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Dataset related to article \"Validity and reliability of the Italian translation of the Yale Pharyngeal Residue Severity Rating Scale\
No full text<p>Dataset description available on the downloadable file.</p>
Dataset related to RF-2019-12371486 project: \"Characterisation of voluntary motor behaviour by muscle synergies, to improve efficacy and personalisation of rehabilitation therapy for upper limb, after stroke\
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Open Access repositories for scientific literature and research data
Get PDF<p>The Open Access Repository (OAR) project was started to implement Open Access policies and to preserve and share the scientific research results, including research data, of INFN authors. With the approval of the “Disciplinare per l’accesso aperto ai prodotti della ricerca dell’INFN” document, in July 2023, OAR officially became the INFN's institutional repository. In the past two years we studied the optimization of our institutional repository through the bulk upload of both digital and scanned documents, such as INFN Technical Notes and documents related to the ADONE project (1969-1993). Moreover, since 2023, a collaboration with INFN-CNAF has been established to migrate the current instance of the repository (v3) to an updated InvenioRDM (CERN) release (v11.0: the current latest stable release at the time of writing). To better support the OAR migration recent activities have been mainly focused on the record upload process, exploiting the following topics: authentication, metadata customization, author and entity names disambiguation and product approval flow management. In addition to the study of the repository structure, we worked on communication as well, introducing the tool to users through a specific website, and user training activities about the use of OAR. </p>
INFN-CNAF
Get PDF<p>Incontro "Flash talk challenge" presso bi-rex, con tavola rotonda, moderata da Francesca Masini, Delegata per la scienza aperta e dati della ricerca all'Università di Bologna; ogni membro della giuria avrà un paio di minuti per presentarsi ed introdurre la propria affiliazione, seguiti da 10 minuti di presentazione sul tema dell'Open Science. A seguire ci sarà un giro di domande concordate e domande dal pubblico.<br><br></p>
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Euclid: The search for primordial features
No full textPrimordial features, in particular oscillatory signals, imprinted in the primordial power spectrum of density perturbations represent a clear window of opportunity for detecting new physics at high-energy scales. Future spectroscopic and photometric measurements from the Euclid space mission will provide unique constraints on the primordial power spectrum, thanks to the redshift coverage and high-accuracy measurement of nonlinear scales, thus allowing us to investigate deviations from the standard power-law primordial power spectrum. We consider two models with primordial undamped oscillations superimposed on the matter power spectrum described by 1 + X sin (ωXΞX + 2 πϕX), one linearly spaced in k space with Ξlin ≡ k/k* where k* = 0.05 Mpc−1 and the other logarithmically spaced in k space with Ξlog ≡ ln(k/k*). We note that X is the amplitude of the primordial feature, ωX is the dimensionless frequency, and ϕX is the normalised phase, where X = {lin, log}. We provide forecasts from spectroscopic and photometric primary Euclid probes on the standard cosmological parameters Ωm, 0, Ωb, 0, h, ns, and σ8, and the primordial feature parameters X, ωX, and ϕX. We focus on the uncertainties of the primordial feature amplitude X and on the capability of Euclid to detect primordial features at a given frequency. We also study a nonlinear density reconstruction method in order to retrieve the oscillatory signals in the primordial power spectrum, which are damped on small scales in the late-time Universe due to cosmic structure formation. Finally, we also include the expected measurements from Euclid's galaxy-clustering bispectrum and from observations of the cosmic microwave background (CMB). We forecast uncertainties in estimated values of the cosmological parameters with a Fisher matrix method applied to spectroscopic galaxy clustering (GCsp), weak lensing (WL), photometric galaxy clustering (GCph), the cross correlation (XC) between GCph and WL, the spectroscopic galaxy clustering bispectrum, the CMB temperature and E-mode polarisation, the temperature-polarisation cross correlation, and CMB weak lensing. We consider two sets of specifications for the Euclid probes (pessimistic and optimistic) and three different CMB experiment configurations, that is, Planck, Simons Observatory (SO), and CMB Stage-4 (CMB-S4). We find the following percentage relative errors in the feature amplitude with Euclid primary probes: for the linear (logarithmic) feature model, with a fiducial value of X = 0.01, ωX = 10, and ϕX = 0: 21% (22%) in the pessimistic settings and 18% (18%) in the optimistic settings at a 68.3% confidence level (CL) using GCsp+WL+GCph+XC. While the uncertainties on the feature amplitude are strongly dependent on the frequency value when single Euclid probes are considered, we find robust constraints on X from the combination of spectroscopic and photometric measurements over the frequency range of (1, 102.1). Due to the inclusion of numerical reconstruction, the GCsp bispectrum, SO-like CMB reduces the uncertainty on the primordial feature amplitude by 32%–48%, 50%–65%, and 15%–50%, respectively. Combining all the sources of information explored expected from Euclid in combination with the future SO-like CMB experiment, we forecast lin ≃ 0.010 ± 0.001 at a 68.3% CL and log ≃ 0.010 ± 0.001 for GCsp(PS rec + BS)+WL+GCph+XC+SO-like for both the optimistic and pessimistic settings over the frequency range (1, 102.1).Key words: gravitation / gravitational lensing: weak / cosmological parameters / early Universe / large-scale structure of Universe⋆ This paper is published on behalf of the Euclid Consortium
Observation of WW production and search for H production in proton-proton collisions at = 13 TeV
No full textThe observation of WW production in proton-proton collisions at a center-of-mass energy of 13 TeV with an integrated luminosity of 138 fb is presented. The observed (expected) significance is 5.6 (5.1) standard deviations. Events are selected by requiring exactly two leptons (one electron and one muon) of opposite charge, moderate missing transverse momentum, and a photon. The measured fiducial cross section for WW is 5.9 0.8 (stat) 0.8 (syst) 0.7 (modeling) fb, in agreement with the next-to-leading order quantum chromodynamics prediction. The analysis is extended with a search for the associated production of the Higgs boson and a photon, which is generated by a coupling of the Higgs boson to light quarks. The result is used to constrain the Higgs boson couplings to light quarks
Simulating photonic devices with noisy optical elements
No full textQuantum computers are inherently affected by noise. While in the long term, error correction codes will account for noise at the cost of increasing physical qubits, in the near term, the performance of any quantum algorithm should be tested and simulated in the presence of noise. As noise acts on the hardware, the classical simulation of a quantum algorithm should not be agnostic on the platform used for the computation. In this paper, we apply the recently proposed noisy gates approach to efficiently simulate noisy optical circuits described in the dual rail framework. The evolution of the state vector is simulated directly, without requiring the mapping to the density matrix framework. Notably, we test the method on both the gate-based and measurement-based quantum computing models, showing that the approach is very versatile. We also evaluate the performance of a photonic variational quantum algorithm to solve the MAX-2-CUT problem. In particular we design and simulate an ansatz, which is resilient to photon losses up to p∼10−3 making it relevant for near-term applications
Taming Mass Gaps with Anti–de Sitter Space
No full textAnti-de-Sitter space acts as an infra-red cut off for asymptotically free theories, allowing interpolation between a weakly-coupled small-sized regime and a strongly-coupled flat-space regime. We scrutinize the interpolation for theories in two dimensions from the perspective of boundary conformal theories. We show that the appearance of a singlet marginal operator destabilizes a gapless phase existing at a small size, triggering a boundary renormalization group flow to a gapped phase that smoothly connects to flat space. We conjecture a similar mechanism for confinement in gauge theories
Probing light dark matter with positron beams at NA64
No full textWe present the results of a missing-energy search for light dark matter which has a new interaction with ordinary matter transmitted by a vector boson, called dark photon A′. For the first time, this search is performed with a positron beam by using the significantly enhanced production of A′ in the resonant annihilation of positrons with atomic electrons of the target nuclei, followed by the invisible decay of A′ into dark matter. No events were found in the signal region with (10.1±0.1)×109 positrons on target with 100 GeV energy. This allowed us to set new exclusion limits that, relative to the collected statistics, prove the power of this experimental technique. This measurement is a crucial first step toward a future exploration program with positron beams, whose estimated sensitivity is here presented
Extended Skyrme effective interactions for transport models and neutron stars
No full textInterpreting the data of nuclear experiments and astrophysical observations requires advanced theoretical models. At this point, it is of particular importance to develop a unified theoretical framework to describe these experiments and observations based on same effective nuclear interactions. Based on the so-called Skyrme pseudopotential up to next-to-next-to-next-to-leading order, we construct a series of extended Skyrme interactions by modifying the density-dependent term and fitting the empirical nucleon optical potential up to above 1 GeV, the empirical properties of isospin symmetric nuclear matter, the microscopic calculations of pure neutron matter and the properties of neutron stars from astrophysical observations. The modification of the density-dependent term in the extended Skyrme interactions follows the idea of Fermi momentum expansion and this leads to a highly flexible density behavior of the symmetry energy. In particular, the values of the density slope parameter L of the symmetry energy for the new extended Skyrme interactions range from L=−5 MeV to L=125 MeV by construction, to cover the large uncertainty of the density dependence of the symmetry energy. Furthermore, to consider the effects of isoscalar and isovector nucleon effective masses, we adjust the momentum dependence of the single-nucleon optical potential and the symmetry potential of these new extended Skyrme interactions and construct a parameter set family, by which we systematically study the impacts of the symmetry energy and the nucleon effective masses on the properties of nuclear matter and neutron stars. The new extended Skyrme interactions constructed in the present work will be useful to determine the equation of state of isospin asymmetric nuclear matter, especially the symmetry energy, as well as the nucleon effective masses and their isospin splitting, in transport model simulations for heavy-ion collisions, nuclear structure calculations and neutron star studies