Superthermal and efficient-heating modes in the interaction of a cone target with ultraintense laser light
Interactions between a relativistic-intensity laser pulse and a cone-wire target are studied by changing the focusing point of the pulse. The pulse, when focused on the sidewall of the cone, produced superthermal electrons with an energy >10 MeV, whereas less energetic electrons approximately 1 M...
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| Veröffentlicht in: | Physical review letters 2009-01, Vol.102 (4), p.045009-045009, Article 045009 |
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| container_end_page | 045009 |
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| container_issue | 4 |
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| container_title | Physical review letters |
| container_volume | 102 |
| creator | Nakamura, H Chrisman, B Tanimoto, T Borghesi, M Kondo, K Nakatsutsumi, M Norimatsu, T Tampo, M Tanaka, K A Yabuuchi, T Sentoku, Y Kodama, R |
| description | Interactions between a relativistic-intensity laser pulse and a cone-wire target are studied by changing the focusing point of the pulse. The pulse, when focused on the sidewall of the cone, produced superthermal electrons with an energy >10 MeV, whereas less energetic electrons approximately 1 MeV were produced by the pulse when focused on the cone tip. Efficient heating of the wire was indicated by significant neutron signals observed when the pulse was focused on the tip. Particle-in-cell simulation results show reduced heating of the wire due to energetic electrons produced by specularly reflected light at the sidewall. |
| doi_str_mv | 10.1103/PhysRevLett.102.045009 |
| format | Article |
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The pulse, when focused on the sidewall of the cone, produced superthermal electrons with an energy >10 MeV, whereas less energetic electrons approximately 1 MeV were produced by the pulse when focused on the cone tip. Efficient heating of the wire was indicated by significant neutron signals observed when the pulse was focused on the tip. Particle-in-cell simulation results show reduced heating of the wire due to energetic electrons produced by specularly reflected light at the sidewall.</abstract><cop>United States</cop><pmid>19257436</pmid><doi>10.1103/PhysRevLett.102.045009</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0031-9007 |
| ispartof | Physical review letters, 2009-01, Vol.102 (4), p.045009-045009, Article 045009 |
| issn | 0031-9007 1079-7114 |
| language | eng |
| recordid | cdi_osti_scitechconnect_21180166 |
| source | American Physical Society Journals |
| subjects | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS CONES FOCUSING HEATING LASERS MEV RANGE 01-10 NEUTRONS PULSES RELATIVISTIC RANGE SIMULATION TAIL ELECTRONS WIRES |
| title | Superthermal and efficient-heating modes in the interaction of a cone target with ultraintense laser light |
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