The values of strangeness assigned to various particles are based on what?

• Correct Answer: decay systematics
• penetration potential
• atomic mass
• thermal energy

Explanation: lifetimes on the order of 10 s (the exception is Σ , whose short lifetime is explained by its particular quark substructure. ), implying that their decay is caused by the weak force alone, although they are hadrons and feel the strong force. The decay modes of these particles also show patterns—in particular, certain decays that should be possible within all the known conservation laws do not occur. Whenever something is possible in physics, it will happen. If something does not happen, it is forbidden by a rule. All this seemed strange to those studying these particles when they were first discovered, so they named a new quantum number strangeness, given the symbol S in the table given above. The values of strangeness assigned to various particles are based on the decay systematics. It is found that strangeness is conserved by the strong force, which.

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