E. Pedreschi
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View article: Crystal Calorimetry for Charged Lepton Flavor Violation Searches
Crystal Calorimetry for Charged Lepton Flavor Violation Searches Open
The Mu2e experiment at Fermilab aims to search for Charged Lepton Flavor Violation (CLFV) through the coherent conversion of a muon into an electron in the field of an aluminum nucleus. This process, highly suppressed in the Standard Model…
View article: Searches for hidden sectors using K+ → π+X decays
Searches for hidden sectors using K+ → π+X decays Open
A bstract Results from the study of the rare decays $$ {K}^{+}\to {\pi}^{+}\nu \overline{\nu} $$ , K + → π + μ + μ − and K + → π + γγ at the NA62 experiment at CERN are interpreted in terms of improved limits for $$ \mathcal{B}…
View article: The Mu2e Calorimeter
The Mu2e Calorimeter Open
The EM CsI crystals and SiPM readout calorimeter of the Mu2e experiment is fully assembled, with all components completed and tested; the mechanical structure is fully built, with a complete integration and test of all the analog sensors a…
View article: Single-Photon Detectors for Quantum Integrated Photonics
Single-Photon Detectors for Quantum Integrated Photonics Open
Single-photon detectors have gained significant attention recently, driven by advancements in quantum information technology. Applications such as quantum key distribution, quantum cryptography, and quantum computation demand the ability t…
View article: Search for Leptonic Decays of Dark Photons at NA62
Search for Leptonic Decays of Dark Photons at NA62 Open
The NA62 experiment at CERN, configured in beam-dump mode, has searched for dark photon decays in flight to electron-positron pairs using a sample of 1.4×1017 protons on dump collected in 2021. No evidence for a dark photon signal is obser…
View article: Integrated Photonic Passive Building Blocks on Silicon-on-Insulator Platform
Integrated Photonic Passive Building Blocks on Silicon-on-Insulator Platform Open
Integrated photonics on Silicon-On-Insulator (SOI) substrates is a well developed research field that has already significantly impacted various fields, such as quantum computing, micro sensing devices, biosensing, and high-rate communicat…
View article: Development of a new CEDAR for kaon identification at the NA62 experiment at CERN
Development of a new CEDAR for kaon identification at the NA62 experiment at CERN Open
The NA62 experiment at CERN utilises a differential Cherenkov counter with achromatic ring focus (CEDAR) for tagging kaons within an unseparated monochromatic beam of charged hadrons. The CEDAR-H detector was developed to minimise the amou…
View article: Hybrid Integrated Silicon Photonics Based on Nanomaterials
Hybrid Integrated Silicon Photonics Based on Nanomaterials Open
Integrated photonic platforms have rapidly emerged as highly promising and extensively investigated systems for advancing classical and quantum information technologies, since their ability to seamlessly integrate photonic components withi…
View article: Solid-State Color Centers for Single-Photon Generation
Solid-State Color Centers for Single-Photon Generation Open
Single-photon sources are important for integrated photonics and quantum technologies, and can be used in quantum key distribution, quantum computing, and sensing. Color centers in the solid state are a promising candidate for the developm…
View article: Slow control and TDAQ systems installation and tests in the Mu2e experiment
Slow control and TDAQ systems installation and tests in the Mu2e experiment Open
The Mu2e experiment at Fermilab will attempt to detect a coherent neutrinoless conversion of a muon into an electron in the field of an aluminum nucleus, with a sensitivity that is 10,000 times greater than existing limits. The Mu2e trigge…
View article: Quantum Information with Integrated Photonics
Quantum Information with Integrated Photonics Open
Since the 1980s, researchers have taken giant steps in understanding how to use quantum mechanics for solving real problems—for example, making a computer that works according to the laws of quantum mechanics. In recent decades, researcher…
View article: Improved calorimetric particle identification in NA62 using machine learning techniques
Improved calorimetric particle identification in NA62 using machine learning techniques Open
A bstract Measurement of the ultra-rare $$ {K}^{+}\to {\pi}^{+}\nu \overline{\nu} $$ decay at the NA62 experiment at CERN requires high-performance particle identification to distinguish muons from pions. Calorimetric identific…
View article: High Intensity Kaon Experiments (HIKE) at the CERN SPS: Proposal for Phases 1 and 2
High Intensity Kaon Experiments (HIKE) at the CERN SPS: Proposal for Phases 1 and 2 Open
A timely and long-term programme of kaon decay measurements at an unprecedented level of precision is presented, leveraging the capabilities of the CERN Super Proton Synchrotron (SPS). The proposed HIKE programme is firmly anchored on the …
View article: A study of the K+ → π0e+νγ decay
A study of the K+ → π0e+νγ decay Open
A bstract A sample of 1 . 3 × 10 5 K + → π 0 e + νγ candidates with less than 1% background was collected by the NA62 experiment at the CERN SPS in 2017–2018. Branching fraction measurements are obtained at percent relative precision in th…
View article: Addendum to: A measurement of the K+ → π+μ+μ− decay
Addendum to: A measurement of the K+ → π+μ+μ− decay Open
A sample of 2.8⇥10 4 K + !⇡ + µ + µ candidates with negligible background was collected by the NA62 experiment at the CERN SPS in 2017-2018.The model-independent branching fraction is measured to be (9.15 ± 0.08) ⇥ 10 8 , a factor three mo…
View article: A study of the $K^+ \to π^0 e^+ νγ$ decay
A study of the $K^+ \to π^0 e^+ νγ$ decay Open
A sample of $1.3 \times 10^5$ $K^+ \to π^0 e^+ νγ$ candidates with less than 1% background was collected by the NA62 experiment at the CERN SPS in 2017-2018. Branching fraction measurements are obtained at percent relative precision in thr…
View article: The Mu2e Crystal and SiPM Calorimeter: Construction Status
The Mu2e Crystal and SiPM Calorimeter: Construction Status Open
The Mu2e experiment at Fermilab searches for the neutrino-less conversion of a negative muon into an electron, with a distinctive signature of a mono-energetic electron with an energy of 104.967 MeV. The calorimeter is made of two disks of…
View article: A search for the K+ → μ−νe+e+ decay
A search for the K+ → μ−νe+e+ decay Open
A search for the $K^+ \\to \\mu^- \\nu e^+ e^+$ decay forbidden within the Standard Model by either lepton number or lepton flavour conservation depending on the flavour of the emitted neutrino, has been performed using the dataset collect…
View article: Polarization Control in Integrated Graphene-Silicon Quantum Photonics Waveguides
Polarization Control in Integrated Graphene-Silicon Quantum Photonics Waveguides Open
We numerically investigated the use of graphene nanoribbons placed on top of silicon-on-insulator (SOI) strip waveguides for light polarization control in silicon photonic-integrated waveguides. We found that two factors mainly affected th…
View article: Design and construction status of the Mu2e crystal calorimeter
Design and construction status of the Mu2e crystal calorimeter Open
The Mu2e experiment at Fermilab will search for charged-lepton flavour violating neutrino-less conversion of negative muons into electrons in the coulomb field of Al nuclei. The conversion electron has a monoenergetic 104.967 MeV signature…
View article: An automated QC station for the characterization of the Mu2e Calorimeter Readout Units
An automated QC station for the characterization of the Mu2e Calorimeter Readout Units Open
The Mu2e experiment at Fermilab will search for the Standard Model forbidden conversion, within the field of a nucleus, of a negative muon into an electron. The Mu2e detector is composed of a straw tube based tracker for the precise determ…