R. Di Nardo
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View article: Resistive high granularity Micromegas for future detectors.Status and perspectives
Resistive high granularity Micromegas for future detectors.Status and perspectives Open
The project focuses on advancing single amplification stage resistive MPGD technology, specifically Micromegas, for stable operations at particle rates up to 10 MHz/cm 2 . Key efforts include miniaturizing readout elements, optimizing spar…
View article: Industrial manufacturing of resistive bulk Micromegas
Industrial manufacturing of resistive bulk Micromegas Open
In recent years, resistive Micromegas detectors have undergone an intense R&D phase to ensure their technological advancements for safe operation under diverse experimental conditions. Both low and high-rate versions have matured to be emp…
View article: Resistive fine granularity Micromegas: characterization and performance for different spark protection resistive schemes
Resistive fine granularity Micromegas: characterization and performance for different spark protection resistive schemes Open
The aim of the presented work is the development of single-stage amplification resistive Micro Pattern Gas Detectors (MPGD) based on Micromegas technology with the following characteristics: ability to efficiently operate up to 10 MHz/cm 2…
View article: Resistive Fine Granularity Micromegas: Characterization and Performance for Different Spark Protection Resistive Schemes
Resistive Fine Granularity Micromegas: Characterization and Performance for Different Spark Protection Resistive Schemes Open
The aim of the presented work is the development of single-stage amplification resistive Micro Pattern Gas Detectors (MPGD) based on Micromegas technology with the following characteristics: ability to efficiently operate up to 10 MHz/cm$^…
View article: High granularity resistive Micromegas for tracking detectors in future experiments
High granularity resistive Micromegas for tracking detectors in future experiments Open
After exploring different solutions and testing several options, the high granularity resistive Micromegas technology is now mature enough to offer an efficient operation up to particle rates of 10 MHz/cm 2 , maintaining the gas amplificat…
View article: Test and characterization of SiPMs for the upgrade of MEGII high resolution Timing Counter
Test and characterization of SiPMs for the upgrade of MEGII high resolution Timing Counter Open
The MEG II experiment based at PSI (Zuerich, Switzerland) has been committed and is taking data since 2021 to improve sensitivity on the decay μ + → e + γ . The pixelated Timing Counter (pTC), consisting of two arrays of 512 5 mm thick sci…
View article: Ad interim recommendations for the Higgs boson production cross sections at $\sqrt{s} = 13.6$ TeV
Ad interim recommendations for the Higgs boson production cross sections at $\sqrt{s} = 13.6$ TeV Open
This note documents predictions for the inclusive production cross sections of the Standard Model Higgs boson at the Large Hadron Collider at a centre of mass energy of 13.6 TeV. The predictions here are based on simple extrapolations of p…
View article: Higgs boson fiducial differential cross section measurements at ATLAS
Higgs boson fiducial differential cross section measurements at ATLAS Open
These proceedings report on recent results on inclusive and fiducial differential cross-section measurement at ATLAS. Most of the results are based on the full LHC Run 2 dataset at √𝑠= 13 TeV. First Higgs boson production cross-section mea…
View article: The IDEA detector concept for FCCee
The IDEA detector concept for FCCee Open
The Future Circular Collider (FCC) will allow to perform detailed studies on particle physics thanks to the available high statistic and the precision with which the particle energy and beam polarization will be known. In order to exploit …
View article: Micromegas with high-granularity readout: stability and performance at high particle rates
Micromegas with high-granularity readout: stability and performance at high particle rates Open
The new generation of particle physics experiments at current and future colliders demands more and more robust detectors. A proposed solution to the stringent requirements are the Small-pad Resistive Micormegas. This technology is being d…
View article: MPGDs for tracking and Muon detection at future high energy physics colliders
MPGDs for tracking and Muon detection at future high energy physics colliders Open
In the next years, the energy and intensity frontiers of the experimental Particle Physics will be pushed forward with the upgrade of existing accelerators (LHC at CERN) and the envisaged construction of new machines at energy scales up to…
View article: A comparison between scintillation light Analog and Digital Trigger for large volume Liquid Argon Time Projection Chambers
A comparison between scintillation light Analog and Digital Trigger for large volume Liquid Argon Time Projection Chambers Open
Large volume Liquid Argon Time Projection Chambers (LAr-TPC) are used and proposed for neutrino physics and rare event search. Most of these detectors make use of the scintillation light of liquid argon for trigger purposes. Two different …
View article: Higgs physics at the HL-LHC and HE-LHC
Higgs physics at the HL-LHC and HE-LHC Open
The discovery of the Higgs boson in 2012, by the ATLAS and CMS experiments, was a success achieved with only a percent of the entire dataset foreseen for the LHC. It opened a landscape of possibilities in the study of Higgs boson propertie…
View article: Towards a measurement of the emittance of muons produced by positron annihilation at threshold energy
Towards a measurement of the emittance of muons produced by positron annihilation at threshold energy Open
The muon collider represents one of the most promising solutions for a future machine exploring the high energy frontier, but several challenges due to the 2.2 $\mu$sec muon lifetime at rest have to be carefully considered. The LEMMA proje…
View article: LEMMA approach for the production of low-emittance muon beams
LEMMA approach for the production of low-emittance muon beams Open
This work introduces an experimental test of the new proposal for a low–emittance muon accelerator (LEMMA). A low–emittance muon beam is obtained from the e+e− → μ+μ− annihilation process at the threshold energy of 45 GeV eliminating the n…
View article: FAMU: study of the energy dependent transfer rate Λ<sub> <i>μp → μO</i> </sub>
FAMU: study of the energy dependent transfer rate Λ<sub> <i>μp → μO</i> </sub> Open
The main goal of the FAMU experiment is the measurement of the hyperfine splitting (hfs) in the 1S state of muonic hydrogen ΔEhfs (μ - p)1S. The physical process behind this experiment is the following: μp are formed in a mixture of hydrog…
View article: Observation of the ttH production in ATLAS
Observation of the ttH production in ATLAS Open
In this talk I will discuss the results recently obtained by the ATLAS Collaboration based on Run-2 data, which led to evidence and observation for the ttH production mode
View article: New proposal for low-emittance muon collider
New proposal for low-emittance muon collider Open
These proceedings introduce a new proposal for a low-emittance\nmuon collider. A low-emittance muon beam is obtained from the process e$^+$e$^-\\rightarrow\\mu^+\\mu^-$ with positrons at the threshold energy of 45 GeV. A first test beam to…
View article: Construction techniques and performances of a full-size prototype Micromegas chamber for the ATLAS muon spectrometer upgrade
Construction techniques and performances of a full-size prototype Micromegas chamber for the ATLAS muon spectrometer upgrade Open
A full-size prototype of a Micromegas precision tracking chamber for the upgrade of the ATLAS detector at the LHC Collider has been built between October 2015 and April 2016. This paper describes in detail the procedures used in constructi…
View article: First FAMU observation of muon transfer from μp atoms to higher-Z elements
First FAMU observation of muon transfer from μp atoms to higher-Z elements Open
The FAMU experiment aims to accurately measure the hyperfine splitting of the ground state of the muonic hydrogen atom. A measurement of the transfer rate of muons from hydrogen to heavier gases is necessary for this purpose. In June 2014,…
View article: RECENT HIGGS BOSON RESULTS FROM THE LHC
RECENT HIGGS BOSON RESULTS FROM THE LHC Open
A collection of Higgs boson property measurements from ATLAS and CMS collaboration based on LHC Run1 dataset is presented. In addition, recent results on Higgs physics from LHC Run2 are summarized.
View article: First FAMU observation of muon transfer from mu-p atoms to higher-Z elements
First FAMU observation of muon transfer from mu-p atoms to higher-Z elements Open
The FAMU experiment aims to accurately measure the hyperfine splitting of the ground state of the muonic hydrogen atom. A measurement of the transfer rate of muons from hydrogen to heavier gases is necessary for this purpose. In June 2014,…
View article: Searching for exotic physics with the ATLAS detector
Searching for exotic physics with the ATLAS detector Open
Many theories beyond the Standard Model predict new phenomena accessible by the LHC. Searches for new physics models are performed using the ATLAS experiment at the LHC. The results reported here use the pp collision data sample collected …
View article: Handbook of LHC Higgs Cross Sections: 4. Deciphering the Nature of the Higgs Sector
Handbook of LHC Higgs Cross Sections: 4. Deciphering the Nature of the Higgs Sector Open
This Report summarizes the results of the activities of the LHC Higgs Cross Section Working Group in the period 2014-2016. The main goal of the working group was to present the state-of-the-art of Higgs physics at the LHC, integrating all …
View article: Tests of PROOF-on-Demand with ATLAS Prodsys2 and first experience with HTTP federation
Tests of PROOF-on-Demand with ATLAS Prodsys2 and first experience with HTTP federation Open
During the LHC Run-1, Grid resources in ATLAS have been managed by the PanDA and DQ2 systems. In order to meet the needs for the LHC Run-2, Prodsys2 and Rucio are used as the new ATLAS Workload and Data Management systems. The data are sto…