Want to know the classification of elementary particles??? How many particles make up this universe… Come to the world of Particle Physics!!!
Elementary particles are divided into two categories: Fermions [half integral spin particles] and Bosons [integral spin particles]
Fermions are divided into quarks and Leptons… There are 6leptons and 6 quarks. Each quark and each lepton have their antiparticles. So the class of Fermions has 12 particles and 12 antiparticles… a total of 24 particles!!!
Bosons are total 13 in number. They are photon [spin1], W {+ -}, particle [spin1], Z particle [spin1], gluons [spin1:8 in number] and gravitons [spin2]!! Bosons don’t have antiparticles.
So the whole universe is made up of 37 elementary particles… Interesting!!!!!!!!!!
1 comment:
Its really amazing that whole universe is made up only 37 elementary particles....It all started from the single particle "atom" as postulated by John Dalton....this theory of single particle was then proved wrong by the discovery of electron, proton and neutron.....these were considered as the elementary particles for many many years.....Later on it was found that protons and neutrons are made up of quarks and elctrons also have "heavier friends"......Its really very interesting and more interesting is that you know all this stuff at such an early age...You have very bright future....Wish you all the best for your future studies !!
--Ashutosh Kr. Alok
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