423 citations · 666 across the 31 of their papers we have counts for
32 papers
Scalable Multiple Electron Transport Architectures for Feedback Traceable Current Sources
Agustin Javier Lapi, Guillermo Fernandez Moroni, Fernando Chierchie +8
We present a scalable electron-counting current cell based on a floating gate architecture operated as a Multiple Electron Transport device (MET). The system enables controlled inj…
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…
MAS-CCD: New technique for measuring low-level charge content based on the multiple amplifier architecture
Miqueas E. Gamero, Guillermo Fernández Moroni, Fernando Chierchie +4
Low-noise detectors are a key technology for the next generation of astronomical instruments aimed at spectroscopy of faint objects and the search for exoplanets. In this context,…
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…
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…
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…
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…
The Spectroscopic Stage-5 Experiment
Robert Besuner, Arjun Dey, Alex Drlica-Wagner +106
The existence, properties, and dynamics of the dark sectors of our universe pose fundamental challenges to our current model of physics, and large-scale astronomical surveys may be…
Characterization of proton-induced damage in thick, p-channel skipper-CCDs
Brenda A. Cervantes-Vergara, Santiago E. Perez, Claudio R. Chavez +4
In this work, we characterize the radiation-induced damage in two thick, p-channel skipper-CCDs irradiated unbiased and at room temperature with 217-MeV protons. We evaluate the ov…
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…
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…
Towards a quantum realization of the ampere using single-electron resolution Skipper-CCDs
Miqueas Gamero, Agustin Lapi, Blas Irigoyen Gimenez +7
This paper presents a proof-of-concept demonstration of the Skipper-CCD, a sensor with single-electron counting capability, as a promising technology for implementing an electron-p…
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…
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…
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…
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…
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…
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…
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…
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…
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…
First results from a multiplexed and massive instrument with sub-electron noise Skipper-CCDs
F. Chierchie, C. R. Chavez, M. Sofo Haro +7
We present a new instrument composed of a large number of sub-electron noise Skipper-CCDs operated with a two stage analog multiplexed readout scheme suitable for scaling to thousa…
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…