 Running a current through this wire creates a solenoidal magnetic field which tends to contain the electrons liberated from the beam pipe walls.The Large Hadron Collider is very prone to multipacting due to the tight spacing (25 ns) of its proton bunches.During Run 1 (2010–2013) science operation mainly used beams with 50 ns spacing, while 25 ns beams were only employed for short tests in 2011 and 2012.