Related by context. Frequent words. (Click for all words.) 62 particle beams 61 particle beam 59 protons 58 beams 58 Gamma rays 57 proton beams 57 atomic particles 56 superconducting magnet 56 laser pulses 56 X ray beams 55 antiprotons 55 electron beams 54 colliders 54 laser beams 53 subatomic particle 53 MeV 53 particle accelerators 53 ionize 53 GeV 53 shorter wavelengths 53 magnetic fields 52 lasers 52 proton collisions 52 proton beam 52 gamma rays 52 positrons 52 X ray beam 52 magnetic pulses 52 pulsed laser 52 laser pulse 52 particle detectors 51 interferometers 51 proton 51 Photons 51 electromagnets 51 interplanetary spacecraft 51 rubidium atoms 51 scramjet engine 50 Cosmic rays 50 collimator 50 electromagnet 50 muons 50 subatomic particles 50 electron volts 50 muon 50 magnetic flux 50 alpha particles 49 photons 49 microwave radiation 49 infrared laser 49 beam 49 neutrons 49 ultrasonic waves 49 servomotors 49 atomic nuclei 48 particle accelerator 48 particle collisions 48 optical wavelengths 48 laser beam 48 laser 48 nuclei 48 cosmic rays 48 particle detector 48 photon 48 gamma radiation 48 photonic crystal 48 excitons 48 New Horizons spacecraft 48 ionized gas 48 photometer 48 superconducting magnets 47 electrons 47 keV 47 ink droplets 47 ion propulsion 47 picosecond 47 antigravity 47 xenon 47 Gamma ray bursts 47 National Ignition Facility 47 Protons 47 supernova explosions 47 beamlines 47 terahertz radiation 47 joules 47 twin turbochargers 47 nanospheres 47 trillion electron volts 47 microwave frequencies 47 electron beam 47 NASA Stardust spacecraft 46 railgun 46 ionised 46 magnetars 46 maglev trains 46 CERN Large Hadron 46 spacecrafts 46 near infrared NIR 46 particles 46 ionisation 46 resonant frequency