what would happen if two particles in a hadron collider escaped from the electromagnets of the collider ?

Question: what would happen if two particles in a hadron collider escaped from the electromagnets of the collider ?
- Keywords:
  electromagnet,
  lhc,
  subatomic
Asked by to Naomi on 16 Jun 2014. This question was also asked by .
- Naomi Osborne answered on 16 Jun 2014:
  
  I’m not totally sure, but I think they’d just hit the inside of the collider and bounce around uncontrollably for a while! Perhaps the physicists of the zone will be able to give a better answer 🙂

Question: what would happen if two particles in a hadron collider escaped from the electromagnets of the collider ?