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Particles of mass greater than nucleons are called

Particles of mass greater than nucleons are called Correct Answer Hyperon

CONCEPT:

Hyperon:

  • Heavy, unstable elementary particles with a mass greater than that of a nucleon.

Nucleon:

  • Nucleon, either of the subatomic particles, the proton and the neutron, constituting atomic nuclei.
  • The mass of a neutron particle is nearly equal to 939.56 MeV, which is slightly greater than the mass of a proton.

Graviton:

  • Graviton is the hypothetical quantum of gravity, an elementary particle that mediates the force of gravity. 
  • The graviton is expected to be massless because the gravitational force is very long-range and appears to propagate at the speed of light. 

Lepton:

  • These are the subatomic particles that respond only to the weak force. They are not affected by the strong force.
  • These are the small mass range particle (0 - 135 Mev).

Meson:

  • These are the member of a family of subatomic particles composed of a quark and an antiquark.
  • Mesons are sensitive to strong force.
  • Meson is an intermediate-mass range particle (135 - 938.3 MeV).

EXPLANATION:

From the above discussion, we can see that,

  • Mass of Lepton = 0 - 135 MeV.
  • Mass of Meson = 135 - 938.3 MeV.
  • Mass of graviton nearly equal to zero.
  • Mass of neutron =  939.56 MeV, which is greater than a proton.
  • The mass of hyperon is greater than the mass of nucleon.

Hence, hyperon has the highest mass in the given particles.

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