A new energy spectrum reconstruction method for time-of-flight diagnostics of high-energy laser-driven protons

Milluzzo, G. and Scuderi, V. and Alejo, A. and Amico, A. G. and Booth, N. and Borghesi, M. and Cirrone, G. A. P. and Cuttone, G. and Doria, D. and Green, J. and Kar, S. and Korn, G. and Larosa, G. and Leanza, R. and Margarone, D. and Martin, P. and McKenna, P. and Petringa, G. and Pipek, J. and Romagnani, L. and Romano, F. and Russo, A. and Schillaci, F. (2019) A new energy spectrum reconstruction method for time-of-flight diagnostics of high-energy laser-driven protons. Review of Scientific Instruments, 90 (8). 083303. ISSN 1089-7623 (https://doi.org/10.1063/1.5082746)

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The Time-of-Flight (TOF) technique coupled with semiconductorlike detectors, as silicon carbide and diamond, is one of the most promising diagnostic methods for high-energy, high repetition rate, laser-accelerated ions allowing a full on-line beam spectral characterization. A new analysis method for reconstructing the energy spectrum of high-energy laser-driven ion beams from TOF signals is hereby presented and discussed. The proposed method takes into account the detector's working principle, through the accurate calculation of the energy loss in the detector active layer, using Monte Carlo simulations. The analysis method was validated against well-established diagnostics, such as the Thomson parabola spectrometer, during an experimental campaign carried out at the Rutherford Appleton Laboratory (UK) with the high-energy laser-driven protons accelerated by the VULCAN Petawatt laser.


Milluzzo, G., Scuderi, V., Alejo, A., Amico, A. G., Booth, N., Borghesi, M., Cirrone, G. A. P., Cuttone, G., Doria, D., Green, J., Kar, S., Korn, G., Larosa, G., Leanza, R., Margarone, D., Martin, P., McKenna, P. ORCID logoORCID: https://orcid.org/0000-0001-8061-7091, Petringa, G., Pipek, J., Romagnani, L., Romano, F., Russo, A. and Schillaci, F.;