12/24/2011

LHC Discovers Its First New Particle

Scientists at the Large Hadron Collider report the discovery of its first new particle since its launch in 2009.


The particle called Chi_b (3P) has implications in understanding the forces that hold matter together. It is "a more excited state of Chi particles already seen in previous collision experiments" (the BBC reports).


Prof Roger Jones of Atlas detector at the LHC told  BBC News that the "new particle is made up of a 'beauty quark' and a 'beauty antiquark', which are then bound together.


"It's also interesting for what it tells us about the forces that hold the quark and the anti-quark together - the strong nuclear force. And that's the same force that holds, for instance, the atomic nucleus together with its protons and the neutrons."



"The better we understand the strong force, the more we understand a large part of the data that we see, which is quite often the background to the more exciting things we are looking for, like the Higgs.
"So, it's helping put together that basic understanding that we have and need to do the new physics."




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