103 citations · 240 across the 27 of their papers we have counts for
27 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…
In situ cryogenic characterization of proton damage in thick p-channel skipper CCDs
Brandon M. Roach, Brenda Cervantes Vergara, Alex Drlica-Wagner +14
Skipper charge-coupled devices (CCDs) are an offshoot of standard silicon pixel detectors and are capable of performing repeated non-destructive charge measurements, enabling deepl…
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,…
Light-tight skipper-CCDs for X-ray detection in space
Ana M. Botti, Yikai Wu, Brenda Cervantes +6
Skipper Charge-Coupled Devices (skipper-CCDs) are pixelated silicon detectors with deep sub-electron resolution. Their radiation hardness and capability to reconstruct energy depos…
Charge Trap Analysis in a SENSEI Skipper-CCD: Understanding Low-Energy Backgrounds in Rare-Event Searches
Agustin Brusco, Bruno Sivilotti, Ana M. Botti +14
Skipper Charge-Coupled Devices (Skipper-CCDs) are ultra-low-threshold detectors capable of detecting energy deposits in silicon at the eV scale. Increasingly used in rare-event sea…
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-…
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…
Investigation of Low-Energy Particle Remnants in High-Energy Collisions at the LHC with a Skipper-CCD detector
Brenda A. Cervantes-Vergara, Santiago E. Perez, Nicola Bacchetta +8
We deployed MOSKITA 33 m away from the CMS collision point, the first skipper-CCD detector probing low-energy particles produced in high-energy collisions at the Large Hadron…
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…
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…
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…
Effects of Proton Irradiation on the Performance of Skipper CCDs
Brandon Roach, Brenda A. Cervantes Vergara, Santiago Perez +3
Skipper CCDs are a mature detector technology that has been suggested for future space telescope instruments requiring sub-electron readout noise in the near-ultraviolet to the nea…
Studying single-electron traps in newly fabricated Skipper-CCDs for the Oscura experiment using the pocket-pumping technique
S. E. Perez, B. A. Cervantes-Vergara, J. Estrada +3
Understanding and characterizing very low-energy (eV) background sources is a must in rare-event searches. Oscura, an experiment aiming to probe electron recoils from sub-GeV…
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…
Deployment and performance of a Low-Energy-Threshold Skipper-CCD inside a nuclear reactor
E. Depaoli, D. Rodrigues, I. Sidelnik +9
Charge Coupled Devices (CCD) are used for reactor neutrino experiments and already shown their potential in constraining new physics models. The prospect of a Skipper-CCD experimen…
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…