Irradiation facility for radiobiology and molecular biophysics studies at the University of São Paulo Pelletron Accelerator laboratory - Carlin Filho, Nelson; Souza, J. C. de; Szanto, Eloisa Madeira; Acquadro Quacchia, Juan Carlos; Okuno, Emico; Takahashi, Jun; Umisedo, Nancy Kuniko; Oliveira Filho, F. J. D.; Vasconcelos, J. A. C. (Nuclear Instruments & Methods in Physics Research A, 2005)