Monday 11 April 2011

10th April 2011 Quarks

Quarks have different flavours.

TypeGenerationEnergyMass
up
down
firstlow - up quark: 2 million
electron volts
lightest
strange
charm
secondhigherhigher
bottom
top
thirdhighest - top quark: 170 billion
electron volts
heaviest

The bottom and top quarks were only found in 1995.

http://www.sixtysymbols.com/videos/quarks.htm

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