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Nuclear structure constraints on nucleosynthesis
Get PDFNuclear structure properties of proton rich nuclei at the limits of stability are an importance input for nuclear astrophysics models. The theoretical interpretation of the experimental decay data of these nuclei, makes possible the assignment of nuclear levels, and proton separation energies, crucial to understand how the rp process for the formation of the elements flows, and how it ends
Latest results on a SiC detector system for RIBs and possible physics cases
Get PDFRadioactive Ion Beams (RIBs) hold significant potential in the fields of nuclear physics and medical applications, particularly in particle therapy. The main hindrance to use RIBs for both nuclear physics research and clinical appli- cations lies in their complex production processes and the limitation of low beam intensities. Ongoing research projects are indeed underway in Europe and around the world with the aim of assessing the advantages of RIBs with high intensity. These research projects are focused on advancements in accelerator technology, tar- getry, and detector systems. Regarding these latter aspects, Silicon Carbide (SiC) detectors show notable promise in the fields of nuclear and medical physics due to their unique characteristics. This paper discusses recent results in the development of a detector system based on SiC technology. The detector system will also be used in conjunction with the FraISe (Fragment In-flight Separator) facility, which will be available in the near future at the Laboratori Nazionali del Sud of INFN (INFN-LNS) in Catania
High Intensity Kaon Experiments (HIKE) at CERN SPS
Get PDFThe availability of a kaon beam in the CERN SPS North Area gives a unique possibility of making tests of the Standard Model in the flavour physics sector. The HIKE programme has been presented at CERN to study rare decays of charged and neutral kaons with unprecedented precision. The realization of this programme will allow for tests of lepton flavour universality and lepton number conservation, as well as other precision measurements in the kaon sector and exotic particle searches
The Upgrade II of the LHCb muon detector
Get PDFLHCb is one of the large experiments operating at the LHC collider, mainly dedicated to b quark physics studies. To date, it contributed significantly to the Flavor Physics and Electroweak Physics in the forward region, thanks to its excellent performance during the LHC Runs 1 and Run 2, at an instantaneous luminosity Lpeak = 4 × 1032 cm−2s−1. The apparatus has recently been upgraded to efficiently work at Lpeak = 2 × 1033 cm−2s−1 for the current Run 3 data taking. Moreover, the further luminosity increase planned for the LHC Run 5 will open up new opportunities for LHCb in the field of precision flavor physics and physics beyond the Standard Model, making necessary the Upgrade II of the apparatus. From 2035, LHCb is expected to work at Lpeak = 1.5 × 1034 cm−2s−1, collecting 300 fb−1 data. Several options are under study for the muon detector Upgrade II, aiming to manage such an increase in luminosity and the expected rates of incident particles, while preserving its excellent muons detection efficiency. In this article, the state of the art of the muon detector Upgrade II is presented
Le esperienze internazionali dei dottori di ricerca: uno strumento di formazione da approfondire
Get PDFLe esperienze internazionali durante il percorso di studi sono un elemento che sta
acquistando una crescente importanza nello studio dei percorsi di formazione dei
dottori di ricerca, ma l’analisi del loro impatto è fortemente limitata dalla mancanza
di dati sistematici. Le esperienze internazionali nel corso degli studi dottorali non
hanno forme standardizzate tra Paesi, variano in durata e contenuti e spesso sono
regolate da accordi tra università se non direttamente tra dipartimenti.
Nella Quarta Relazione sulla Ricerca e l’Innovazione del CNR-DSU abbiamo
usufruito dei dati del progetto MORE - Mobility Survey of the Higher Education
Sector per presentare un’analisi dell’impatto dell’esperienza internazionale dei
dottori di ricerca sulle tempistiche e sulle modalità di accesso al mondo
accademico, confrontando la situazione italiana con quella dei principali Paesi
europei. Dalla nostra analisi emerge uno scenario composito, in cui l’esperienza
internazionale ritarda l’entrata nella ricerca ma, allo stesso tempo, aumenta le
probabilità dei dottori di ricerca di avere un lavoro accademico. Questo risultato
vale tanto per l’Italia quanto per altri Paesi europei. In questo contesto, uomini e
dottori nel campo delle Scienze Naturali sembrano essere avvantaggiati. I risultati
suggeriscono la necessità di intervenire per strutturare al meglio l’esperienza
internazionale durante il dottorato di ricerca e dare modo a tutti i dottorandi di
trarne beneficio
Discovery prospects of top squark in the ATLAS Experiment at HL-LHC
Get PDFDirect production of top squark pairs is one of the processes that are predicted by Supersymmetry (SUSY) at the LHC. One of the channels to search for this process targets the top squark decay in final states with two opposite-charge leptons (electrons or muons), hadronic jets and missing transverse momentum, in- vestigated in previous searches using LHC Run 2 data. This contribution is about the discovery prospects of top squark in this channel with the ATLAS Experiment in the High Luminosity phase of the accelerator (HL-LHC), when the LHC is foreseen to reach a center-of-mass energy of 14 TeV and to collect an integrated luminosity up to 3000 fb−1
The science communication: The outreach activity of the ATLAS Collaboration
Get PDFThe ATLAS experiment, located at the LHC, CERN, has put in
place since several years outreach projects, in order to communicate science and scientific results to a general public. The outreach activity has the fundamental role of inspiration for the future generations and of reinforcing people’s trust in the fundamental research. The digital communication has become of common usage: the social media and virtual reality are the way people keep the contact with the outside world. It is important then to include science in the digital communication. In this contest, the ATLAS collaboration is present, with its social media activities,
YouTube and the Virtual Visits, which let people have a look inside the cavern of the experiment. In this document, an overview of all these activities will be presented,
which resulted really important in strengthening the contact with the world outside during the COVID-19 pandemic
Quantum Machine Learning for data analysis at LHCb
Get PDFMachine learning (ML) algorithms have now become crucial in the field of High Energy Physics (HEP). An area where the application of such algorithms has proven particularly beneficial is the classification of hadronic jets produced at the Large Hadron Collider (LHC). Considering the complexity of the tasks in this field and the impending Run 3 data at higher luminosity, it is evident that a step-up in computational power is imperative. One potential candidate comes from the intersection between Quantum Computing (QC) and ML. Quantum Machine Learning (QML) algorithms leverage the intrinsic properties of QC, such as superposition and entanglement, to achieve better performance compared to their classical counterparts. This work provides an overview of these new learning models, with a focus in HEP. Specifically, we present studies of QML applications for the
classification of jets produced (b vs. ¯ b and b vs. c)attheLHCbexperiment. Notably, we discuss recent developments in measuring entanglement entropy between
qubits to gain new insights from the jet events data
