Search Results - "Kużniak, M."
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Polyethylene naphthalate film as a wavelength shifter in liquid argon detectors
Published in The European physical journal. C, Particles and fields (01-04-2019)“…Liquid argon-based scintillation detectors are important for dark matter searches and neutrino physics. Argon scintillation light is in the vacuum ultraviolet…”
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Technique for surface background rejection in liquid argon dark matter detectors using layered wavelength-shifting and scintillating thin films
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-07-2020)“…A technique using layered wavelength shifting, scintillating and non-scintillating films is presented to achieve discrimination of surface α events from…”
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Development of very-thick transparent GEMs with wavelength-shifting capability for noble element TPCs
Published in The European physical journal. C, Particles and fields (01-07-2021)“…A new concept for the simultaneous detection of primary and secondary scintillation in time projection chambers is proposed. Its core element is a type of…”
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Direct comparison of PEN and TPB wavelength shifters in a liquid argon detector
Published in The European physical journal. C, Particles and fields (01-12-2021)“…A large number of particle detectors employ liquid argon as their target material owing to its high scintillation yield and its ability to drift ionization…”
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Design and construction of the DEAP-3600 dark matter detector
Published in Astroparticle physics (01-03-2019)“…The Dark matter Experiment using Argon Pulse-shape discrimination (DEAP) has been designed for a direct detection search for particle dark matter using a…”
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Surface roughness interpretation of 730 kg days CRESST-II results
Published in Astroparticle physics (01-08-2012)“…The analysis presented in the recent publication of the CRESST-II results [1] finds a statistically significant excess of registered events over known…”
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Ultraviolet-induced fluorescence of poly(methyl methacrylate) compared to 1,1,4,4-tetraphenyl-1,3-butadiene down to 4 K
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-09-2022)“…Several particle-physics experiments use poly(methyl methacrylate) (a.k.a. PMMA or acrylic) vessels to contain liquid scintillators. Superluminal charged…”
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Pulse-shape discrimination against low-energy Ar-39 beta decays in liquid argon with 4.5 tonne-years of DEAP-3600 data
Published in The European physical journal. C, Particles and fields (01-09-2021)“…The DEAP-3600 detector searches for the scintillation signal from dark matter particles scattering on a 3.3 tonne liquid argon target. The largest background…”
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Development and characterization of a slow wavelength shifting coating for background rejection in liquid argon detectors
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-07-2022)“…We describe a technique, applicable to liquid-argon-based dark matter detectors, allowing for discrimination of alpha-decays in detector regions with…”
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The liquid-argon scintillation pulseshape in DEAP-3600
Published in The European physical journal. C, Particles and fields (01-04-2020)“…DEAP-3600 is a liquid-argon scintillation detector looking for dark matter. Scintillation events in the liquid argon (LAr) are registered by 255…”
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In-situ characterization of the Hamamatsu R5912-HQE photomultiplier tubes used in the DEAP-3600 experiment
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-04-2019)“…The Hamamatsu R5912-HQE photomultiplier-tube (PMT) is a novel high-quantum efficiency PMT. It is currently used in the DEAP-3600 dark matter detector and is of…”
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Measurement of the scintillation time spectra and pulse-shape discrimination of low-energy β and nuclear recoils in liquid argon with DEAP-1
Published in Astroparticle physics (01-12-2016)“…The DEAP-1 low-background liquid argon detector was used to measure scintillation pulse shapes of electron and nuclear recoil events and to demonstrate the…”
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Direct experimental limit on neutron-mirror-neutron oscillations
Published in Physical review letters (19-10-2007)“…In case a mirror world with a copy of our ordinary particle spectrum would exist, the neutron n and its degenerate partner, the mirror neutron n', could…”
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SiPM cross-talk in liquid argon detectors
Published in Frontiers in physics (16-05-2023)“…SiPM-based readouts are becoming the standard for light detection in particle detectors given their superior resolution and ease of use with respect to vacuum…”
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Test of Lorentz invariance with spin precession of ultracold neutrons
Published in Physical review letters (21-08-2009)“…A clock comparison experiment, analyzing the ratio of spin precession frequencies of stored ultracold neutrons and 199Hg atoms, is reported. No daily variation…”
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Measurement of the transverse polarization of electrons emitted in free-neutron decay
Published in Physical review letters (01-05-2009)“…Both components of the transverse polarization of electrons (sigmaT1, sigmaT2) emitted in the beta-decay of polarized, free neutrons have been measured. The…”
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DEAP-3600 Dark Matter Search
Published in Nuclear and particle physics proceedings (01-04-2016)“…The DEAP-3600 experiment is located 2 km underground at SNOLAB, in Sudbury, Ontario. It is a single-phase detector that searches for dark matter particle…”
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Neutron to mirror-neutron oscillations in the presence of mirror magnetic fields
Published in Physical review. D, Particles, fields, gravitation, and cosmology (01-08-2009)Get full text
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Improving photoelectron counting and particle identification in scintillation detectors with Bayesian techniques
Published in Astroparticle physics (01-05-2015)“…Many current and future dark matter and neutrino detectors are designed to measure scintillation light with a large array of photomultiplier tubes (PMTs). The…”
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Radon backgrounds in the DEAP-1 liquid-argon-based Dark Matter detector
Published in Astroparticle physics (01-03-2015)“…The DEAP-1 7kg single phase liquid argon scintillation detector was operated underground at SNOLAB in order to test the techniques and measure the backgrounds…”
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