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Content archived on 2022-12-23

Fast Ions in Laser-Plasma Interaction in the Relativistic Regime of Ultra-Short Ultra-Intense Pulses

Objective

This project aims at investigating some of the most important aspects of the ion dynamics in the interaction of plasma with a laser pulse in the relativistic regime of ultra-short ultra-intense pulses.
Ion acceleration in ultra intense laser plasma interactions is a fast developing field where a number of fundamental problems are as yet open or at least not fully explored or understood. In addition this is an extremely promising field in terms of applications such as: intense (spatially and temporally) localized sources of multi MeV protons, small-scale fusion reactions, ion fast ignitron, medical applications, proton imaging.
Ion acceleration is an interesting field from the point of view of basic physics problems such as identify and optimise the different ion acceleration mechanisms, identify properties to be optimised, maximum energy, collimation, quality of the beam, time resolution, number of particles, depending on the specific applications, find proper regimes and set-ups for selective acceleration of multi-charged ions.

In particular it is planned to:
Develop the physical models and the computer codes for the simulation of fast ignition by laser-produced ion beams, laser-initiated nuclear reactions, conventional accelerator injectors, and applications to medical physics.
Investigate theoretically the generation of fast ion beams via the processes of electron acceleration in the interaction of short laser pulses with solid targets.
# Study the properties of fast ion beams accelerated during the laser interaction with deformed multilayer foils to obtain high-quality collimated ion jets; optimise the proton generation efficiency for hadron therapy in oncology.
Investigate the generation of high-energy ions for laser pulse initiation of nuclear reactions
# Study experimentally and theoretically the basic mechanisms for the generation of quasistatic magnetic fields, of the associated relativistic electron vortices, and of solitary waves in laser plasmas and their influence on the ion acceleration.
Develop diagnostic techniques for determining the spectral characteristics of laser plasma
# Investigate experimentally and numerically the interaction of ion beams with plasmas for the proton imaging of microscopic structures
# Perform model experiments on the breaking of a strong electrostatic wave accompanied by the acceleration of a substantial part of electrons and study the ion dynamics to estimate the energy distribution of accelerated ions as a function of the wave power, the intensity and average energy of the generated electron tail Investigate theoretically and experimentally the properties of capillary discharge for finding optimal conditions of the laser pulse guiding inside the capillaries.

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Programme(s)

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Topic(s)

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Call for proposal

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Funding Scheme

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Coordinator

Universita degli Studi di Pisa
EU contribution
No data
Address
via Buonarroti 2
56100 Pisa
Italy

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Total cost

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Participants (17)

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