Previously, LHC has discovered key particles such as Higgs Boson(2012), Exotic hadrons (Particles composed of four or five quarks), Rare B- meson decay, etc. 

About the New Particle Xi-cc-plus

•  It is made up of two charm quarks and one down quark,similar to proton (made up of two up quarks and one down quark).

o Quarks are fundamental building blocks of matter and come in six flavours: up, down, charm, strange, top and bottom.

▪ Quarks are always found in combination and never occur in a free state.

• The replacement of charm quarks with up quarks makes its mass four times heavier than proton.

About Large Hadron Collider (LHC)

• LHC is the world’s largest and most powerful particle accelerator which operates in a tunnel 100 metersunderground at CERN, the European Organization for Nuclear Research.
• Structure: It consists of a 27-kilometre ring of superconducting magnets with a number of accelerating structures to boost the energy of the particles along the way.
• Functioning: Inside the accelerator, two high-energy particle beams of protons or ions travel at close to the speed of lightbefore they are made to collide.

o These collisions produce particles and fields necessary for fundamental understanding of nature such as mass, unification of forces, dark energy and dark matter,etc.