Do the photons between grazing lead nuclei collide? http://news.fnal.gov/2016/07/shining-light-lead-lhc/, by Bo Jayatilaka.
CMS observes the creation of W boson from the collision of photos in the proton’s magnetic field. Audio note: this episode contains some mysterious drop-outs of audio frames. We are investigating the cause of this–it should be solved by the next episode. http://news.fnal.gov/2016/06/exclusive-production-shedding-light-grazing-protons/, by Bo Jayatilaka.