2 ms·
Resonances are like vibrations on a trampoline; stable particles are more like lumps in a carpet. Usually what keeps particles stable is that they carry some q
by evanb 5y ago
Resonances are like vibrations on a trampoline; stable particles are more like lumps in a carpet.
Usually what keeps particles stable is that they carry some quantum number(s) that is/are conserved, and no lighter combination of particles can be made with that combination.
- kurthr 5y agoThe observables are conserved, but I guess I always thought of the internal complex quantum states spinning away on their own.