Otterbein Physics Blog

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First collisions at 13 TeV as the Large Hadron Colllider restarts

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On May 21, 2015 proton beams were collided together in the Large Hadron Collider at the record energy of 13 TeV, as the LHC restarts after extensive upgrades over the past two years.  This is the total energy in the center-of-mass frame, so each beam contains protons of energy 6.5 TeV.  That’s about 6,500 times the rest energy of a proton (roughly 1 GeV), hence the relativistic gamma factor for these protons is about 6,500.

Read the CERN article on this important milestone here.

Written by David Robertson

May 29th, 2015 at 12:14 pm

Posted in Uncategorized

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