papers

Publications (8)

nucl-ex2019

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…

astro-ph.CO2022

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…

astro-ph.CO2022

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…

physics.ins-det2023

Precision Measurement of the Specific Activity of Ar in Atmospheric Argon with the DEAP-3600 Detector

P. Adhikari, R. Ajaj, M. Alpízar-Venegas +147

The specific activity of the beta decay of Ar in atmospheric argon is measured using the DEAP-3600 detector. DEAP-3600, located 2 km underground at SNOLAB, uses a total of (…

physics.ins-det2025

Position Reconstruction in the DEAP-3600 Dark Matter Search Experiment

The DEAP Collaboration, P. Adhikari, R. Ajaj +162

In the DEAP-3600 dark matter search experiment, precise reconstruction of the positions of scattering events in liquid argon is key for background rejection and defining a fiducial…

physics.ins-det2020

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…