The quote is from another college that is also conducting the same experiment, and it doesn't say anything else (it is written in Spanish, as I'm from there, so I didn't find it useful to add the source).
However, I've found and article about this in arXiv (a report of the ATLAS detector)...
Hi guys,
I'm studying my first-year physics in college, and I'm having to write a report of some proton-proton collisions that were registered in the LHC of CERN years ago. The main goal is to identify different bosons (W and Z) that are decaying into other elemental particles. I've been asked...