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View article: The EPSI R&D: Development of an Innovative Electron–Positron Discrimination Technique for Space Applications
The EPSI R&D: Development of an Innovative Electron–Positron Discrimination Technique for Space Applications Open
The study of the antimatter component in cosmic rays is essential for the understanding of their acceleration and propagation mechanisms, and is one of the most powerful tools for the indirect search of dark matter. Current methods rely on…
View article: The HERD calorimeter: prototype response to high energy nuclei
The HERD calorimeter: prototype response to high energy nuclei Open
HERD is a space-borne calorimetric experiment that aims to extend current direct measurements of cosmic rays to the PeV energy range. The main feature of the instrument is its ability to measure particles coming from all directions, with t…
View article: The EPSI R&D: development of a X-ray detector for the detection of synchrotron radiation in space
The EPSI R&D: development of a X-ray detector for the detection of synchrotron radiation in space Open
The direct measurement of the antimatter components in cosmic rays provides a crucial information on the mechanisms responsible for their acceleration/propagation and represent a powerful tool for the indirect search of dark matter. To dat…
View article: Performance assessment of the HERD calorimeter with a photo-diode read-out system for high-energy electron beams
Performance assessment of the HERD calorimeter with a photo-diode read-out system for high-energy electron beams Open
The measurement of cosmic rays at energies exceeding 100 TeV per nucleon is crucial for enhancing the understanding of high-energy particle propagation and acceleration models in the Galaxy. HERD is a space-borne calorimetric experiment th…
View article: Performance assessment of the HERD calorimeter with a photo-diode read-out system for high-energy electron beams
Performance assessment of the HERD calorimeter with a photo-diode read-out system for high-energy electron beams Open
The measurement of cosmic rays at energies exceeding 100 TeV per nucleon is crucial for enhancing the understanding of high-energy particle propagation and acceleration models in the Galaxy. HERD is a space-borne calorimetric experiment th…
View article: Double Photodiode Readout System for the Calorimeter of the HERD Experiment: Challenges and New Horizons in Technology for the Direct Detection of High-Energy Cosmic Rays
Double Photodiode Readout System for the Calorimeter of the HERD Experiment: Challenges and New Horizons in Technology for the Direct Detection of High-Energy Cosmic Rays Open
The HERD experiment is a future experiment for the direct detection of high-energy cosmic rays and is to be installed on the Chinese space station in 2027. The main objectives of HERD are the first direct measurement of the knee of the cos…
View article: The Impact of Crystal Light Yield Non-Proportionality on a Typical Calorimetric Space Experiment: Beam Test Measurements and Monte Carlo Simulations
The Impact of Crystal Light Yield Non-Proportionality on a Typical Calorimetric Space Experiment: Beam Test Measurements and Monte Carlo Simulations Open
Calorimetric space experiments were employed for the direct measurements of cosmic-ray spectra above the TeV region. According to several theoretical models and recent measurements, relevant features in both electron and nucleus fluxes are…
View article: Tracker-in-Calorimeter (TIC) Project: A Calorimetric New Solution for Space Experiments
Tracker-in-Calorimeter (TIC) Project: A Calorimetric New Solution for Space Experiments Open
A space-based detector dedicated to measurements of γ-rays and charged particles has to achieve a balance between different instrumental requirements. A good angular resolution is necessary for the γ-rays, whereas an excellent geometric fa…
View article: Photodiode Read-Out System for the Calorimeter of the Herd Experiment
Photodiode Read-Out System for the Calorimeter of the Herd Experiment Open
HERD is a future experiment for the direct detection of high energy cosmic rays. The instrument is based on a calorimeter optimized not only for a good energy resolution but also for a large acceptance. Each crystal composing the calorimet…
View article: Development of the photo-diode subsystem for the HERD calorimeter double-readout
Development of the photo-diode subsystem for the HERD calorimeter double-readout Open
The measurement of cosmic-ray individual spectra provides unique information regarding the origin and propagation of astro-particles. Due to the limited acceptance of current space experiments, protons and nuclei around the “knee” region (…
View article: Light yield non-proportionality of inorganic crystals and its effect on cosmic-ray measurements
Light yield non-proportionality of inorganic crystals and its effect on cosmic-ray measurements Open
The multi-TeV energy region of the cosmic-ray spectra has been recently explored by direct detection experiments that used calorimetric techniques to measure the energy of the cosmic particles. Interesting spectral features have been obser…
View article: Light yield non-proportionality of inorganic crystals and its effect on cosmic-ray measurements
Light yield non-proportionality of inorganic crystals and its effect on cosmic-ray measurements Open
The multi-TeV energy region of the cosmic-ray spectra has been recently explored by direct detection experiments that used calorimetric techniques to measure the energy of the cosmic particles. Interesting spectral features have been obser…
View article: The CaloCube calorimeter for high-energy cosmic-ray measurements in\n space: performance of a large-scale prototype
The CaloCube calorimeter for high-energy cosmic-ray measurements in\n space: performance of a large-scale prototype Open
The direct observation of high-energy cosmic rays, up to the PeV energy\nregion, will increasingly rely on highly performing calorimeters, and the\nphysics performance will be primarily determined by their geometrical\nacceptance and energ…
View article: The CaloCube calorimeter for high-energy cosmic-ray measurements in space: performance of a large-scale prototype
The CaloCube calorimeter for high-energy cosmic-ray measurements in space: performance of a large-scale prototype Open
The direct observation of high-energy cosmic rays, up to the PeV energy region, will increasingly rely on highly performing calorimeters, and the physics performance will be primarily determined by their geometrical acceptance and energy r…
View article: Tracker-In-Calorimeter (TIC): a calorimetric approach to tracking gamma rays in space experiments
Tracker-In-Calorimeter (TIC): a calorimetric approach to tracking gamma rays in space experiments Open
A multi-messenger, space-based cosmic ray detector for gamma rays and charged particles poses several design challenges due to the different instrumental requirements for the two kind of particles. Gamma-ray detection requires layers of hi…
View article: The CALOCUBE project for a space based cosmic ray experiment: design, construction, and first performance of a high granularity calorimeter prototype
The CALOCUBE project for a space based cosmic ray experiment: design, construction, and first performance of a high granularity calorimeter prototype Open
Current research in High Energy Cosmic Ray Physics touches on fundamental questions regarding the origin of cosmic rays, their composition, the acceleration mechanisms, and their production. Unambiguous measurements of the energy spectra a…
View article: Recurrent and non-recurrent galactic cosmic-ray flux short-term variations observed with LISA Pathfinder
Recurrent and non-recurrent galactic cosmic-ray flux short-term variations observed with LISA Pathfinder Open
Recurrent and non-recurrent galactic cosmic-ray (GCR) flux short-term variations, including three Forbush decreases, were observed with a particle detector aboard the European Space Agency mission LISA Pathfinder (LPF) orbiting around the …
View article: A New Approach to Calorimetry in Space-Based Experiments for High-Energy Cosmic Rays
A New Approach to Calorimetry in Space-Based Experiments for High-Energy Cosmic Rays Open
Precise measurements of the energy spectra and of the composition of cosmic rays in the PeV region could improve our knowledge regarding their origin, acceleration mechanism, propagation, and composition. At the present time, spectral meas…
View article: CaloCube: a new concept calorimeter for the detection of high energy cosmic rays in space
CaloCube: a new concept calorimeter for the detection of high energy cosmic rays in space Open
Given the good performances in terms of geometrical acceptance and energy resolution, calorimeters are the best suited detectors to measure high energy cosmic rays directly in space. However, in order to exploit this potential, the design …
View article: Forbush decreases and < 2-day GCR flux non-recurrent variations studied with LISA Pathfinder
Forbush decreases and < 2-day GCR flux non-recurrent variations studied with LISA Pathfinder Open
Non-recurrent short term variations of the galactic cosmic-ray (GCR) flux above 70 MeV n$^{-1}$ were observed between 2016 February 18 and 2017 July 3 aboard the European Space Agency LISA Pathfinder (LPF) mission orbiting around the Lagra…
View article: CaloCube: an innovative homogeneous calorimeter for the next-generation space experiments
CaloCube: an innovative homogeneous calorimeter for the next-generation space experiments Open
The direct measurement of the cosmic-ray spectrum, up to the knee region, is one of the instrumental challenges for next generation space experiments. The main issue for these measurements is a steeply falling spectrum with increasing ener…
View article: A two-stage torsion pendulum for ground testing free fall conditions on two degrees of freedom
A two-stage torsion pendulum for ground testing free fall conditions on two degrees of freedom Open
Ground testing with torsion pendulums played a key role in the development and characterization of the Gravitational Reference Sensor (GRS) of LISA-Pathfinder (LPF). We report on a torsion pendulum facility with 2 soft degrees of freedom (…
View article: GCR flux 9-day variations with LISA Pathfinder
GCR flux 9-day variations with LISA Pathfinder Open
Galactic cosmic-ray (GCR) energy spectra in the heliosphere vary on the basis of the level of solar activity, the status of solar polarity and interplanetary transient magnetic structures of solar origin. A high counting rate particle dete…
View article: CaloCube: a novel calorimeter for high-energy cosmic rays in space
CaloCube: a novel calorimeter for high-energy cosmic rays in space Open
CaloCube is an R&D project borne to develop a novel calorimeter design, optimized for high-energy cosmic ray measurements in space. A small prototype made of CsI(Tl) elements has been built and tested on particle beams. A final version…
View article: Perspectives of the GAMMA-400 space observatory for high-energy gamma rays and cosmic rays measurements
Perspectives of the GAMMA-400 space observatory for high-energy gamma rays and cosmic rays measurements Open
The GAMMA-400 gamma-ray telescope is intended to measure the fluxes of gamma-rays and cosmic-ray electrons and positrons in the energy range from 100 MeV to several TeV. Such measurements concern the following scientific tasks: investigati…
View article: The GAMMA-400 gamma-ray telescope for precision gamma-ray emission investigations
The GAMMA-400 gamma-ray telescope for precision gamma-ray emission investigations Open
The GAMMA-400 gamma-ray telescope with excellent angular and energy resolutions is designed to search for signatures of dark matter in the fluxes of gamma-ray emission and electrons + positrons. Precision investigations of gamma-ray emissi…