26 citations · 75 across the 20 of their papers we have counts for
22 papers
From Simulation to Fabrication: Realizing Silicon Crystalline Undulators with Silicon Nitride Stressor Layer Patterning
L. Malagutti, L. Bandiera, F. Bonafè +14
A crystalline undulator is a crystal exhibiting periodic deformations that cause channeled particles to oscillate, generating coherent electromagnetic waves. In this study, stresso…
High-Intense Gamma-Ray Emission from a Crystalline Undulator with Realistic Bending Profiles
R. Negrello, L. Malagutti, L. Bandiera +11
The development of compact and intense -ray sources in the MeV energy range remains a significant frontier in radiation physics, with profound implications for nuclear physics,…
Investigation of Radiation Emitted by Sub GeV Electrons in Oriented Scintillator Crystals
L. Bandiera, R. Camattari, N. Canale +12
The research investigates coherent interactions between sub-GeV electrons and oriented scintillator crystals, leading to enhanced electromagnetic (EM) radiation. Experiments at Mai…
Beam Steering and Radiation Generation of Electrons in Bent Crystals in the Sub-GeV Domain
R. Negrello, M. Romagnoni, A. Sytov +15
We present an investigation into beam steering and radiation emission by sub-GeV electrons traversing bent silicon crystals. Using 855, 600, and 300~MeV electron beams at the Mainz…
R&D on a high-performance electromagnetic calorimeter based on oriented crystalline scintillators
M. Soldani, N. Argiolas, L. Bandiera +36
Although inorganic scintillators are widely used in the design of electromagnetic calorimeters for high-energy physics and astrophysics, their crystalline nature and, hence, their…
A highly-compact and ultra-fast homogeneous electromagnetic calorimeter based on oriented lead tungstate crystals
L. Bandiera, V. G. Baryshevsky, N. Canale +25
Progress in high-energy physics has been closely tied to the development of highperformance electromagnetic calorimeters. Recent experiments have demonstrated the possibility to si…
Searches for hidden sectors using decays
NA62 Collaboration
Results from the study of the rare decays , and at the NA62 experiment at CERN are interpreted in terms…
Search for heavy neutral leptons in decays to positrons
NA62 Collaboration
A search for heavy neutral lepton () production in in-flight decays using data collected by the NA62 experiment at CERN in 2017-2024 is reported. Upper limits for…
Performance of short and long bent crystals for the TWOCRYST experiment at the Large Hadron Collider
L. Bandiera, R. Cai, S. Carsi +27
This study investigates the performance of bent silicon crystals intended to channel hadrons in a fixed-target experiment at the Large Hadron Collider (LHC). The phenomenon of plan…
Experimental Study of Rare Kaon Decays at J-PARC with KOTO and KOTO II
J. K. Ahn, E. Augustine, L. Bandiera +62
The rare kaon decay is extremely sensitive to new physics, because the contribution to this decay in the Standard Model (SM) is highly suppressed and known very a…
High-Precision Alignment Techniques for Realizing an Ultracompact Electromagnetic Calorimeters Using Oriented high-Z Scintillator Crystals
Lorenzo Malagutti, Alessia Selmi, Laura Bandiera +29
Electromagnetic calorimeters used in high-energy physics and astrophysics rely heavily on high-Z inorganic scintillators, such as lead tungstate (PbWO4 or PWO). The crystalline str…
Coherent radiation in axially oriented industrial-grade tungsten crystals: A viable path for an innovative γ-rays and positron sources
N. Canale, M. Romagnoni, A. Sytov +18
It is known that the alignment of an high-energy e- beam with specific crystal directions leads to a significant increase of the coherent radiation emission. This enhancement can b…
A Novel Tool for Advanced Analysis of Geant4 Simulations of Charged Particles Interactions in Oriented Crystals
R. Negrello, L. Bandiera, N. Canale +8
We present a novel Python tool for the analysis of Geant4 simulations that enhances our understanding of coherent phenomena occurring during the interaction of charged particles wi…
FCC-ee positron source from conventional to crystal-based
Fahad Alharthi, Iryna Chaikovska, Robert Chehab +16
The high-luminosity requirement in future lepton colliders imposes a need for a high-intensity positron source. In the conventional scheme, positron beams are obtained by the conve…
Search for hadronic decays of feebly-interacting particles at NA62
NA62 Collaboration
The NA62 experiment at CERN has the capability to collect data in a beam-dump mode, where 400 GeV protons are dumped on an absorber. In this configuration, New Physics particles, i…
Observation of the decay and measurement of its branching ratio
NA62 Collaboration
A measurement of the decay by the NA62 experiment at the CERN SPS is presented, using data collected in 2021 and 2022. This dataset was recorded, afte…
First detection of a tagged neutrino in the NA62 experiment
NA62 Collaboration
The NA62 experiment at the CERN SPS reports the first detection of a tagged neutrino candidate based on the data collected in 2022. The candidate consists of a $K^+ \rightarrow μ^+…
Particle identification capability of a homogeneous calorimeter composed of oriented crystals
Pietro Monti-Guarnieri, Laura Bandiera, Nicola Canale +23
Recent studies have shown that the electromagnetic shower induced by a high-energy electron, positron or photon incident along the axis of an oriented crystal develops in a space m…
Strong Enhancement of Electromagnetic Shower Development in Oriented Scintillating Crystals and Implications for Particle Detectors
Mattia Soldani, Pietro Monti-Guarnieri, Alessia Selmi +31
A particle traversing a crystal aligned with one of its crystallographic axes experiences a strong electromagnetic field that is constant along the direction of motion over macrosc…
Observation of Fine Structure in Channeling of Particles in Bent Crystals
A. Mazzolari, H. Backe, L. Bandiera +14
We observed highly efficient manipulation of the 530 MeV positron beam at Mainz Microtron via bent crystals. The low beam divergence revealed a fine structure in the angular distri…
Radiation in oriented crystals: Innovative application to future positron sources
Mattia Soldani, Fahad Alharthi, Laura Bandiera +12
It has been known since decades that the alignment of a beam of high-energy electrons with particular crystal directions involves a significant increase of bremsstrahlung radiation…
Dynamic coupling and spin-wave dispersions in a magnetic hybrid system made of an artificial spin-ice structure and an extended NiFe underlayer
R. Negrello, F. Montoncello, M. T. Kaffash +2
We present a combined experimental and numerical study of the spin-wave dispersion in NiFe artificial spin-ice (ASI) system consisting of an array of stadium-shaped nanoislands dep…