activity
20222026
most citedSENSEI: First Direct-Detection Results on sub-GeV Dark Matter from SENSEI at SNOLAB

92 citations · 160 across the 17 of their papers we have counts for

collaborators

18 papers

physics.ins-det2026

Long-Lived Charge Trap Characterization for Rare-Event Searches with Skipper-CCDs

Ansh Desai, Ana M. Botti, Brenda A. Cervantes-Vergara +9

Skipper Charge-Coupled Devices (Skipper-CCDs) are detectors with sub-electron resolution, allowing them to play a critical role in rare-event searches. A major challenge in experim…

astro-ph.IM2026

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…

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…

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.IM2026

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…

hep-ex2025

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…

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-…

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★ 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.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★ 4 cited

Multi-Amplifier Sensing Charge-coupled Devices for Next Generation Spectroscopy

Kenneth W. Lin, Armin Karcher, Julien Guy +6

We present characterization results and performance of a prototype Multiple-Amplifier Sensing (MAS) silicon charge-coupled device (CCD) sensor with 16 channels potentially suitable…

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…

hep-ex2024★ 1 cited

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…

hep-ex2024★ 1 cited

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…

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…

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.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…

physics.ins-det2022★ 2 cited

Constraints on the electron-hole pair creation energy and Fano factor below 150 eV from Compton scattering in a Skipper-CCD

A. M. Botti, S. Uemura, G. Fernandez Moroni +9

Fully-depleted thick silicon Skipper-charge-coupled devices (Skipper-CCDs) are an important technology to probe neutrino and light-dark-matter interactions due to their sub-electro…