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Buffered high charge spectrally-peaked proton beams in the relativistic-transparency regime

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Buffered high charge spectrally-peaked proton beams in the relativistic-transparency regime. / Dover, N. P.; Palmer, C. A. J.; Streeter, M. J. V. et al.
In: New Journal of Physics, Vol. 18, 013038, 18.01.2016.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Dover, NP, Palmer, CAJ, Streeter, MJV, Ahmed, H, Albertazzi, B, Borghesi, M, Carroll, DC, Fuchs, J, Heathcote, R, Hilz, P, Kakolee, KF, Kar, S, Kodama, R, Kon, A, MacLellan, DA, McKenna, P, Nagel, SR, Neely, D, Notley, MM, Nakatsutsumi, M, Prasad, R, Scott, G, Tampo, M, Zepf, M, Schreiber, J & Najmudin, Z 2016, 'Buffered high charge spectrally-peaked proton beams in the relativistic-transparency regime', New Journal of Physics, vol. 18, 013038. https://doi.org/10.1088/1367-2630/18/1/013038

APA

Dover, N. P., Palmer, C. A. J., Streeter, M. J. V., Ahmed, H., Albertazzi, B., Borghesi, M., Carroll, D. C., Fuchs, J., Heathcote, R., Hilz, P., Kakolee, K. F., Kar, S., Kodama, R., Kon, A., MacLellan, D. A., McKenna, P., Nagel, S. R., Neely, D., Notley, M. M., ... Najmudin, Z. (2016). Buffered high charge spectrally-peaked proton beams in the relativistic-transparency regime. New Journal of Physics, 18, Article 013038. https://doi.org/10.1088/1367-2630/18/1/013038

Vancouver

Dover NP, Palmer CAJ, Streeter MJV, Ahmed H, Albertazzi B, Borghesi M et al. Buffered high charge spectrally-peaked proton beams in the relativistic-transparency regime. New Journal of Physics. 2016 Jan 18;18:013038. doi: 10.1088/1367-2630/18/1/013038

Author

Bibtex

@article{573d94b995614b81b0d0ee699deadd56,
title = "Buffered high charge spectrally-peaked proton beams in the relativistic-transparency regime",
abstract = "Spectrally-peaked proton beams of high charge (E-p approximate to 8 MeV, Delta E approximate to 4 MeV, N approximate to 50 nC) have been observed from the interaction of an intense laser (> 10(19) W cm(-2)) with ultrathin CH foils, as measured by spectrally-resolved full beam profiles. These beams are reproducibly generated for foil thicknesses 5-100 nm, and exhibit narrowing divergence with decreasing target thickness down to approximate to 8 degrees for 5 nm. Simulations demonstrate that the narrow energy spread feature is a result of buffered acceleration of protons. The radiation pressure at the front of the target results in asymmetric sheath fields which permeate throughout the target, causing preferential forward acceleration. Due to their higher charge-to-mass ratio, the protons outrun a carbon plasma driven in the relativistic transparency regime.",
keywords = "laser-plasma interaction, ion acceleration, laser ion source, proton acceleration, ION-ACCELERATION, PLASMA, SOLIDS",
author = "Dover, {N. P.} and Palmer, {C. A. J.} and Streeter, {M. J. V.} and H. Ahmed and B. Albertazzi and M. Borghesi and Carroll, {D. C.} and J. Fuchs and R. Heathcote and P. Hilz and Kakolee, {K. F.} and S. Kar and R. Kodama and A. Kon and MacLellan, {D. A.} and P. McKenna and Nagel, {S. R.} and D. Neely and Notley, {M. M.} and M. Nakatsutsumi and R. Prasad and G. Scott and M. Tampo and M. Zepf and J. Schreiber and Z. Najmudin",
year = "2016",
month = jan,
day = "18",
doi = "10.1088/1367-2630/18/1/013038",
language = "English",
volume = "18",
journal = "New Journal of Physics",
issn = "1367-2630",
publisher = "IOP Publishing Ltd",

}

RIS

TY - JOUR

T1 - Buffered high charge spectrally-peaked proton beams in the relativistic-transparency regime

AU - Dover, N. P.

AU - Palmer, C. A. J.

AU - Streeter, M. J. V.

AU - Ahmed, H.

AU - Albertazzi, B.

AU - Borghesi, M.

AU - Carroll, D. C.

AU - Fuchs, J.

AU - Heathcote, R.

AU - Hilz, P.

AU - Kakolee, K. F.

AU - Kar, S.

AU - Kodama, R.

AU - Kon, A.

AU - MacLellan, D. A.

AU - McKenna, P.

AU - Nagel, S. R.

AU - Neely, D.

AU - Notley, M. M.

AU - Nakatsutsumi, M.

AU - Prasad, R.

AU - Scott, G.

AU - Tampo, M.

AU - Zepf, M.

AU - Schreiber, J.

AU - Najmudin, Z.

PY - 2016/1/18

Y1 - 2016/1/18

N2 - Spectrally-peaked proton beams of high charge (E-p approximate to 8 MeV, Delta E approximate to 4 MeV, N approximate to 50 nC) have been observed from the interaction of an intense laser (> 10(19) W cm(-2)) with ultrathin CH foils, as measured by spectrally-resolved full beam profiles. These beams are reproducibly generated for foil thicknesses 5-100 nm, and exhibit narrowing divergence with decreasing target thickness down to approximate to 8 degrees for 5 nm. Simulations demonstrate that the narrow energy spread feature is a result of buffered acceleration of protons. The radiation pressure at the front of the target results in asymmetric sheath fields which permeate throughout the target, causing preferential forward acceleration. Due to their higher charge-to-mass ratio, the protons outrun a carbon plasma driven in the relativistic transparency regime.

AB - Spectrally-peaked proton beams of high charge (E-p approximate to 8 MeV, Delta E approximate to 4 MeV, N approximate to 50 nC) have been observed from the interaction of an intense laser (> 10(19) W cm(-2)) with ultrathin CH foils, as measured by spectrally-resolved full beam profiles. These beams are reproducibly generated for foil thicknesses 5-100 nm, and exhibit narrowing divergence with decreasing target thickness down to approximate to 8 degrees for 5 nm. Simulations demonstrate that the narrow energy spread feature is a result of buffered acceleration of protons. The radiation pressure at the front of the target results in asymmetric sheath fields which permeate throughout the target, causing preferential forward acceleration. Due to their higher charge-to-mass ratio, the protons outrun a carbon plasma driven in the relativistic transparency regime.

KW - laser-plasma interaction

KW - ion acceleration

KW - laser ion source

KW - proton acceleration

KW - ION-ACCELERATION

KW - PLASMA

KW - SOLIDS

U2 - 10.1088/1367-2630/18/1/013038

DO - 10.1088/1367-2630/18/1/013038

M3 - Journal article

VL - 18

JO - New Journal of Physics

JF - New Journal of Physics

SN - 1367-2630

M1 - 013038

ER -