Thursday 15 September 2011

Particles,the difference

Particles
This is a list of different types of particles found and it’s believed to exist in the whole of the universe
1.Elementary particles
Elementary particles are particles with no any measurable internal structure,that is,they are not composed of any other particles.It is classified according to their spin .
Example elementary particles:
a. Fermions
b. Quarks
c. Leptons
d. Bosons
2.Composite particles / subatomic particles
It is composed of two or more elementary particles.Example,protons and neutrons in nucleus that made up an atom.
a. Hadron
b. Baryons
c. Mesons
d. Atomic nuclei
e. Atoms
f. Molecule
3. A hypothetical particles
Scientists predict the existence of more particles.None of which have been confirmed experimentally as 2011
a. Dilatino
b. Axino
c. Saxion
d. Axion
e. Graviton
f. Branon
g. Dilaton
h. Majoron dsb

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