Dense electron-positron plasmas and ultraintense γ rays from laser-irradiated solids.
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...
| প্রধান লেখক: | , , , , , , , |
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| বিন্যাস: | Journal article |
| ভাষা: | English |
| প্রকাশিত: |
2012
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| _version_ | 1826289314711994368 |
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| author | Ridgers, C Brady, C Duclous, R Kirk, J Bennett, K Arber, T Robinson, A Bell, A |
| author_facet | Ridgers, C Brady, C Duclous, R Kirk, J Bennett, K Arber, T Robinson, A Bell, A |
| author_sort | Ridgers, C |
| collection | OXFORD |
| description | 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 available in the laboratory. This absorption results in a strong feedback between both pair and γ-ray production and classical plasma physics in the new "QED-plasma" regime. |
| first_indexed | 2024-03-07T02:27:00Z |
| format | Journal article |
| id | oxford-uuid:a5f27c28-f8cb-4a03-9af7-d5a26ff6fc52 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T02:27:00Z |
| publishDate | 2012 |
| record_format | dspace |
| spelling | oxford-uuid:a5f27c28-f8cb-4a03-9af7-d5a26ff6fc522022-03-27T02:43:54ZDense electron-positron plasmas and ultraintense γ rays from laser-irradiated solids.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:a5f27c28-f8cb-4a03-9af7-d5a26ff6fc52EnglishSymplectic Elements at Oxford2012Ridgers, CBrady, CDuclous, RKirk, JBennett, KArber, TRobinson, ABell, AIn 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 available in the laboratory. This absorption results in a strong feedback between both pair and γ-ray production and classical plasma physics in the new "QED-plasma" regime. |
| spellingShingle | Ridgers, C Brady, C Duclous, R Kirk, J Bennett, K Arber, T Robinson, A Bell, A Dense electron-positron plasmas and ultraintense γ rays from laser-irradiated solids. |
| title | Dense electron-positron plasmas and ultraintense γ rays from laser-irradiated solids. |
| title_full | Dense electron-positron plasmas and ultraintense γ rays from laser-irradiated solids. |
| title_fullStr | Dense electron-positron plasmas and ultraintense γ rays from laser-irradiated solids. |
| title_full_unstemmed | Dense electron-positron plasmas and ultraintense γ rays from laser-irradiated solids. |
| title_short | Dense electron-positron plasmas and ultraintense γ rays from laser-irradiated solids. |
| title_sort | dense electron positron plasmas and ultraintense γ rays from laser irradiated solids |
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