A systematic study of the polarization of x-gamma rays produced in Thomson and Compton scattering is presented, in both classical and quantum schemes. Numerical results and analytical considerations let us to establish the polarization level as a function of acceptance, bandwidth and energy. Few sources have been considered: the SPARC-LAB Thomson device, as an example of a x-ray Thomson source, ELI-NP, operating in the gamma range. Then, the typical parameters of a beam produced by a plasma accelerator has been analyzed. In the first case, with bandwidths up to 10%, a contained reduction (<10%) in the average polarization occurs. In the last case, for the nominal ELI-NP relative bandwidth of 5×10-3, the polarization is always close to 1. For applications requiring larger bandwidth, however, a degradation of the polarization up to 30% must be taken into account. In addition, an all optical gamma source based on a plasma accelerated electron beam cannot guarantee narrow bandwidth and high polarization operational conditions required in nuclear photonics experiments.
Polarization of x-gamma radiation produced by a Thomson and Compton inverse scattering / V. Petrillo, A. Bacci, C. Curatolo, I. Drebot, A. Giribono, C. Maroli, A.R. Rossi, L. Serafini, P. Tomassini, C. Vaccarezza, A. Variola. - In: PHYSICAL REVIEW SPECIAL TOPICS. ACCELERATORS AND BEAMS. - ISSN 1098-4402. - 18:11(2015), pp. 110701.1-110701.9.
|Titolo:||Polarization of x-gamma radiation produced by a Thomson and Compton inverse scattering|
PETRILLO, VITTORIA MATILDE PIA (Primo)
|Parole Chiave:||Physics and Astronomy (miscellaneous); Surfaces and Interfaces; Nuclear and High Energy Physics|
|Settore Scientifico Disciplinare:||Settore FIS/03 - Fisica della Materia|
Settore FIS/07 - Fisica Applicata(Beni Culturali, Ambientali, Biol.e Medicin)
|Data di pubblicazione:||2015|
|Digital Object Identifier (DOI):||http://dx.doi.org/10.1103/PhysRevSTAB.18.110701|
|Appare nelle tipologie:||01 - Articolo su periodico|