activity
20172026
most citedSingle-electron and single-photon sensitivity with a silicon Skipper CCD

284 citations · 701 across the 20 of their papers we have counts for

collaborators

21 papers

physics.ins-det2026

CMOS Image Sensors for CEvNS Detection at Nuclear Reactors

Santiago Ezequiel Perez, Dario Rodrigues, Miguel Sofo-Haro

In this work we present Complementary Metal-Oxide-Semiconductor (CMOS) Image Sensors (CIS) for reactor neutrino experiments targeting coherent elastic neutrino-nucleus scattering (…

physics.ins-det2026

Characterization of Spurious Charge in SENSEI Skipper-CCDs

Yikai Wu, Ansh Desai, Sho Uemura +16

Skipper Charge-Coupled Devices (Skipper-CCDs) are a leading technology in the search for sub-GeV dark matter and coherent elastic neutrino-nucleus scattering. A key background for…

physics.ins-det2026

X-ray Response of the Fully-Depleted, p-Channel SiSeRO-CCD

Julian Cuevas-Zepeda, Joseph Noonan, Claudio Chavez +6

We present an X-ray characterization of a fully depleted, 725 m thick p-channel SiSeRO-CCD. Measurements with a Fe source yield an energy resolution of eV ($…

physics.ins-det2026

A Sub-electron-noise Skipper-CCD Readout ASIC with Improved Channel-to-channel Isolation and an Integrated Cryogenic Voltage Reference

Fabricio Alcalde Bessia, Claudio Chavez, Troy England +6

The MIDNA application specific integrated circuits (ASICs) are a series of skipper-CCD readout chips fabricated in a 65 nm low-power CMOS process that implement a correlated double…

hep-ex2025★ 1 cited

SENSEI: A Search for Diurnal Modulation in sub-GeV Dark Matter Scattering

Itay M. Bloch, Ana M. Botti, Mariano Cababie +28

Dark matter particles with sufficiently large interactions with ordinary matter can scatter in the Earth's atmosphere and crust before reaching an underground detector. This Earth-…

physics.ins-det2025

A compact, low-power epithermal neutron counter for lunar water detection

Julian Cuevas-Zepeda, Phoenix Alpine, Brenda A. Cervantes-Vergara +7

The detection and characterization of lunar water are critical for enabling sustainable human and robotic exploration of the Moon. Orbital neutron spectrometers, such as instrument…

physics.ins-det2025

Automating Sensor Characterization with Bayesian Optimization

J. Cuevas-Zepeda, C. Chavez, J. Estrada +6

The development of novel instrumentation requires an iterative cycle with three stages: design, prototyping, and testing. Recent advancements in simulation and nanofabrication tech…

astro-ph.CO2024★ 23 cited

SENSEI at SNOLAB: Single-Electron Event Rate and Implications for Dark Matter

Itay M. Bloch, Ana M. Botti, Mariano Cababie +27

We present results from data acquired by the SENSEI experiment at SNOLAB after a major upgrade in May 2023, which includes deploying 16 new sensors and replacing the copper trays t…

astro-ph.IM2024

A multi-channel silicon package for large-scale skipper-CCD experiments

A. M. Botti, C. Chavez, M. Sofo-Haro +10

The next generation of experiments for rare-event searches based on skipper Charge Coupled Devices (skipper-CCDs) presents new challenges for the sensor packaging and readout. Scal…

hep-ex2024★ 3 cited

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…

astro-ph.IM2024★ 9 cited

Skipper-in-CMOS: Non-Destructive Readout with Sub-Electron Noise Performance for Pixel Detectors

Agustin J. Lapi, Miguel Sofo-Haro, Benjamin C. Parpillon +15

The Skipper-in-CMOS image sensor integrates the non-destructive readout capability of Skipper Charge Coupled Devices (Skipper-CCDs) with the high conversion gain of a pinned photod…

astro-ph.CO2023★ 92 cited

SENSEI: First Direct-Detection Results on sub-GeV Dark Matter from SENSEI at SNOLAB

SENSEI Collaboration, Prakruth Adari, Itay M. Bloch +34

We present the first results from a dark matter search using six Skipper-CCDs in the SENSEI detector operating at SNOLAB. We employ a bias-mitigation technique of hiding approximat…

physics.ins-det2023★ 6 cited

Achieving Single-Electron Sensitivity at Enhanced Speed in Fully-Depleted CCDs with Double-Gate MOSFETs

Miguel Sofo-Haro, Kevan Donlon, Juan Estrada +3

We introduce a new output amplifier for fully-depleted thick p-channel CCDs based on double-gate MOSFETs. The charge amplifier is an n-type MOSFET specifically designed and operate…

astro-ph.CO2023★ 15 cited

Confirmation of the spectral excess in DAMIC at SNOLAB with skipper CCDs

A. Aguilar-Arevalo, I. Arnquist, N. Avalos +69

We present results from a 3.25 kg-day target exposure of two silicon charge-coupled devices (CCDs), each with 24 megapixels and skipper readout, deployed in the DAMIC setup at SNOL…

hep-ex2023★ 3 cited

Searching for millicharged particles with 1 kg of Skipper-CCDs using the NuMI beam at Fermilab

Santiago Perez, Dario Rodrigues, Juan Estrada +57

Oscura is a planned light-dark matter search experiment using Skipper-CCDs with a total active mass of 10 kg. As part of the detector development, the collaboration plans to build…

physics.ins-det2023★ 25 cited

Skipper-CCD Sensors for the Oscura Experiment: Requirements and Preliminary Tests

Brenda A. Cervantes-Vergara, Santiago Perez, Juan Estrada +52

Oscura is a proposed multi-kg skipper-CCD experiment designed for a dark matter (DM) direct detection search that will reach unprecedented sensitivity to sub-GeV DM-electron intera…

astro-ph.IM2022

Skipper-CCDs: current applications and future

B. A. Cervantes-Vergara, S. Perez, J. C. D'Olivo +5

This work briefly discusses the potential applications of the Skipper-CCD technology in astronomy and reviews its current use in dark matter and neutrino experiments. An overview o…

physics.ins-det2022★ 2 cited

Photon counting from the vacuum ultraviolet to the short wavelength infrared using semiconductor and superconducting technologies

Jonathan Asaadi, Dan Baxter, Karl K. Berggren +27

In the last decade, several photon counting technologies have been developed opening a new window for experiments in the low photon number regime. Several ongoing and future projec…

astro-ph.IM2022

The Oscura Experiment

Alexis Aguilar-Arevalo, Fabricio Alcalde Bessia, Nicolas Avalos +41

The Oscura experiment will lead the search for low-mass dark matter particles using a very large array of novel silicon Charge Coupled Devices (CCDs) with a threshold of two electr…

hep-ex2019★ 238 cited

SENSEI: Direct-Detection Constraints on Sub-GeV Dark Matter from a Shallow Underground Run Using a Prototype Skipper-CCD

Orr Abramoff, Liron Barak, Itay M. Bloch +14

We present new direct-detection constraints on eV-to-GeV dark matter interacting with electrons using a prototype detector of the Sub-Electron-Noise Skipper-CCD Experimental Instru…

physics.ins-det2017★ 284 cited

Single-electron and single-photon sensitivity with a silicon Skipper CCD

Javier Tiffenberg, Miguel Sofo-Haro, Alex Drlica-Wagner +5

We have developed a non-destructive readout system that uses a floating-gate amplifier on a thick, fully depleted charge coupled device (CCD) to achieve ultra-low readout noise of…