activity
20202026
most citedSENSEI: Direct-Detection Results on sub-GeV Dark Matter from a New Skipper-CCD

423 citations · 666 across the 31 of their papers we have counts for

collaborators
Showing astro-ph.IMShow all

16 papers · 1 filter

astro-ph.IM2026

X-ray characterization of fully-depleted p-channel Skipper-CCDs for the DarkNESS mission

Phoenix Alpine, Ana M. Botti, Brenda A. Cervantes-Vergara +11

The Dark matter Nanosatellite Equipped with Skipper Sensors (DarkNESS) mission is a 6U CubeSat designed to search for X-ray lines from decaying dark matter using Skipper-CCDs. Thic…

astro-ph.IM2025

Characterization of the Cherenkov Photon Background for Low-Noise Silicon Detectors in Space

Manuel E. Gaido, Javier Tiffenberg, Alex Drlica-Wagner +7

Future space observatories that seek to perform imaging and spectroscopy of faint astronomical sources will require ultra-low-noise detectors that are sensitive over a broad wavele…

astro-ph.IM2025

DarkNESS: A skipper-CCD NanoSatellite for Dark Matter Searches

Phoenix Alpine, Samriddhi Bhatia, Ana M. Botti +16

The Dark matter Nanosatellite Equipped with Skipper Sensors (DarkNESS) deploys a recently developed skipper-CCD architecture with sub-electron readout noise in low Earth orbit (LEO…

astro-ph.IM2025

Measurement of Photons Emitted by High-Energy Charged Particles as Background in Single-Photon Resolving Image Sensors

Guillermo Fernandez Moroni, Fernando Chierchie, Lucas Giardino +2

This work introduces an advanced technique optimized for detecting photons generated by charged particles, leveraging Skipper-CCD sensors. By analyzing background sources and detec…

astro-ph.IM2025

Multiple-Amplifier Sensing Charged-Coupled Device: Model and improvement of the Node Removal Efficiency

Blas J. Irigoyen Gimenez, Miqueas E. Gamero, Claudio R. Chavez Blanco +6

The Multiple Amplifier Sensing Charge-Coupled Device (MAS-CCD) has emerged as a promising technology for astronomical observation, quantum imaging, and low-energy particle detectio…

astro-ph.IM2025★ 2 cited

Readout Optimization of Multi-Amplifier Sensing Charge-Coupled Devices for Single-Quantum Measurement

Ana M. Botti, Brenda A. Cervantes-Vergara, Claudio R. Chavez +15

The non-destructive readout capability of the Skipper Charge Coupled Device (CCD) has been demonstrated to reduce the noise limitation of conventional silicon devices to levels tha…

astro-ph.IM2024

DarkNESS: developing a skipper-CCD instrument to search for Dark Matter from Low Earth Orbit

Phoenix Alpine, Samriddhi Bhatia, Fernando Chierchie +8

The DarkNESS (Dark Matter Nano-satellite Equipped with Skipper Sensors) mission aims to deploy a skipper-CCD CubeSat Observatory to search for dark matter (DM) from Low Earth Orbit…

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…

astro-ph.IM2024

Astronomical Spectroscopy with Skipper CCDs: First Results from a Skipper CCD Focal Plane Prototype at SIFS

Edgar Marrufo Villalpando, Alex Drlica-Wagner, Brandon Roach +22

We present the first on-sky results from an ultra-low-readout-noise Skipper CCD focal plane prototype for the SOAR Integral Field Spectrograph (SIFS). The Skipper CCD focal plane c…

astro-ph.IM2024★ 5 cited

Sixteen Multiple-Amplifier Sensing Charge-Coupled Devices and Characterization Techniques Targeting the Next Generation of Astronomical Instruments

Agustin J. Lapi, Blas J. Irigoyen Gimenez, Miqueas E. Gamero +8

We present a candidate sensor for future spectroscopic applications, such as a Stage-5 Spectroscopic Survey Experiment or the Habitable Worlds Observatory. This type of charge-coup…

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.IM2023★ 14 cited

Fast Single-Quantum Measurement with a Multi-Amplifier Sensing Charge-Coupled Device

Ana M. Botti, Brenda A. Cervantes-Vergara, Claudio R. Chavez +11

A novel readout architecture that uses multiple non-destructive floating-gate amplifiers to achieve sub-electron readout noise in a thick, fully-depleted silicon detector is presen…

astro-ph.IM2022★ 99 cited

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…

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…

astro-ph.IM2021★ 13 cited

Smart readout of nondestructive image sensors with single-photon sensitivity

Fernando Chierchie, Guillermo Fernandez Moroni, Leandro Stefanazzi +5

Image sensors with nondestructive charge readout provide single-photon or single-electron sensitivity, but at the cost of long readout times. We present a smart readout technique t…

astro-ph.IM2020★ 2 cited

Low Threshold Acquisition controller for Skipper CCDs

Gustavo Cancelo, Claudio Chavez, Fernando Chierchie +10

The development of the Skipper Charge Coupled Devices (Skipper-CCDs) has been a major technological breakthrough for sensing very weak ionizing particles. The sensor allows to reac…