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Personale Strutture


Professore Ordinario






Orari di ricevimento

  • Il Giovedi' dalle 16:00 alle 18:00
    presso Dipartimento di Fisica, via Marzolo 8, ufficio n. 306.
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Area di ricerca

My research interests focus on Theoretical Physics, and in particular on High Energy Particle Physics.

Particle Physics is the study of objects that cannot be hold in one place, either because they escape at the speed of light or because they don't last long enough.
Therefore the only possibility we have to study elementary particles is the investigation of their interaction through their collision and the analysis of its consequences.
The physical quantity that describes the interaction process is the scattering cross section, which depends on the quantum mechanical probability of the collision to take place. The probability density is described by the so called scattering amplitude, which encodes the transition effects between the initial-state and the final-state particles.

The improving of the experimental precision in Particle Physics naturally demands for more accurate calculations from the theoretical side. Perturbation theory is among the best way we dispose for describing the quantum behavior of particles; and higher accuracy within a perturbative expansions is reached by including terms which beyond the leading order are represented by loop diagrams.
Loop diagrams are as well a key of access the physics beyond the range of sensitivity of the current experiments, because of the room heavier particles have to circulate around the loop, as quantum corrections.

Our aim is the improvement of the theoretical description of radiative corrections in Quantum Field Theory by using the most advanced computational techniques of mathematical physics based on the exploitation of the iterative structure of scattering amplitudes which emerges from the use of complex momenta.
The recent boost in the progress of evaluating on-shell scattering amplitudes is due to the exploitation of qualitative information on their analytic properties, such as factorization and unitarity, which have been quantitatively turned into tools for computing them.