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Katherine C

on 31 May 2013

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Transcript of Quarks

If you don't know what a quark is it don't matter you still got 'em. QUARKS Video Intro Are a type of matter What are Quarks? Pairs Types of Quarks Colour charge and gluons!!!!! Why can't they be separated? Hadrons What do they form? http://www.particleadventure.org/quarks.html References Protons and neutrons are made up of quarks 6 flavors of quarks Grouped into pairs Came from a nonsense word used by James Joyce in the novel Finnegan's Wake: "Three quarks for Muster Mark!" Each quark has a colour charge When quarks get close to each other, they exchange gulons and create a colour force field Further apart they are pulled, the stronger the field Baryons Mesons 3 quarks 1 quark, 1 anti-quark Ex. protons (uud)
neutrons (udd) Ex. kaon (K-) http://www.particleadventure.org/quarknaming.html http://www.particleadventure.org/hadrons.html http://www.particleadventure.org/color.html History of Quarks Top was discovered in 1995 20 years after its existence had been theorized. Up and Down are the lightest of the quarks Strange was discovered when the Kaon lasted longer than hypothesized Charm discovered simultaneously in 1947 at Stanford Linear Accelerator Center (SLAC) and at Brookhaven National Laboratory. www.youtube.com/watch?v=U0kXkWXSXRA
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