France 's national institute for nuclear and particle physics research collaborated with italy 's gran sasso national laboratory on the experiment at cern .
法国国家核和粒子物理研究组织与意大利gransasso国家实验室在cern在此实验上合作。
The team prepares a beam of just one type , muon neutrinos , sending them from cern to an underground laboratory at gran sasso in italy to see how many show up as a different type , tau neutrinos .