Flaminia Di Giambattista
A5031399293- Particle Detector Development and Performance
- Dark Matter and Cosmic Phenomena
- Radiation Detection and Scintillator Technologies
- CCD and CMOS Imaging Sensors
- Particle physics theoretical and experimental studies
- Atomic and Subatomic Physics Research
- Astrophysics and Cosmic Phenomena
- Nuclear Physics and Applications
- Computational Physics and Python Applications
- Nuclear reactor physics and engineering
- Opportunistic and Delay-Tolerant Networks
- Data-Driven Disease Surveillance
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran Sasso
2021-2024
Istituto Nazionale di Fisica Nucleare
2021-2024
Gran Sasso Science Institute
2021-2024
University of Coimbra
2022-2024
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
2022
National Agency for New Technologies, Energy and Sustainable Economic Development
2020
University of Rome Tor Vergata
2020
The search for a novel technology able to detect and reconstruct nuclear electron recoil events with the energy of few keV has become more important now that large regions high-mass dark matter (DM) candidates have been excluded. Moreover, detector sensitive incoming particle direction will be crucial in case DM discovery open possibility studying its properties. Gaseous time projection chambers (TPC) optical readout are very promising detectors combining detailed event information provided...
Abstract The nature of dark matter is still unknown and an experimental program to look for particles in our Galaxy should extend its sensitivity light the GeV mass range exploit directional information DM particle motion (Vahsen et al. CYGNUS: feasibility a nuclear recoil observatory with neutrinos, arXiv:2008.12587 , 2020). Cygno project studying gaseous time projection chamber operated at atmospheric pressure Gas Electron Multiplier (Sauli Nucl Instrum Meth A 386:531,...
Abstract The CYGNO experiment aims to study rare events related the search for low-mass dark matter and solar neutrino events. One of main components background comes from cosmic rays that generate long tracks in detector’s images. interaction such particles with gas releases a variable energy profile along its trajectory form multiple cores can be easily reconstructed erroneously by being split into more than one cluster. Thus, this work offers newly adapted version well-known density-based...
Abstract We are going to discuss the R&D and prospects for CYGNO project, towards development of an innovative, high precision 3D tracking Time Projection Chamber with optical readout using He:CF 4 gas at 1 bar. uses a stack triple thin GEMs charge multiplication, this induces scintillation in CF gas, which is by PMTs sCMOS cameras. High granularity low noise along sampling PMT allows have head tail capability particle identification down O(keV) energy directional Dark Matter searches...
We present the development of a large-volume, increased field-of-view Time Projection Chamber (TPC) for x-ray polarimetry, utilizing triple-GEM detector with optical readout. Initially optimized directional Dark Matter searches, this system employs scientific CMOS (sCMOS) camera and PMT to detect secondary scintillation light produced during TPC amplification stage. A prototype cylindrical active volume radius 3.7 cm height 5 was tested at INAF-IAPS calibration facility in Rome, Tor Vergata...
The CYGNO project aims at developing a high resolution Time Projection Chamber with optical readout for directional dark matter searches and solar neutrino spectroscopy. Peculiar CYGNO’s features are the 3D tracking capability provided by combination of photomultipliers scientific CMOS camera signals, combined helium-fluorine-based gas mixture atmospheric pressure amplified electron multipliers structures. In this paper, performances achieved prototypes prospects upcoming underground...
The CYGNO project aims to develop a high-precision optical Time Projection Chamber (TPC) for directional Dark Matter search and solar neutrino spettroscopy, be hosted at Laboratori Nazionali del Gran Sasso (LNGS). distinctive feature of include the exploitation scientific CMOS cameras photomultiplier tubes coupled Gas Electron Multiplier amplification within helium-fluorine-based gas mixture atmospheric pressure. primary objective this is achieve three-dimentional tracking with head-tail...
The INFN Cloud project was launched at the beginning of 2020, aiming to build a distributed infrastructure and provide advanced services for scientific communities. A Platform as Service (PaaS) created inside that allows experiments develop access resources Software (SaaS), CYGNO is betatester this system. aim experiment realize large gaseous Time Projection Chamber based on optical readout photons produced in avalanche multiplication ionization electrons GEM stack. To extent, exploits...
Abstract The CYGNO experiment aims to build a large ( $$\mathcal {O}(10)$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>O</mml:mi> <mml:mo>(</mml:mo> <mml:mn>10</mml:mn> <mml:mo>)</mml:mo> </mml:mrow> </mml:math> m $$^3$$ <mml:mmultiscripts> <mml:mrow/> <mml:mn>3</mml:mn> </mml:mmultiscripts> ) directional detector for rare event searches, such as nuclear recoils (NRs) induced by dark matter (DM), weakly interactive massive particles (WIMPs). concept comprises...
Abstract Active Pixel sensors play a crucial role in enabling successful low-light scientific experiments due to their inherent advantages and capabilities. Such devices not only offer high spatial resolution but also feature individual pixels with integrated amplifiers, allowing for direct signal amplification at the pixel level. This results reduced readout noise improved signal-to-noise ratio (SNR), which are particularly vital when dealing limited photon counts environments. holds true...
The Cygno project aims at the construction of a gaseous Time Projection Chamber (TPC) with optical readout for high precision three-dimensional tracking low energy nuclear and electronic recoils down to few keVs. efficient discrimination between these two processes represents main challenge modern dark matter direct detection experiments. In this context, TPCs are promising innovative technique that can reach very good 3D position reconstruction capabilities thanks performance latest...
The CYGNO experiment aims at the development of a large gaseous TPC with GEM-based amplification and an optical readout by means PMTs scientific CMOS cameras for 3D tracking down to O(keV) energies, directional detection rare events such as low mass Dark Matter solar neutrino interactions. largest prototype built so far towards realisation demonstrator is 50 L active volume LIME, 4 single sCMOS imaging 33$\times$33 cm\textsuperscript{2} area cm drift, that has been installed in underground...
The CYGNO project for the development of a high precision optical readout gaseous TPC directional Dark Matter search and solar neutrino spectroscopy will be presented. It is to hosted at Laboratori Nazionali del Gran Sasso. peculiar features are use sCMOS cameras PMTs coupled GEMs amplification helium-based gas mixture atmospheric pressure, in order achieve 3D tracking with head tail capability background rejection down O(keV) energy, boost sensitivity low WIMP masses. latest R&D results...
The detection of ultra-rare events as the interaction galactic dark matter (DM) candidate particles or neutrinos originated from Sun requires development innovative techniques. In particular future experiments for direct DM to extend their sensitivity masses well below 10 GeV. Cygno collaboration plans build and operate at Laboratori Nazionali del Gran Sasso (LNGS) a cubic meter demonstrator gaseous time projection chamber (TPC), equipped with an optical readout using He:CF4 gas mixture kept...
Gaseous Time Projection Chambers (TPC) with optical readout are an innovative and very promising detection technique to enhance the sensitivity for light dark matter candidates. The Cygno experiment is pursuing this by developing a TPC operated gas mixtures at atmospheric pressure equipped Gas Electron Multipliers (GEM) amplification stage that produces visible light. Light collected high resolution scientific CMOS camera, while fast photodetector used measure drift time of primary...
Innovative experimental techniques are needed to further search for dark matter Weakly Interacting Massive Particles (WIMPs). The ultimate limit is represented by the ability efficiently reconstruct and identify nuclear electron recoil events at energy threshold. Gaseous Time Projection Chambers (TPC) with optical readout very promising candidates thanks 3D event reconstruction capability of TPC technique high sensitivity granularity last generation light sensors. Cygno experiment pursuing...
Innovative experimental techniques are needed to further search for dark matter weakly interacting massive particles. The ultimate limit is represented by the ability efficiently reconstruct and identify nuclear electronic recoil events at energy threshold. Gaseous Time Projection Chambers (TPC) with optical readout very promising candidates thanks 3D event reconstruction capability of TPC technique high sensitivity granularity last generation scientific light sensors. CYGNO experiment...
The proposal of CYGNO experiments, is the construction one cubic meter, single-phase, gas-only Time Projection Chambers (TPCs) for Directional Dark Matter search. particularity read-out technique based on Micro Pattern Gas Detector (MPGD) amplification ionization and collection yielded visible light by a scientific CMOS camera with sub-mm position resolution. Four PMTs, arranged four sides detector, work as trigger are used to calculate third coordinate tracks, identify electron nuclear...
The proposed CYGNO experiment is a one cubic meter, single-phase, gas-only Time Projection Chambers (TPCs) for Directional Dark Matter search. particularity of the read-out technique based on Micro Pattern Gas Detector (MPGD) amplification ionization and collection yielded visible light by scientific CMOS camera with sub-mm position resolution. A corresponding fast detection, through PMT or SiPM devices, allows reconstructing three-dimensional direction tracks enabling to distinguish...