Scaling of ion spectral peaks in the hybrid RPA-TNSA region

Kakolee, K. F. and Borghesi, M. and Zepf, M. and Kar, S. and Doria, D. and Ramakrishna, B. and Quinn, K. and Sarri, G. and Osterholz, J. and Cerchez, M. and Willi, O. and Yuan, X. and McKenna, P. (2016) Scaling of ion spectral peaks in the hybrid RPA-TNSA region. Journal of the Korean Physical Society, 68 (6). pp. 768-771. ISSN 1976-8524 (

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The role of the radiation pressure of an intense laser beam in the formation of proton and carbon spectra from thin foils is discussed. The data presented suggests that, in competition with the Target Normal Sheath Acceleration mechanism, the onset of the Light Sail (LS) region of Radiation Pressure Acceleration can be obtained for suitably thin targets at currently available laser intensities,. The spectral features and their scaling with the laser and target parameters are consistent with the scenario of Light Sail (LS) acceleration.