THE FIRST OBJECTIVE OF THE PROPOSED RESEARCH IS TO OPTIMIZE THE HIGH-ENERGY ELECTRON ACCELERATION (> 100 MEV), IN TERMS OF ENERGY AND TOTAL CHARGE, FROM THE INTERACTION OF A RELATIVISTIC INTENSITY LASER PULSE WITH A GAS-JET (UNDERDENSE PLASMA) TARGET IN THE DIRECT LASER ACCELERATION (DLA) REGIME. ASSOCIATED WITH THIS IS OBSERVING AND UNDERSTANDING CHANNEL FORMATION THROUGH THE UNDERDENSE PLASMA, SINCE THE CHANNEL FORMATION IS KEY TO HOW DLA COUPLES ENERGY INTO THE ELECTRONS. THE SECOND OBJECTIVE IS TO INVESTIGATE SECONDARY RADIATION, NAMELY THE BEAMED SYNCHROTRON X-RAYS GENERATED BY THE HIGH-ENERGY LASER-ACCELERATED ELECTRONS OSCILLATING IN THE PLASMA FIELDS AND THE TRANSVERSELY EXPELLED IONS.

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