248 citations · 1.1k across the 20 of their papers we have counts for
20 papers
Search for reactor-produced millicharged particles with Skipper-CCDs at the CONNIE and Atucha-II experiments
Alexis A. Aguilar-Arevalo, Nicolas Avalos, Pablo Bellino +37
Millicharged particles, proposed by various extensions of the standard model, can be created in pairs by high-energy photons within nuclear reactors and can interact electromagneti…
Searches for CEνNS and Physics beyond the Standard Model using Skipper-CCDs at CONNIE
Alexis A. Aguilar-Arevalo, Nicolas Avalos, Xavier Bertou +31
The Coherent Neutrino-Nucleus Interaction Experiment (CONNIE) aims to detect the coherent scattering (CENS) of reactor antineutrinos off silicon nuclei using thick fully-deplete…
Lindhard integral equation with binding energy applied to light and charge yields of nuclear recoils in noble liquid detectors
Y. Sarkis, Aguilar-Arevalo, Juan Carlos D'Olivo
We present a model of the ionization efficiency, or quenching factor, for low-energy nuclear recoils, based on a solution to Lindhard integral equation with binding energy and appl…
Ionization efficiency for nuclear recoils in silicon from eV to MeV
Y. Sarkis, A. Aguilar-Arevalo, J. C. D'Olivo
We present a model for the nuclear recoil ionization efficiency in silicon based on an extension of Lindhard's theory where atomic bond disruption is modeled as a function of the i…
EXCESS workshop: Descriptions of rising low-energy spectra
P. Adari, A. Aguilar-Arevalo, D. Amidei +303
Many low-threshold experiments observe sharply rising event rates of yet unknown origins below a few hundred eV, and larger than expected from known backgrounds. Due to the signifi…
Snowmass2021 Cosmic Frontier: The landscape of low-threshold dark matter direct detection in the next decade
Rouven Essig, Graham K. Giovanetti, Noah Kurinsky +90
The search for particle-like dark matter with meV-to-GeV masses has developed rapidly in the past few years. We summarize the science case for these searches, the recent progress,…
Search for coherent elastic neutrino-nucleus scattering at a nuclear reactor with CONNIE 2019 data
CONNIE collaboration, Alexis Aguilar-Arevalo, Javier Bernal +33
The Coherent Neutrino-Nucleus Interaction Experiment (CONNIE) is taking data at the Angra 2 nuclear reactor with the aim of detecting the coherent elastic scattering of reactor ant…
Results on Low-Mass Weakly Interacting Massive Particles from a 11 kg d Target Exposure of DAMIC at SNOLAB (ICRC2021 Proceedings)
Michelangelo Traina
Experimental efforts of the last decades have been unsuccessful in detecting WIMPs (Weakly Interacting Massive Particles) in the 10-to-10 GeV/ range, thus motivating the s…
Measurement of the bulk radioactive contamination of detector-grade silicon with DAMIC at SNOLAB
A. Aguilar-Arevalo, D. Amidei, D. Baxter +28
We present measurements of bulk radiocontaminants in the high-resistivity silicon CCDs from the DAMIC at SNOLAB experiment. We utilize the exquisite spatial resolution of CCDs to d…
Results on Low-Mass Weakly Interacting Massive Particles from an 11 kg-day Target Exposure of DAMIC at SNOLAB
A. Aguilar-Arevalo, D. Amidei, D. Baxter +29
We present constraints on the existence of weakly interacting massive particles (WIMPs) from an 11 kg-day target exposure of the DAMIC experiment at the SNOLAB underground laborato…
Study of the ionization efficiency for nuclear recoils in pure crystals
Youssef Sarkis, Alexis Aguilar-Arevalo, Juan Carlos D'Olivo
We study the basic integral equation in Lindhard's theory describing the energy given to atomic motion by nuclear recoils in a pure material when the atomic binding energy is taken…
Search for light mediators in the low-energy data of the CONNIE reactor neutrino experiment
Alexis Aguilar-Arevalo, Xavier Bertou, Carla Bonifazi +23
The CONNIE experiment is located at a distance of 30 m from the core of a commercial nuclear reactor, and has collected a 3.7 kg-day exposure using a CCD detector array sensitive t…
Constraints on Light Dark Matter Particles Interacting with Electrons from DAMIC at SNOLAB
A. Aguilar-Arevalo, D. Amidei, D. Baxter +31
We report direct-detection constraints on light dark matter particles interacting with electrons. The results are based on a method that exploits the extremely low levels of leakag…
Exploring low-energy neutrino physics with the Coherent Neutrino Nucleus Interaction Experiment (CONNIE)
Alexis Aguilar-Arevalo, Xavier Bertou, Carla Bonifazi +30
The Coherent Neutrino-Nucleus Interaction Experiment (CONNIE) uses low-noise fully depleted charge-coupled devices (CCDs) with the goal of measuring low-energy recoils from coheren…
First Direct-Detection Constraints on eV-Scale Hidden-Photon Dark Matter with DAMIC at SNOLAB
A. Aguilar-Arevalo, D. Amidei, X. Bertou +35
We present direct detection constraints on the absorption of hidden-photon dark matter with particle masses in the range 1.2-30 eV with the DAMIC experiment at SNOLAB. Unde…
Search for low-mass WIMPs in a 0.6 kg day exposure of the DAMIC experiment at SNOLAB
A. Aguilar-Arevalo, D. Amidei, X. Bertou +35
We present results of a dark matter search performed with a 0.6 kg day exposure of the DAMIC experiment at the SNOLAB underground laboratory. We measure the energy spectrum of ioni…
The DAMIC dark matter experiment
A. Aguilar-Arevalo, D. Amidei, X. Bertou +30
The DAMIC (Dark Matter in CCDs) experiment uses high resistivity, scientific grade CCDs to search for dark matter. The CCD's low electronic noise allows an unprecedently low energy…
Status of the DAMIC direct dark matter search experiment
DAMIC Collaboration, A. Aguilar-Arevalo, D. Amidei +31
The DAMIC experiment uses fully depleted, high resistivity CCDs to search for dark matter particles. With an energy threshold 50 eV, and excellent energy and spatial r…
Measurement of radioactive contamination in the high-resistivity silicon CCDs of the DAMIC experiment
A. Aguilar-Arevalo, D. Amidei, X. Bertou +30
We present measurements of radioactive contamination in the high-resistivity silicon charge-coupled devices (CCDs) used by the DAMIC experiment to search for dark matter particles.…
DAMIC at SNOLAB
Alvaro Chavarria, Javier Tiffenberg, Alexis Aguilar-Arevalo +19
We introduce the fully-depleted charge-coupled device (CCD) as a particle detector. We demonstrate its low energy threshold operation, capable of detecting ionizing energy depositi…