lomaj taking flightat www.researchgate.net The SPARC linear accelerator based terahertz source - ResearchGate 4 Mar 2013 . New beam line for time-of-flight medium energy ion scattering with large area . C. Ronsivalle,4 A. Di Gaspare,5 M. Ortolani,5 A. Perucchi,6 P. Calvani,7 O. Limaj,7 . tral range in which coherent emission takes place can be.