Laser-plasma acceleration of electrons for radiobiology and radiation sources

Year: 2015

Authors: Gizzi LA., Labate L., Baffigi F., Brandi F., Bussolino GC., Fulgentini L., Koester P., Palla D., Rossi F.

Autors Affiliation: Intense Laser Irradiation Laboratory, INO-CNR, Via Moruzzi, 1, 56124 Pisa, Italy
INFN, Sez. Pisa, Largo B. Pontecorvo, 3, 56127 Pisa, Italy
Istituto Italiano di Tecnologia, Nanophysics Department, via Morego 30, 16163 Genova, Italy
Universitá di Bologna e Sez. INFN, Bologna, Italy
Dipartimento di Fisica, Università di Pisa, Italy

Abstract: Laser-driven acceleration in mm-sized plasmas using multi-TW laser systems is now established for the generation of high energy electron bunches. Depending on the acceleration regime, electrons can be used directly for radiobiology applications or for secondary radiation sources. Scattering of these electrons with intense laser pulses is also being considered for the generation of X-rays or gamma-rays and for the investigation of fundamental electrodynamic processes. We report on laser-plasma acceleration in the 10 TW regime in two different experimental configurations aimed at generating either high charge bunches with properties suitable for radiobiology studies or high collimation bunches for secondary radiation sources with high quality and good shot-to-shot stability. We discuss the basic mechanisms and describe the latest experimental results on injection threshold and bunch properties. (C) 2015 Elsevier B.V. All rights reserved.


Volume: 355      Pages from: 241  to: 245

More Information: We acknowledge financial support from the CNR funded Italian research Network ELI-Italy (Attoseconds) and from the Italian Ministry of Health through the project GR-2009-1608935 (d.i. Agenas). We also acknowledge contribution from the MIUR-FIRB project SPARX (Sorgente Pulsata Auto-Amplificata di Radiazione X) and from the INFN funded (CN5) project gamma-ray Emitter from Self-Injected Thomson Scattering (gamma-RESIST). The work at ILIL was carried out in the framework of the CNR High Field Photonics Unit (MD.P03.034). We acknowledge the CINECA Grant N. HP10CZX6QK2012 for the availability of high performance computing resources and the INFN APE project for the availability of the QUonG cluster.
KeyWords: Ultra-intense laser; Laser-plasma acceleration; Radiobiology
DOI: 10.1016/j.nimb.2015.03.050

Citations: 7
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