a 900 GeV p-p collision event seen by the TOB in Run 122314, Evt 8605569 Only TOB was turned ON today after LHC Opearation declared stable beams for a while. Below is a 900 GeV p-p collision event seen by the TOB in Run 122314, Evt 8605569. Tags / keywords tracker first beam first collision event LHC Log in or register to post comments