Skip to main content
European Commission logo print header
Contenido archivado el 2022-12-23

Development of experimental techniques for warm dense matter research at FAIR (HEDgeHOB Collaboration)

Objetivo

Knowledge of basic physical properties of matter under extreme conditions of high energy density (HED), and in particular, of the so-called warm dense matter (WDM), such as the equation-of-state (EOS), static and dynamic electrical conductivity and opacity are of fundamental importance for various branches of basic and applied physics. Astrophysics and spacecraft technology, physics of dense strongly coupled plasmas and nuclear energy industry are only the most visible examples in this sense. Significant effort is being made currently to model these characteristics theoretically or to simulate them numerically. Nevertheless, much remains to be done in this direction, since usual perturbative approaches, like the kinetic theory, fail due to the lack of the perturbative parameters. On the other hand, experimental studies of HED states of matter have been traditionally carried out using the most powerful shock wave generators like underground nuclear explosions or powerful lasers. The shock-wave experiments deliver valuable but only limited information in the vicinity of shock adiabats. Intense heavy beams provide a new and unique capability for the HED physics research. Using intense ion beams, one can heat macroscopic volumes of matter fairly uniformly and generate this way high-density and high-entropy HED states. This new approach permits to explore fascinating areas of the HED phase diagram that could not be accessed by other means. The aim of this proposal is to develop novel experimental methods and an adequate theoretical background for the investigation of the HED matter properties using intense heavy ion beams. The proposed research work includes (i) development of diagnostics for optical and transport properties of HED targets, (ii) development of non-intercepting diagnostics for intense focused heavy ion beams, (iii) design of proton/ion radiography system for future experiments at FAIR, and (iv) theoretical and mathematical models providing support for the design of the experiments and insight in their results. These techniques and methods will be verified and benchmarked by performing commissioning experiments with intense heavy ion beams at the existing SIS-18 facility. After the precision of the developed diagnostic techniques is established, different materials and interesting regions of their phase diagrams, such as metal-insulator phase transition, two-phase liquid-gas, the critical point and strongly coupled plasma regions will be explored experimentally. As a result of this work, new experimental and theoretical methods and approaches essential for the realization of future HED physics experiments at the FAIR will be made available.

Tema(s)

Data not available

Convocatoria de propuestas

Data not available

Régimen de financiación

Data not available

Coordinador

GESELLSCHAFT FÜR SCHWERIONENFORSCHUNG (GSI)
Aportación de la UE
Sin datos
Dirección
PLANCKSTRASSE, 1
DARMSTADT
Alemania

Ver en el mapa

Coste total
Sin datos

Participantes (5)