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Dense electron-positron plasmas and ultraintense γ rays from laser-irradiated solids.

Abstract:

In simulations of a 10 PW laser striking a solid, we demonstrate the possibility of producing a pure electron-positron plasma by the same processes as those thought to operate in high-energy astrophysical environments. A maximum positron density of 10(26) m(-3) can be achieved, 7 orders of magnitude greater than achieved in previous experiments. Additionally, 35% of the laser energy is converted to a burst of γ rays of intensity 10(22) W cm(-2), potentially the most intense γ-ray source avail...

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Publication status:
Published

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Journal:
Physical review letters
Volume:
108
Issue:
16
Pages:
165006
Publication date:
2012-04-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:a5f27c28-f8cb-4a03-9af7-d5a26ff6fc52
Source identifiers:
326012
Local pid:
pubs:326012
Language:
English

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