Related by context. Frequent words. (Click for all words.) 53 proton beams 52 particle collisions 51 antiprotons 51 protons 50 atomic particles 49 particle beams 49 atomic nuclei 48 particle beam 48 subatomic particles 47 trillion electron volts 47 GeV 47 subatomic particle 46 proton beam 46 particle accelerator 46 positrons 45 particle accelerators 45 proton 45 alpha particles 44 nuclei 44 Photons 44 excitons 43 hydrogen 43 electron beams 43 positron 43 Large Hadron Collider LHC 43 laser pulse 43 TeV 43 quanta 43 laser pulses 43 electron volts 43 neutrons 42 ionize 42 Protons 42 atomic nucleus 42 muon 42 CERN Large Hadron 42 hydrogen atom 42 atoms 42 ions 42 picosecond 42 shorter wavelengths 42 exciton 41 superconducting magnets 41 antimatter 41 laser beams 41 hafnium 41 molecular motors 41 nanocrystal 41 hydrogen atoms 41 Synchrotron 40 photons 40 picoseconds 40 muons 40 MeV 40 electron laser 40 convert sunlight 40 terahertz radiation 40 Large Hadron Collider 40 nuclear fission 40 subatomic 40 laser beam 40 plasmons 40 converts sunlight 40 titanium oxide 40 nanometer sized 40 collider 40 atom 40 X ray beam 40 extracting stem cells 40 ionised 40 iron oxide nanoparticles 40 radioactive decay 39 atom smasher 39 powerful particle accelerator 39 magnetic flux 39 impactor 39 synchrotron radiation 39 RHIC 39 fermions 39 nano scale 39 ultrasonic waves 39 WIMPs 39 particle collider 39 kinetic energy 38 microscale 38 hydrogen ions 38 largest atom smasher 38 CO2 emitted 38 dye molecules 38 particles 38 millionths 38 involves injecting 38 European Synchrotron Radiation 38 nanoscopic 38 fullerene 38 femtoseconds 38 electron beam 38 biomolecule 38 phonons 38 photon 38 oxygen atom