The world's largest particle accelerator will again be up and running in March 2015.

The Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN) is nearly 17 miles in diameter. The entire subterranean instrument has already been cooled to its operating temperature, just a few degrees Fahrenheit above absolute zero.

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CERN revealed the LHC will operate at almost double the energy it did on its first run, beaming protons at an energy never achieved by any accelerator before. LHC is currently gearing-up for its second three-year run.

Operations of atom smasher located near Geneva, Switzerland were halted for two years so scientists could prepare it for the accelerated energy level experiments. CERN has assured the LHC will run like "a new machine".

The collider will conduct experiments at higher energies than was possible prior to recent upgrades. One of its goals is to discover the elusive Higgs boson, which physicists theorize gives mass to matter.

Physicists said that measuring the energy of the boson, if it's ever found, will provide evidence as to which of two great theoretical models of the origin of the universe is correct.

Researchers at CERN detected a particle resembling the Higgs, but the energy detected didn't match either theory. To clarify their findings, researchers needed to shut down the collider to upgrade the system. This is a prelude to creating and recording more powerful collisions between particles.

"After the huge amount of work done over the last two years, the LHC is almost like a new machine. Restarting this extraordinary accelerator is far from routine. Nevertheless, I'm confident that we will be on schedule to provide collisions to the LHC experiments by May 2015," said Frederick Bordry, CERN's Director for Accelerators and Technology.

CERN director general Rolf Heuer added the new energy level will help in opening new horizons for future discoveries in physics.

TagsCERN, world’s biggest particle accelerator, particle accelerator, Large Hadron Collider, atom smasher, physics, particles