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Matteo Rinaldi (Istituto Nazionale di Fisica Nucleare)01/10/2025, 09:00
In this talk I review the most important and recent results collected by the Perugia group about the study of polarized and unpolarized deep inelastic scattering (DIS) off light nuclei and the new project to propose extracting nuclear double parton distributions (DPDs) in the future electron Ion collider (EIC). In particular, I will discuss the calculation of the so-called European Muon...
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Prof. Luigi Coraggio (INFN-NA)01/10/2025, 09:30
The detection of the double-beta decay without neutrino emission will represent a major turning point towards our knowledge of the neutrino nature. Moreover, it is going to open new scenarios for the Beyond-Standard-Model physics, because of the violation of the lepton number within such a process. In particular, the measurement of the half-life of such a decay will provide an almost direct...
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Vishal Parmar01/10/2025, 10:00
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Silvia Trabucco (Gran Sasso Science Institute)01/10/2025, 11:00
We investigate features of neutron stars glitches employing rotating dipolar supersolids. Understanding the rotational dynamics of such systems sheds light on the behavior of vortices in density-modulated superfluids. We demonstrate that supersolid rotation arises from two distinct flow components: one associated with vortices and another with a curl-free (irrotational) velocity field. At...
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Simone Anedda (Istituto Nazionale di Fisica Nucleare)01/10/2025, 11:20
Future planned lepton colliders, both in the circular and linear configurations, can effectively work as virtual and quasi-real photon-photon colliders and are expected to stimulate an intense physics program in the next few years. In this paper, we suggest to consider photon-photon scattering
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as a useful source of information on transverse momentum dependent fragmentation functions (TMD... -
Luca Polano (Istituto Nazionale di Fisica Nucleare)01/10/2025, 11:40
Parton distribution functions (PDFs) describe the internal structure of hadrons by providing information on the number densities of quarks and gluons inside them. Among the three leading-twist PDFs, the unpolarised distribution $f_1$ , the helicity distribution $g_1$, and the transversity distribution $ h_1$, the transversity has only recently been extracted and the uncertainties are still...
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Gianluca Colo' (Istituto Nazionale di Fisica Nucleare)01/10/2025, 14:00
The purpose of this contribution is twofold. First, I will highlight the status and some of the successes of nonrelativistic DFT, which is still, to date, the microscopic nuclear model with the broadest range of applicability. Some examples of applications, like the solution of the puzzle of the nuclear matter incompressibility and the case of nuclear photonics, will be discussed.
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At the... -
Francesco Becattini (Istituto Nazionale di Fisica Nucleare)01/10/2025, 14:30
An overview on spin observables as a tool to study the medium produced in heavy-ion collisions. 30' minute talk
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Andrea Beraudo01/10/2025, 15:00
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Dr Enrico Speranza (Università di Firenze)01/10/2025, 15:20
In the study of spin-polarization phenomena in heavy-ion collisions, it is
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typically assumed that final-state particles are polarized through thermal vorticity
and shear. In this sense, polarization is a final-state effect. Here, we propose a
different mechanism. We postulate that the collision of spin-carrying nucleons
generates an initial transverse spin density, inducing a net... -
Federico Nola (Istituto Nazionale di Fisica Nucleare)01/10/2025, 16:10
Neutron stars provide a unique laboratory for probing the properties of dense nuclear matter under extreme conditions of density. Understanding their internal structure requires a description of the Equation of State of matter at very high densities, which remains one of the main challenges in modern nuclear physics and astrophysics.
A Chiral Effective Field Theory approach can quite...
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Stefano Burrello (Istituto Nazionale di Fisica Nucleare)01/10/2025, 16:30
The nuclear equation of state (EoS) governs the structure of neutron stars and can be constrained by linking information from astrophysical observations, ab initio nuclear theory, and heavy-ion collisions within a Bayesian framework. In this work, we extend a unified meta-modeling approach to the EoS by implementing low-density corrections informed by energy density functionals calibrated to...
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Matthias Goebel (Istituto Nazionale di Fisica Nucleare)01/10/2025, 16:50
More and more data on correlation functions between hadrons as they can be measured in heavy-ion collisions using the femtoscopy technique [1,2] have recently become available. This applies not only to the nucleon-nucleon system but also to the hyperon-nucleon system. Thereby, they might help in the future to constrain hyperon-nucleon interactions.
As a first step in this direction, it is...
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Andrea Sabatucci01/10/2025, 17:10
We discuss the inclusion of relativistic boost corrections in the correlated basis function (CBF) effective nuclear Hamiltonian. In this framework, a well-behaved nuclear effective interaction is derived from a realistic Hamiltonian through the CBF formalism and cluster expansion techniques. This approach has proven to be remarkably powerful in computing both equilibrium and transport...
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Simone Rodini02/10/2025, 09:00
Transverse-Momentum dependent (TMD) parton distributions are one of the main tools to study the structure of the proton in a three-dimensional momentum space. They encode information on the probability densities of finding a parton with some specific 3D momentum, as well as fundamental spin-orbit correlations between the transverse motion of partons and the proton spin. In this talk I will...
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Luca Passarella (Istituto Nazionale di Fisica Nucleare)02/10/2025, 09:40
The finite-temperature equation of state (EOS) is analyzed within an effective Lagrangian framework, where the dilaton field encodes the breaking of scale symmetry in QCD. In the pure gauge $SU(3)_c$ sector, the gluon condensate dynamics are described through a dilaton Lagrangian: at low temperature the condensate is dominated by the dilaton, while above the critical temperature it evaporates...
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Stefano Brolli (Istituto Nazionale di Fisica Nucleare)02/10/2025, 10:00
The ab initio calculation of optical potentials, grounded in the microscopic Hamiltonian, and the consistent evaluation of cross sections requires accounting for high-order virtual excitations, whose number grows factorially with perturbative order. This limitation has long hindered ab initio calculations of scattering observables, which instead rely on phenomenological models of optical...
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Daniele Roselli02/10/2025, 10:20
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Paolo Finelli (Istituto Nazionale di Fisica Nucleare)02/10/2025, 11:10
The optical potential is a well-established and widely used tool to describe nucleon-nucleus scattering processes. Within this approach, it is possible to compute the scattering observables for elastic processes across a wide region of the nuclear landscape and extend its usage to inelastic scattering and other types of reactions.
Since phenomenological approaches lack predictive power, we...
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Paolo Parotto (Istituto Nazionale di Fisica Nucleare)02/10/2025, 11:40
The thermodynamics of QCD is expected to exhibit a very rich structure as temperature and baryon density are varied, with possibly a first order transition at high density and a critical point. Heavy ion collision experiments have been hunting signs of critical behavior for more than a decade, but no clear signal has been found yet. On the theory side, lattice simulations are the major tool...
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02/10/2025, 12:10
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Luca Spagnoli (Istituto Nazionale di Fisica Nucleare)02/10/2025, 14:00
Real-time simulations of nuclear reactions are classically intractable due to exponential scaling. By adopting a first-quantized formulation of pionless effective field theory, we show that quantum computers can simulate such dynamics efficiently, with costs that grow only polynomially in nucleon number and logarithmically with basis size. The approach demonstrates an exponential saving over...
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Mr Andrea Di Donna (INFN - Unitn)02/10/2025, 14:20
Three advances in Neural Quantum States for nuclear physics: (i) We develop a Pfaffian–Jastrow VMC-NQS ansatz for single-$\Lambda$ hypernuclei. Calibrated via Gaussian-process assisted LO pionless EFT it reproduces s- and p-shell binding and $\Lambda$-separation energies, capturing the proton "shrinkage" in $^{7}_{\Lambda}\mathrm{Li}$ relative to $^{6}\mathrm{Li}$; (ii) Neural Interacting...
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Gabriele Parisi (Istituto Nazionale di Fisica Nucleare)02/10/2025, 14:40
In this talk I will discuss the dynamics of Heavy Quarks in the initial gluon-dominated phase of heavy ion collisions, called Glasma. I will first highlight the effect of such phase on the color de-correlation of Heavy Quark pairs, as shown by numerical studies in a 2+1D framework. Then, moving on to 3+1D studies, I discuss the effect of rapidity-dependent fluctuations on the momentum shift of...
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Maria Lucia Sambataro (Università di Catania - LNS (INFN))02/10/2025, 15:00
A key objective in heavy-flavour studies is to quantify the interaction between heavy quarks (HQs) and the quark-gluon plasma (QGP) via the spatial diffusion coefficient $D_s(T)$. Recent lattice QCD results with dynamical fermions suggest a notably low value of $2\pi T D_s \approx 1$ at $T_c$ for charm quarks—much lower than quenched QCD and phenomenological models, which predict $2\pi T D_s...
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Juan Manuel Franco Patino (University of Seville & University of Turin/INFN Turin.)02/10/2025, 15:20
Nuclear effects in neutrino-nucleus scattering are one of the main sources of uncertainty in the analysis of neutrino oscillation experiments. Due to the extended neutrino energy distribution, very different reaction mechanisms contribute to the cross section at the same time. Measurements of muon momentum in CC0π events are very important for experiments like T2K, where most of the...
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Luciano Canton (Istituto Nazionale di Fisica Nucleare)02/10/2025, 16:40
The radionuclide ⁶⁷Cu is a highly attractive theranostic agent, combining β⁻ emission for radiotherapy with γ-rays suitable for SPECT imaging. However, achieving efficient and clean cyclotron-based production remains a major obstacle. In this study, we explore an alternative nuclear reaction route using triton beams on zinc targets—specifically ⁶⁸Zn(t,x)⁶⁷Cu—as part of the NUCSYS CSN4,...
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Yuliia Lashko (Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Italy; Bogolyubov Institute for Theoretical Physics, Kyiv, Ukraine)02/10/2025, 17:10
The $\beta^-$-emitting radionuclide $^{47}$Sc is an attractive theranostic agent for nuclear medicine, offering both SPECT imaging capabilities and therapeutic efficacy for small tumors. However, its clinical deployment remains limited by production challenges, including insufficient radionuclidic purity, low yields for some reaction channels, and reliance on restricted infrastructure. In...
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Francesca Barbaro (Istituto Nazionale di Fisica Nucleare)02/10/2025, 17:30
Terbium offers a unique set of four clinically relevant radionuclides, 149Tb, 152Tb, 155Tb, and 161Tb,covering a broad spectrum of nuclear medicine applications, from PET and SPECT imaging to targeted alpha and beta therapies. Their complementary decay properties make them ideal candidates for theranostic approaches, where diagnostic and therapeutic isotopes can be used in matched pairs [1]....
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Mirco Guerrini (University of Ferrara and Istituto Nazionale di Fisica Nucleare)03/10/2025, 09:40
The Bodmer-Witten hypothesis concerns the possibility that ordinary hadronic matter in bulk is a metastable state of strongly interacting matter, while strange quark matter (SQM) is absolutely stable (i.e., the global minimum). These two phases would be separated by a potential barrier that prevents the spontaneous decay of hadronic matter into SQM in ordinary conditions.
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If this hypothesis... -
Filippo Fornetti (Istituto Nazionale di Fisica Nucleare)03/10/2025, 10:00
The homogeneous Bethe-Salpeter equation (hBSE) [1], which models a bound system within a fully relativistic quantum field theory, has been solved for the first time using a D-Wave quantum annealer [2]. Following standard discretization methods, the hBSE in the ladder approximation can be reformulated as a generalized eigenvalue problem (GEVP) involving two square matrices, one symmetric and...
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Jennifer Rittenhouse West (INFN Turin and University of Turin)03/10/2025, 10:20
Collider-based QCD calculations shed light on cosmic ray antiproton anomalies with novel cross-disciplinary results. Current astrophysical observations require a precise calculation of cross sections for direct proton-proton to antiproton production vs. indirect production (in which an antineutron is produced first and decays to an antiproton with branching ratio 1). The results of cross...
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Yiyu Zhou (University of Turin)03/10/2025, 11:10
In this work, we investigate the nuclear modification effects in transverse momentum dependent
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(TMD) observables by implementing a nuclear covariance matrix in the treatment of theoretical uncertainties. Global QCD analysis is performed with the aforementioned nuclear covariance matrix to verify its equivalence with the traditional approach of including a nuclear correction parameter. The... -
Alessandro Grassi (Istituto Nazionale di Fisica Nucleare)03/10/2025, 11:30
Scattering observables in few-nucleon systems are explored using the interaction model and theoretical framework established in Phys. Rev. C 103, 054003 (2021). By refining the low-energy constants of the potential to accurately reproduce key two-body scattering observables, we obtain fresh insights and updated predictions for the observables under consideration. Moreover, since the...
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Margherita Sagina (Istituto Nazionale di Fisica Nucleare)03/10/2025, 11:50
In recent years, there has been a notable interest in investigating hypernuclear systems, which provide a unique laboratory for studying strong interactions in the strange quark sector. One of the main applications is related to the so-called "hyperon puzzle" in neutron stars, where theoretical models including hyperons predict maximum masses of $\sim 1.5 \, M_{\odot}$ or less, in conflict...
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Elena Filandri (ECT*)03/10/2025, 12:10
We investigate the structure of $^{12}$C and $^{16}$O within an ab-initio Hyperspherical Harmonics framework using short-range Effective Field Theory-inspired interactions. For $^{12}$C, ground and excited states are accurately reproduced with a two-body potential plus a fine-tuned three-body force, while $^{16}$O requires a genuine four-body interaction to match experiment. We also analyze...
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Ylenia Capitani (Università del Salento and INFN-Lecce)03/10/2025, 12:30
The photodisintegration processes $\gamma + {}^{12}\mathrm{C} \to \alpha + \alpha + \alpha$ and $\gamma + {}^{9}\mathrm{Be} \to \alpha + \alpha + n$ are reactions of astrophysical relevance, both representing a path to carbon nucleosynthesis. Here we present a thorough study of the latter process [1], which is relevant in specific astrophysical environments involving a large number of...
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Andrea Beraudo (Istituto Nazionale di Fisica Nucleare)
I will show how a unified picture of HF-hadron production in high-energy hadronic collisions can be developed under the assumption that both in pp and in AA events a small/large drop of hot deconfined matter is formed, affecting the propagation and eventual hadronization of heavy quarks. Our calculations include a transport setup (POWLANG) interfaced with an hadronization model based on a...
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Daniele Roselli (Istituto Nazionale di Fisica Nucleare)
We present a new method to compute the full non-equilibrium corrections to the Wigner function of a Dirac field from hadronic interactions after decoupling, including hadron-gas interactions and dissipative contributions. We compute the resulting corrections to both the spectrum and the spin-polarization vector at any order in linear response theory.
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Alejandro Kievsky (Istituto Nazionale di Fisica Nucleare)
When a high-energy pp or p--nucleus collision occurs, particles are produced and emitted at relative distances of the order of the nuclear force. The effect of the mutual interaction between hadrons is reflected as a correlation signal in the momentum distributions of the detected particles which can be studied using correlation functions. The correlation function incorporate information on...
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