- Particle Detector Development and Performance
- Particle physics theoretical and experimental studies
- Radiation Detection and Scintillator Technologies
- Dark Matter and Cosmic Phenomena
- CCD and CMOS Imaging Sensors
- Muon and positron interactions and applications
- High-Energy Particle Collisions Research
- Radiation Effects in Electronics
- Quantum Chromodynamics and Particle Interactions
- Neutrino Physics Research
- Advancements in Semiconductor Devices and Circuit Design
- Nuclear Physics and Applications
- Particle Accelerators and Free-Electron Lasers
- Medical Imaging Techniques and Applications
- Magnetic Field Sensors Techniques
- Astrophysics and Cosmic Phenomena
- Distributed and Parallel Computing Systems
- Superconducting Materials and Applications
- Advanced Data Storage Technologies
- Advancements in PLL and VCO Technologies
- Atomic and Subatomic Physics Research
- Analog and Mixed-Signal Circuit Design
- Cosmology and Gravitation Theories
- Silicon Carbide Semiconductor Technologies
- Parallel Computing and Optimization Techniques
Istituto Nazionale di Fisica Nucleare, Sezione di Bari
2015-2024
Universidade do Estado do Rio de Janeiro
2023-2024
Polytechnic University of Bari
2011-2023
Florida Institute of Technology
2023
University of Bologna
2020
Sun Yat-sen University
2020
Ghent University Hospital
2020
Sofia University "St. Kliment Ohridski"
2018-2020
Center for Migration Studies of New York
2020
University of Bari Aldo Moro
2007-2018
The existence of a light dark force mediator has been tested with the KLOE detector at DAPHNE. This particle, called U, is searched for using decay chain phi-->etaU, eta-->pi+pi-pi0, U-->e+e-. No evidence found in 1.5 fb-1 data. resulting exclusion plot covers mass range 5
We have searched for a light vector boson U, the possible carrier of "dark force", with KLOE detector at DAΦNE e+e− collider, motivated by astrophysical evidence presence dark matter in Universe. Using collisions collected an integrated luminosity 239.3 pb−1, we look dimuon mass peak reaction e+e−→μ+μ−γ, corresponding to decay U→μ+μ−. find no U signal. set 90% CL upper limit mixing parameter squared between photon and 1.6×10−5 8.6×10−7 region 520<mU<980 MeV.
Neutral kaon pairs produced in phi decays anti-symmetric entangled state can be exploited to search for violation of CPT symmetry and Lorentz invariance. We present an analysis the CP-violating process phi->K_S K_L->pi+pi-pi+pi- based on 1.7 fb-1 data collected by KLOE experiment at Frascati phi-factory DAFNE. The are used perform a measurement CPT-violating parameters Delta_amu neutral kaons contest Standard Model Extension framework. measured reference frame fixed stars are: Delta_ao =...
Abstract The RD53 collaboration has since 2013 developed new hybrid pixel detector chips with 50 × μm 2 pixels for the HL-LHC upgrades of ATLAS and CMS experiments at CERN. A common architecture, design verification framework been to enable final different sizes be designed, verified tested handle extreme hit rates 3 GHz/cm (up 12 GHz per chip) together an increased trigger rate 1 MHz efficient readout up 5.12 Gbits/s chip. Tolerance extremely hostile radiation environment Grad over 10 years...
The long term goal of the CERN Experimental Physics Department R&D on monolithic sensors is development sub-100nm CMOS for high energy physics. first technology selected TPSCo 65nm imaging technology. A submission MLR1 included several small test chips with sensor and circuit prototypes transistor structures. One main questions to be addressed was how optimize in presence significant in-pixel circuitry. In this paper optimization described as well experimental results from run confirming its...
Part of the upgrade KLOE detector at DAΦNE Φ-factory consists insertion a tracking device around interaction region, composed four layers with radii from 130 mm to 205 and an active length 700 mm. Each layer was realized as cylindrical triple-GEM (CGEM) kapton-based detector, solution that allows us keep total material budget below 2% X0, utmost importance limit multiple scattering low-momentum tracks KLOE-2, minimize dead spaces. The peculiar readout pattern XV strips provides spatial...
We have studied the vector to pseudoscalar conversion decay ϕ→ηe+e−, with η→π0π0π0, KLOE detector at DAΦNE. The data set of 1.7 fb−1 e+e− collisions s∼Mϕ contains a clear signal ∼31,000 events from which we measured value BR(ϕ→ηe+e−)=(1.075±0.007±0.038)×10−4. same sample is used determine transition form factor by fit invariant mass spectrum, obtaining bϕη=(1.28±0.10−0.08+0.09) GeV−2, that improves five precision previous measurement and in good agreement VMD expectations.
The absolute branching ratio of the K+→π+π−π+(γ) decay, inclusive final-state radiation, has been measured using ∼17 million tagged K+ mesons collected with KLOE detector at DAΦNE, Frascati ϕ-factory. result is:BR(K+→π+π−π+(γ))=0.05565±0.00031stat±0.00025syst a factor ≃ 5 more precise respect to previous result. This work completes program precision measurements dominant kaon ratios KLOE.
We have carried out a new direct search for the CP violating decay KS -> 3pi0 with 1.7 fb^-1 of e+e- collisions collected by KLOE detector at phi-factory DAFNE. searched this in sample about 5.9 x 10^8 KL events tagging means interaction calorimeter and requiring six prompt photons. With respect to our previous search, analysis has been improved increasing factor four tagged more effective background rejection fake tags spurious clusters. find no candidates data simulated samples, while...
We present a measurement of {\eta} meson production in photon-photon interactions produced by electron-positron beams colliding with \sqrt{s}=1 GeV. The is done the KLOE detector at \phi-factory DA{\Phi}NE an integrated luminosity 0.24 fb^{-1}. e^+e^- --> e^+e^-{\eta} cross section measured without detecting outgoing electron and positron, selecting decays {\eta}-->{\pi}^+{\pi}^-{\pi}^0 {\eta}-->{\pi}^0{\pi}^0{\pi}^0. most relevant background due to {\eta}{\gamma} when monochromatic photon...