy electronic recoils below 15 keV from beta decays of tritium at drift fields of 92 V/cm, 154 V/cm and 366 V/cm using the XENON100 detector. A data-to-simulation fitting method based on…