The Search for Quark :: essays research papers

What exactly is Quark? Quark a fermion which is believed to be star of the fundamental constituents of matter. All quarks have a fractional electric charge1. This charming much means quarks have spin (rotate two full rotations to stick by to place it started), apply to Pauli Exclusion Principle, is one of the things that make up in all matter, and its electric charge is a fraction. There are three diametric colors of quark red, green, and blue. The colors always up to white. Also at that place are three different diversitys of antiquark cyan, yellow, and magenta. Quarks are at least 330MeV. Quarks were prime(prenominal) proposed in 1964. It was named quark by Caltech theorist Murray Gell-Mann. He named them that from a credit entry in a novel Three quarks for Muster Mark, Sure he hasnt got much of a bark 2 Gell-Mann said all mesons, baryons, and hadrons are do of quarks. He also said they are made of three types of quarks (up, down, and strange). That makes a total of ni ne types of quarks. George Zweig callight-emitting diode them aces. Not many battalion believed in it at this time. From 1968 to 1973 MIT bombarded protons and neutrons with electrons. Electrons ricocheted off protons and neutrons as if it hit a hard, piffling object. The hard object was a quark. Over the years experiments and researches have led to a lot of confirmatory evidence that quarks exist. Despite all this indirect evidence they could not find a single free quark. No particle detector detected one. This led to a lot of non believers. As more proof has been shown that quarks exist it became more popular and less doubted.Chapter 1 Over coming SkepticismDoubters did not believe in quarks. They judgment of quarks just as a math equation that could explain a couple of things. They had good reason. The quark was never found free or even revealed itself. That was until 1974 when two discoveries occurred at the Brookhaven Laboratory and Stanford. They had found a bracing parti cle. Stanford called it the psi and Brookhaven called it the J. The new particle had to be a new kind of quark. Two years later Harvard theorist Sheldon Glashow named the new particle the fascinate quark. This discovery shattered any doubts about the quark being legitimate or not. The discovery also shattered the bootstrap model surmisal. This theory said that protons, neutrons, and other particles were the smallest units.