antiprotons electronvolt PETRA ZEB photon Tevatron linac GeV LUMO 241Am EROEI MeV positrons starbolts Ultracompact SdT STATCOM milliamp synchrotron 192Ir Nyko Spallation photons dxz geothermal Angolmois lithotrophs intersubband infra dissipates blasts shaktis poivre imes10 Yashichi