Based on their spin all particle maybe divided into two groups: 15_and16_ All le

Question

Based on their spin all particle maybe divided into two groups: 15_and16_ All leptons are 17 with their wave-functions 18_under the particle interchange operation, while_19wave functions are _20_under the same operation. As result the_21obey Pauli Exclusion Principle. Initially based on their masses all particles could be grouped in the three major groups: lightweight_22, medium weight_23_, and heavy_24__ In this group only_25_are the only truly elementary particles. All26are made of_27_quarks while all _28_are made of single_29and single_30

Explanation / Answer

Based on their spin all particle may be divided into two groups:

(1) Those particles with half-integer spins, such as 1/2, 3/2, 5/2, are known as fermions, and they obey fermi dirac statistics also obey pauli exculsion principle.

and

(2) those particles with integer spins, such as 0, 1, 2, are known as bosons and they obey Bose Einstien Statistics.

All leptons are fermions with their wave function antisymmetric under the particle interchange operation, while Bosonic wavefunctions are symmetric   under the same operation. As the result the Fermions obey pauli exculsion principle.

Initially based on their masses all particles could begrouped in the three major groups: lightweigths Leptons (0 to 135 Mev), medium weight Mesons (135 to 938.3 MeV), and heavy weight Baryons ( mass > 938.3 meV).

In this group only Fermions are the only truly elementary particles.

All Baryons are made of three (3) quarks while all  Mesons are made of single quark and single antiquark.

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