443 citations · 1.7k across the 28 of their papers we have counts for
28 papers
Characterization of spurious-electron signals in the double-phase argon TPC of the DarkSide-50 experiment
50 Collaboration, P. Agnes, I. F. Albuquerque +144
Spurious-electron signals in dual-phase noble liquid time projection chambers have been observed in both xenon and argon Time Projection Chambers (TPCs). This paper presents the fi…
Long-term temporal stability of the DarkSide-50 dark matter detector
50 Collaboration, P. Agnes, I. F. M. Albuquerque +142
The stability of a dark matter detector on the timescale of a few years is a key requirement due to the large exposure needed to achieve a competitive sensitivity. It is especially…
Search for dark matter annual modulation with DarkSide-50
50 Collaboration, P. Agnes, I. F. M. Albuquerque +142
Dark matter induced event rate in an Earth-based detector is predicted to show an annual modulation as a result of the Earth's orbital motion around the Sun. We searched for this m…
Search for low mass dark matter in DarkSide-50: the bayesian network approach
50 Collaboration, P. Agnes, I. F. M. Albuquerque +140
We present a novel approach for the search of dark matter in the DarkSide-50 experiment, relying on Bayesian Networks. This method incorporates the detector response model into the…
Sensitivity projections for a dual-phase argon TPC optimized for light dark matter searches through the ionization channel
P. Agnes, I. Ahmad, S. Albergo +296
Dark matter lighter than 10 GeV/c encompasses a promising range of candidates. A conceptual design for a new detector, DarkSide-LowMass, is presented, based on the DarkSide-50…
KMHK 1762: Another star cluster in the Large Magellanic Cloud age gap
M. Gatto, V. Ripepi, M. Bellazzini +11
The star cluster (SC) age distribution of the Large Magellanic Cloud (LMC) exhibits a gap from 4 to 10 Gyr ago, with an almost total absence of SCs. Within this age gap, onl…
Search for dark matter particle interactions with electron final states with DarkSide-50
50 Collaboration, P. Agnes, I. F. M. Albuquerque +140
We present a search for dark matter particles with sub-GeV/ masses whose interactions have final state electrons using the DarkSide-50 experiment's (12306 184) kg d low-…
Search for dark matter-nucleon interactions via Migdal effect with DarkSide-50
50 Collaboration, P. Agnes, I. F. M. Albuquerque +141
Dark matter elastic scattering off nuclei can result in the excitation and ionization of the recoiling atom through the so-called Migdal effect. The energy deposition from the ioni…
Search for low-mass dark matter WIMPs with 12 ton-day exposure of DarkSide-50
50 Collaboration, P. Agnes, I. F. M. Albuquerque +139
We report on the search for dark matter WIMPs in the mass range below 10 GeV/c, from the analysis of the entire dataset acquired with a low-radioactivity argon target by the Da…
Deep VLT photometry of the faint stellar system in the Large Magellanic Cloud periphery YMCA-1
M. Gatto, V. Ripepi, M. Bellazzini +11
We present FORS2@VLT follow-up photometry of YMCA-1, a recently discovered stellar system located 13\degr~from the Large Magellanic Cloud (LMC) center. The deep color-magnitude dia…
Euclid: Searching for pair-instability supernovae with the Deep Survey
T. J. Moriya, C. Inserra, M. Tanaka +106
Pair-instability supernovae are theorized supernovae that have not yet been observationally confirmed. They are predicted to exist in low-metallicity environments. Because overall…
Discovery of NES, an extended tidal structure in the North-East of the Large Magellanic Cloud
M. Gatto, V. Ripepi, M. Bellazzini +4
We report on the discovery of a new diffuse stellar sub-structure protruding for 5 degrees from the North-Eastern rim of the LMC disc. The structure, that we dub North-East Structu…
First direct detection constraints on Planck-scale mass dark matter with multiple-scatter signatures using the DEAP-3600 detector
P. Adhikari, R. Ajaj, M. Alpízar-Venegas +94
Dark matter particles with Planck-scale mass () arise in well-motivated theories and could be produced by several cosmological mechanisms. Using a blin…
YMCA-1: a new remote star cluster of the Milky Way?
M. Gatto, V. Ripepi, M. Bellazzini +11
We report the possible discovery of a new stellar system (YMCA-1), identified during a search for small scale overdensities in the photometric data of the YMCA survey. The object's…
Calibration of the liquid argon ionization response to low energy electronic and nuclear recoils with DarkSide-50
The DarkSide collaboration, P. Agnes, I. F. M. Albuquerque +136
DarkSide-50 has demonstrated the high potential of dual-phase liquid argon time projection chambers in exploring interactions of WIMPs in the GeV/c mass range. The technique, b…
A study of events with photoelectric emission in the DarkSide-50 liquid argon Time Projection Chamber
50 Collaboration, P. Agnes, I. F. M. Albuquerque +135
Finding unequivocal evidence of dark matter interactions in a particle detector is a major objective of physics research. Liquid argon time projection chambers offer a path to prob…
Pulseshape discrimination against low-energy Ar-39 beta decays in liquid argon with 4.5 tonne-years of DEAP-3600 data
The DEAP Collaboration, P. Adhikari, R. Ajaj +126
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 comes from Ar b…
Sensitivity of future liquid argon dark matter search experiments to core-collapse supernova neutrinos
P. Agnes, S. Albergo, I. F. M. Albuquerque +273
Future liquid-argon DarkSide-20k and ARGO detectors, designed for direct dark matter search, will be sensitive also to core-collapse supernova neutrinos, via coherent elastic neutr…
Euclid preparation: X. The Euclid photometric-redshift challenge
Euclid Collaboration, G. Desprez, S. Paltani +170
Forthcoming large photometric surveys for cosmology require precise and accurate photometric redshift (photo-z) measurements for the success of their main science objectives. Howev…
A search for star clusters in the outskirts of the Large Magellanic Cloud: indication of clusters in the age gap
M. Gatto, V. Ripepi, M. Bellazzini +7
The YMCA (Yes, Magellanic Clouds Again) and STEP ({The SMC in Time: Evolution of a Prototype interacting late-type dwarf galaxy) projects are deep g,i photometric surveys carried o…
Constraints on dark matter-nucleon effective couplings in the presence of kinematically distinct halo substructures using the DEAP-3600 detector
P. Adhikari, R. Ajaj, C. E. Bina +81
DEAP-3600 is a single-phase liquid argon detector aiming to directly detect Weakly Interacting Massive Particles (WIMPs), located at SNOLAB (Sudbury, Canada). After analyzing data…
The liquid-argon scintillation pulseshape in DEAP-3600
The DEAP collaboration, P. Adhikari, R. Ajaj +98
DEAP-3600 is a liquid-argon scintillation detector looking for dark matter. Scintillation events in the liquid argon (LAr) are registered by 255 photomultiplier tubes (PMTs), and p…
Electromagnetic Backgrounds and Potassium-42 Activity in the DEAP-3600 Dark Matter Detector
R. Ajaj, G. R. Araujo, M. Batygov +88
The DEAP-3600 experiment is searching for WIMP dark matter with a 3.3 tonne single phase liquid argon (LAr) target, located 2.1 km underground at SNOLAB. The experimental signature…
Search for dark matter with a 231-day exposure of liquid argon using DEAP-3600 at SNOLAB
R. Ajaj, P. -A. Amaudruz, G. R. Araujo +99
DEAP-3600 is a single-phase liquid argon (LAr) direct-detection dark matter experiment, operating 2 km underground at SNOLAB (Sudbury, Canada). The detector consists of 3279 kg of…