# Binding Energy

by VishalChauhan
Tags: binding, binding energy, energy, nucleon
 P: 27 The graph of potential energy of two nucleons shows a minima at 100 MeV,but the binding energy of a deuterium nucleus is close to just 1 MeV. Since binding energy is the energy required to rip apart the nucleus ,hypothetically,should the two values not be same?
 P: 294 Can you show the graph? In general the binding energy of two nucleons depends on the nucleon type (eg nn and pp are not possible).... For having a bound state you need E<0.
 P: 27 Please see the attachment. Attached Thumbnails
P: 294

## Binding Energy

I guess that this graph wants to describe the fact that the nucleons will prefer existing within the nuclei radius, rather than going too far away or falling on each other
P: 877
 Quote by VishalChauhan Since binding energy is the energy required to rip apart the nucleus ,hypothetically,should the two values not be same?
No, they don't have to be the same. Look at the hydrogen atom, for instance. The electron's binding energy is 13.6 eV while the minimum energy of the coulomb potential is -∞.
 Mentor P: 10,534 The minimum potential is just a lower bound for the binding energy - and you would need particles of "infinite" mass to approach this value. The real nucleons will form some (3-dimensional) wave-function similar to the electron, and have an energy corresponding to a solution of the Schrödinger equation (ignoring relativistic effects).

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