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Descripción
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| We report on experimental studies of ion acceleration from spherical targets of diameter 15 microm irradiated by ultraintense (1x10(20) W/cm2) pulses from a 20-TW Ti:sapphire laser system. A highly directed proton beam with plateau-shaped spectrum extending to energies up to 8 MeV is observed in the laser propagation direction. This beam arises from acceleration in a converging shock launched by the laser, which is confirmed by 3-dimensional particle-in-cell simulations. The temporal evolution of the shock-front curvature shows excellent agreement with a two-dimensional radiation pressure model | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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PHYSICAL REVIEW LETTERS |
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ISSN
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0031-9007 |
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Factor de impacto JCR
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7,18 |
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Información de impacto
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Volumen
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102 |
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DOI
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10.1103/PhysRevLett.102.095002 |
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Número de revista
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9 |
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Desde la página
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095002 |
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Hasta la página
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095002 |
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Mes
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MARZO |
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Ranking
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