The rapid progress in AI/ML has led to numerous applications in theoretical nuclear physics, often transforming how we carry out calculations and analyze data. I will review recent developments, including generative modeling of collider events, simulation-based inference at the event level, and novel search strategies for physics beyond the Standard Model. These techniques are relevant to...
Short-ranged correlations (SRCs) provide insight into the fundamental forces that drive nuclear dynamics. Current experimental goals in this area include increasing precision in two-nucleon (2N) observables and the discovery and characterization of 3N SRCs. Exclusive measurements for these efforts require immense statistics and, given the tensor force’s preference for neutron-proton pairing,...
Obtaining high-precision predictions of nuclear masses, or equivalently nuclear binding energies, $E_b$, remains an important goal in nuclear-physics research. Recently, many AI-based tools have shown promising results on this task, some achieving a precision that surpasses the best human models. However, the utility of these AI models remains in question given that predictions are only useful...
At the new high-intensity, low-energy electron accelerator MESA, the MAGIX experiment will enable high-precision scattering studies focused on the structure of hadrons and few-body systems, dark sector searches, as well as investigations of reactions relevant to nuclear astrophysics.
MAGIX features a fully windowless scattering chamber housing an internal gas jet target that can be operated...
Various extensions of the Standard Model give rise to BSM particles with masses in the MeV to sub-GeV range. Such particles are often associated with dark matter, the strong CP problem and the $\left(g-2\right)_{\mu}$ anomaly. In this work, we examine the experimental constraints on such particles that can be derived from near-future high-precision experiments, including the MESA facility and...
At the Institute for Nuclear Physics in Mainz, the new electron accelerator MESA will be operational shortly. The high-power beam dump of the P2 experiment (150 MeV, 150 $\mu$A) is ideally suited for a parasitic dark sector experiment – DarkMESA.
The experiment is designed for the detection of Light Dark Matter (LDM), which in the simplest model couples to a massive vector particle, the...
Testing the foundations of quantum mechanics requires experiments with
extremely high sensitivity to the detection of events, which, if they
occur, would have an extremely low rate. The VIP collaboration at the Gran
Sasso National Laboratory (LNGS) is performing tests on the spontaneous
collapse of the wave function, where recent results indicate that
different collapse models...
Generalized Parton Distributions (GPDs) are nowadays the object of an intense effort of research, in the perspective of understanding nucleon structure. They describe the correlations between the longitudinal momentum and the transverse spatial position of the partons inside the nucleon and they can give access to the contribution of the orbital momentum of the quarks and gluons to the nucleon...
The electromagnetic polarizabilities of the proton are fundamental structure constants, that describe the proton’s response to an external electromagnetic (EM) field and quantify the deformation of the charge and magnetization distributions inside the proton caused by the electric or magnetic field, respectively. When studied through the virtual Compton scattering process, the virtuality of...
The structure of hadrons relevant for deep-inelastic scattering are completely characterised by the Compton amplitude. It is possible to directly calculate the Compton amplitude by taking advantage of the familiar Feynman-Hellmann approach applied in the context of lattice QCD. In principle, the x-dependent structure functions can be recovered from the amplitude or the amplitude itself can be...
Nuclear multipole resonances have long been studied as a source of information on bulk nuclear properties. The nuclear dipole response has received much experimental and theoretical attention due to the proposed correlation between the pygmy dipole resonance (PDR) and the nuclear equation of state. Such a connection interprets the PDR in neutron-rich nuclei as the oscillation of the neutron...
Motivated by the expected improvement in the experimental determination of the $\mu$H Lamb shift measurement, I will present an updated fit of the unpolarised nucleon structure functions from available data in the nucleon resonance region in combination with Regge fits to the high-energy and deep inelastic region. The evaluation of the structure functions in the resonance region is building...
