Publications (18)
Investigation of Electron Backscattering on Silicon Drift Detectors for the Sterile Neutrino Search with TRISTAN
Daniela Spreng, Korbinian Urban, Marco Carminati +7
Sterile neutrinos are hypothetical particles in the minimal extension of the Standard Model of Particle Physics. They could be viable dark matter candidates if they have a mass in…
Hunting keV sterile neutrinos with KATRIN: building the first TRISTAN module
Thibaut Houdy, Antonio Alborini, Konrad Altenmüller +21
The KATRIN (Karlsruhe Tritium Neutrino) experiment investigates the energetic endpoint of the tritium beta-decay spectrum to determine the effective mass of the electron anti-neutr…
Electron spectrometry with SDDs: a GEANT4 based method for detector response reconstruction
Matteo Biassoni, Matteo Gugiatti, Silvia Capelli +8
Electron spectrometry is traditionally challenging due to the difficulty of correctly reconstructing the original energy of the detected electrons. Silicon Drift Detectors, extensi…
Spectroscopic performance of flight-like DEPFET sensors for Athena's WFI
Johannes Müller-Seidlitz, Robert Andritschke, Michael Bonholzer +6
The Wide Field Imager for the Athena X-ray telescope is composed of two back side illuminated detectors using DEPFET sensors operated in rolling shutter readout mode: A large detec…
A thermionic electron gun to characterize silicon drift detectors with electrons
Korbinian Urban, Matteo Biassoni, Marco Carminati +8
The TRISTAN detector is a new detector for electron spectroscopy at the Karlsruhe Tritium Neutrino (KATRIN) experiment. The semiconductor detector utilizes the silicon drift detect…
Characterization of a Silicon Drift Detector for High-Resolution Electron Spectroscopy
Matteo Gugiatti, Matteo Biassoni, Marco Carminati +8
Silicon Drift Detectors, widely employed in high-resolution and high-rate X-ray applications, are considered here with interest also for electron detection. The accurate measuremen…
All the Little Things in Abell 2744: 1000 Gravitationally Lensed Dwarf Galaxies at from JWST NIRCam Grism Spectroscopy
Rohan P. Naidu, Jorryt Matthee, Ivan Kramarenko +31
Dwarf galaxies hold the key to crucial frontiers of astrophysics, however, their faintness renders spectroscopy challenging. Here we present the JWST Cycle 2 survey, All the Little…
Detector Development for a Sterile Neutrino Search with the KATRIN Experiment
Tim Brunst, Konrad Altenmüller, Tobias Bode +11
The KATRIN (Karlsruhe Tritium Neutrino) experiment investigates the energetic endpoint of the tritium -decay spectrum to determine the effective mass of the electron anti-neutr…
A novel detector system for KATRIN to search for keV-scale sterile neutrinos
Susanne Mertens, Antonio Alborini, Konrad Altenmüller +19
Sterile neutrinos are a minimal extension of the Standard Model of Particle Physics. If their mass is in the kilo-electron-volt regime, they are viable dark matter candidates. One…
Characterisation of the NewAthena WFI's DEPFET Flight Production's Operational Parameters
Léonie Sommer, Johannes Müller-Seidlitz, Valentin Emberger +9
NewAthena's Wide Field Imager (WFI) uses detectors made up from Depleted P-Channel Field Effect Transistor (DEPFET) pixels operated in rolling shutter mode. The Large Detector Arra…
Spectroscopic performance of the electrical functional models for the eXTP SFA-T detectors
Alexander Altmann, Robert Andritschke, Valeria Antonelli +11
The Spectroscopy Focusing Array (SFA) is one of the three instruments on the eXTP satellite. It consists of six telescopes plus focal plane cameras, where five are equipped with a…
Characterization measurements of the TRISTAN multi-pixel silicon drift detector
Korbinian Urban, Marco Carminati, Martin Descher +12
Sterile neutrinos are a minimal extension of the Standard Model of Particle Physics. A laboratory-based approach to search for this particle is via tritium beta-decay, where a ster…
Measurements with a TRISTAN prototype detector system at the "Troitsk nu-mass" experiment in integral and differential mode
Tim Brunst, Thibaut Houdy, Susanne Mertens +22
Sterile neutrinos emerge in minimal extensions of the Standard Model which can solve a number of open questions in astroparticle physics. For example, sterile neutrinos in the keV-…
Development of a Silicon Drift Detector Array to Search for keV-scale Sterile Neutrinos with the KATRIN Experiment
Daniel Siegmann, Frank Edzards, Christina Bruch +25
Sterile neutrinos in the keV mass range present a viable candidate for dark matter. They can be detected through single decay, where they cause small spectral distortions. The…
Radiation effects and noise evolution in NewAthena WFI flight-production sensors
Valentin Emberger, Johannes Müller-Seidlitz, Luisa Ostler +7
The Wide Field Imager (WFI), one of the two instruments on ESA's next large X-ray observatory NewAthena, is designed for imaging spectroscopy in the 0.2-15 keV range, combining a l…
Investigations of Charge Collection and Signal Timing in a multi-pixel Silicon Drift Detector
Christian Forstner, Korbinian Urban, Marco Carminati +7
Sterile neutrinos are a minimal extension of the Standard Model of particle physics and a promising candidate for dark matter if their mass is in the keV-range. The Karlsruhe Triti…
Measurement of the C spectrum with Silicon Drift Detectors: towards the study of forbidden transitions
Andrea Nava, Leonardo Bernardini, Matteo Biassoni +8
The ASPECT-BET (An sdd-SPECTrometer for BETa decay studies) project aims to develop a novel technique for the precise measurement of forbidden spectra in the 10 keV - 1 MeV ra…
Spectroscopic Performance of Detectors for Athena's WFI: Measurements and Simulation
Johannes Müller-Seidlitz, Robert Andritschke, Valentin Emberger +7
The depleted p-channel field effect transistor is the chosen sensor type for the Wide Field Imager of the Athena mission. It will be used in two types of cameras. One will enable o…