Protons and neutrons, which together with electrons form atoms, are made up of even smaller particles called quarks. Protons and neutrons contain three quarks each. Scientists at the LHCb experiment at the Large Hadron Collider just discovered two particles made up of not three, not four, but five quarks-the first observed pentaquarks. Scientists have been searching for this class of particles for about 50 years. “The pentaquark is not just any new particle,” says LHCb spokesperson Guy Wilkinson of University of Oxford. “Studying its properties may allow us to understand better how ordinary matter, the protons and neutrons from which we’re all made, is constituted.” Quarks were first theorized in 1964 by physicists Murray Gell-Mann and George Zweig. The two independently proposed that several of the particles thought to be fundamental-unable to be broken down into smaller parts-were actually made up of smaller particles called quarks. Quarks were eventually found to come in six types, called up, down, charm, strange, top and bottom. Gell-Mann predicted that some known particles, such as the pion, were made up of two quarks, and others, such as the proton and neutron, were made up of three quarks. But he also postulated that particles made up of four or five quarks could exist. I feel like it's intended to make playing at higher levels a lot more balanced. But enabling all the options for a new play through the 1st time around is VERY hard. I can't stress enough how great this mod is to have.

Last year, researchers on the LHCb experiment at CERN confirmed the existence of a particle containing four quarks. Looking for the YSA mod I m looking for the YSA mod, I cant find it anywhere. But until recently, five-quark particles remained elusive. “Ever since Gell-Mann published his theory, researchers have actively looked for these pentaquarks, but all the previous searches turned out to be false,” says Syracuse University physicist Sheldon Stone.

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