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Effect of target composition on proton energy spectra in ultraintense laser-solid interactions.

Abstract:
We study how the proton density in a target irradiated by an ultraintense laser affects the proton spectrum, with analytical models and Vlasov simulations. A low relative proton density gives rise to peaks in the energy spectrum. Furthermore, a target with the protons confined to a thin, low density layer produces a quasimonoenergetic spectrum. This is a simple technique for producing proton beams with a narrow energy spread for proton radiography of laser-plasma interactions.
Publication status:
Published

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Authors


Robinson, AP More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Kingham, RJ More by this author
Journal:
Physical review letters
Volume:
96
Issue:
3
Pages:
035005
Publication date:
2006-01-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:6ee1791c-4d10-4e2c-9c7b-9d36ea37b48d
Source identifiers:
19370
Local pid:
pubs:19370
Language:
English

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