R. D’Alessandro
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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: Muography, X-Ray imaging with muons
Muography, X-Ray imaging with muons Open
How atmospheric muons made a comeback to the Department of Physics and Astronomy in Firenze. The same Department that saw the birth of cosmic ray physics with Bruno Rossi and Giuseppe Occhialini.
View article: Muon imaging of a blast furnace: The European project BLEMAB
Muon imaging of a blast furnace: The European project BLEMAB Open
In the central area of a blast furnace, called “cohesive zone,” the high temperature up to 2000°C allows us to melt most of the materials in input. The performance of a blast furnace depends on the shape and density of the cohesive zone, a…
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: High-resolution, high-dynamic-range charge detector for ion beam monitoring
High-resolution, high-dynamic-range charge detector for ion beam monitoring Open
We present the second-generation charge detector, designed to further improve resolution, dynamic range, and robustness for high-energy ion beam monitoring. This upgraded prototype incorporates enhanced silicon photodiodes, a refined front…
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: The Transmission Muography Technique for Locating Potential Radon Gas Conduits at the Temperino Mine (Tuscany, Italy)
The Transmission Muography Technique for Locating Potential Radon Gas Conduits at the Temperino Mine (Tuscany, Italy) Open
Transmission muography is an imaging technique that allows us to obtain two-dimensional and three-dimensional average-target density images by measuring the transmission of atmospheric muons. Through this technique, it is possible to obser…
View article: Development of a high-resolution, high-dynamic-range charge detector for ion beam monitoring
Development of a high-resolution, high-dynamic-range charge detector for ion beam monitoring Open
We present an innovative charge detector with high resolution and wide dynamic range designed to fulfill the requirements of a monitoring system for a high energy ion beam. The detector prototype, constructed using Si photodiodes and a cus…
View article: Development of a High-Resolution, High-Dynamic-Range Charge Detector for Ion Beam Monitoring
Development of a High-Resolution, High-Dynamic-Range Charge Detector for Ion Beam Monitoring Open
We present an innovative charge detector with high resolution and wide dynamic range designed to fulfill the requirements of a monitoring system for a high energy ion beam. The detector prototype, constructed using Si photodiodes and a cus…
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: UAV digital photogrammetry as support tool for transmission-based muography
UAV digital photogrammetry as support tool for transmission-based muography Open
The employment of unmanned aerial vehicles (UAVs) for digital photogrammetry applications (UAV-DP), together with satellite data, has emerged as a pivotal tool for conducting reliable muographic campaigns. This study aims to present a comp…
View article: Exploring the potential of muon radiography for blast furnace assessments: advancements in non-invasive imaging and structural analysis
Exploring the potential of muon radiography for blast furnace assessments: advancements in non-invasive imaging and structural analysis Open
The BLEMAB European project (BLast furnace stack density Estimation through online Muon ABsorption measurements), the evolution of the previous Mu-Blast European project, is designed to investigate in detail the capability of muon radiogra…
View article: Muography as a support technique for non-invasive research and three-dimensional localization of tombs in archaeological sites: a case study from Palazzone Necropolis (Perugia – Italy)
Muography as a support technique for non-invasive research and three-dimensional localization of tombs in archaeological sites: a case study from Palazzone Necropolis (Perugia – Italy) Open
Transmission muography is a non-invasive imaging technique that exploits the penetrating power of atmospheric muons into matter to obtain two-dimensional and three-dimensional density images of the monitored structure. The detectors used a…
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 CaloCube calorimeter for high-energy cosmic-ray measurements in space: Response of a large-scale prototype to protons
The CaloCube calorimeter for high-energy cosmic-ray measurements in space: Response of a large-scale prototype to protons Open
View article: Measurement of the transverse single-spin asymmetry for forward neutron production in a wide <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>p</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant="normal">T</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math> range in polarized <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mo>+</mml:mo><mml:mi>p</mml:mi></mml:math> collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>510</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>GeV</mml:mi></mml:mrow></mml:math>
Measurement of the transverse single-spin asymmetry for forward neutron production in a wide range in polarized collisions at Open
Transverse single -spin asymmetries AN of forward neutrons at pseudorapidities larger than 6 had only been studied in the transverse momentum range of p(T) < 0.4 GeV/c. The RHICf Collaboration has extended the previous measurements up to 1…
View article: Muographic Study of the Palazzone Necropolis (Perugia-Italy)
Muographic Study of the Palazzone Necropolis (Perugia-Italy) Open
The Palazzone Necropolis, located southeast of the hill of Perugia (Italy), is an Etruscan archaeological site open to the public, and well-known thanks to the numerous finds and its (~)200 tombs from the Hellenistic age and 5 from the Arc…
View article: Simulation Tools, First Results, and Experimental Status of the MURAVES Experiment
Simulation Tools, First Results, and Experimental Status of the MURAVES Experiment Open
The MUon RAdiography of VESuvius (MURAVES) project aims at the study of Mt. Vesuvius, an active and hazardous volcano near Naples, Italy, with the use of muons freely and abundantly produced by cosmic rays. In particular, the MURAVES exper…
View article: Muon Imaging for Cu-Fe Ore Shoot Identification: Results and Next Challenges
Muon Imaging for Cu-Fe Ore Shoot Identification: Results and Next Challenges Open
Transmission-based muography (TM) is becoming an innovative and nondestructive imaging technique based on the measurement of the cosmic ray muon flux attenuation within matter, allowing the reconstruction of two- or three-dimensional trans…
View article: Simulation tools, first results and experimental status of the MURAVES experiment
Simulation tools, first results and experimental status of the MURAVES experiment Open
The MUon RAdiography of VESuvius (MURAVES) project aims at the study of Mt. Vesuvius, an active and hazardous volcano near Naples, Italy, with the use of muons freely and abundantly produced by cosmic rays. In particular, the MURAVES exper…
View article: Laser scanner and UAV digital photogrammetry as support tools for cosmic-ray muon radiography applications: an archaeological case study from Italy
Laser scanner and UAV digital photogrammetry as support tools for cosmic-ray muon radiography applications: an archaeological case study from Italy Open
The use of light detection and ranging technologies, i.e. terrestrial laser scanner (TLS), airborne laser scanner (ALS) and mobile laser scanner (MLS), together with the unmanned aerial vehicles digital photogrammetry (UAV-DP) and satellit…
View article: Measurement of the forward η meson production rate in p-p collisions at $$ \sqrt{\textrm{s}} $$ = 13 TeV with the LHCf-Arm2 detector
Measurement of the forward η meson production rate in p-p collisions at $$ \sqrt{\textrm{s}} $$ = 13 TeV with the LHCf-Arm2 detector Open
A bstract The forward η mesons production has been observed by the Large Hadron Collider forward (LHCf) experiment in proton-proton collision at $$ \sqrt{s} $$ = 13 TeV. This paper presents the measurement of the inclusive production ra…
View article: Measurement of the transverse single-spin asymmetry for forward neutron production in a wide $p_T$ range in polarized $p+p$ collisions at $\sqrt{s} = 510$ GeV
Measurement of the transverse single-spin asymmetry for forward neutron production in a wide $p_T$ range in polarized $p+p$ collisions at $\sqrt{s} = 510$ GeV Open
Transverse single-spin asymmetries $A_{\textrm{N}}$ of forward neutrons at pseudorapidities larger than 6 had only been studied in the transverse momentum range of $p_{\textrm{T}} < 0.4$ GeV/$c$. The RHICf Collaboration has extended the pr…
View article: Double read-out system for the calorimeter of the HERD experiment
Double read-out system for the calorimeter of the HERD experiment Open
The High Energy cosmic-Radiation Detection (HERD) facility has been proposed as a space cosmic-ray and gamma-ray detector, which will be installed on the China Space Station around 2027. HERD will be able to measure proton and nuclei fluxe…
View article: Measurement of the very forward π0 and η meson productions in p-p collisions at √s=13 TeV with the LHCf detector
Measurement of the very forward π0 and η meson productions in p-p collisions at √s=13 TeV with the LHCf detector Open
The Large Hadron Collider forward (LHCf) experiment was designed to measure the production of neutral particles in the forward region of the CERN Large Hadron Collider (LHC) interactions. The goal of the experiment is to provide precise me…
View article: A parametric analytical model of the atmospheric muon flux at sea-level and its application in the field of the muon transmission radiography
A parametric analytical model of the atmospheric muon flux at sea-level and its application in the field of the muon transmission radiography Open
Atmospheric muons represent the primary component of cosmic radiation detected at sea level. Their specific characteristics - natural abundance, energy-based ability to penetrate objects, harmlessness - make them an essential tool for perf…
View article: The LHCf experiment at the Large Hadron Collider: status and prospects
The LHCf experiment at the Large Hadron Collider: status and prospects Open
The LHC-forward experiment (LHCf), located at the Large Hadron Collider (LHC), is designed to measure the production cross section of neutral particles in the pseudorapidity region above 8.4, up to zero-degree. The measurement of the very-…
View article: Transmission-Based Muography for Ore Bodies Prospecting: A Case Study from a Skarn Complex in Italy
Transmission-Based Muography for Ore Bodies Prospecting: A Case Study from a Skarn Complex in Italy Open
Transmission-based muography (TM) is an innovative imaging technique based on the measurement and analysis of the cosmic ray muons flux attenuation within the target under investigation. This technique allows imaging inner-body density dif…
View article: Three-dimensional localization of Radon source conduits inside the Temperino mine (Tuscany-Italy) with the muon radiography technique
Three-dimensional localization of Radon source conduits inside the Temperino mine (Tuscany-Italy) with the muon radiography technique Open
Muon radiography, or muography, is a non-invasive technique allowing imaging of the interior of large structures (target) thanks to the study of the absorption of atmospheric muons in materials. The muons absorption effect depends not only…