Saved Bookmarks
| 1. |
The neutron is a particle with zero charge still it has a non-zero magnetic moment with z-component 9.66 xx 10^(-27) A-m^(2). This can be explained by the internal structure of the neutron. The evidence indicates that a neutron is composed of three fundamental particles calleed quarks : an "up" (u) quark, of charge + (2e)/(3), and two "down" (d) quarks, each of change - (e)/(3). The combinations of the three quarks prodcues a net charge of (2e)/(3) - e/3 - e/3 = 0. If the quarks are in motion they can produce a non-zero magnetic moment. As a very simple model, suppose the u quark moves in a counter clockwise circular path and the d quarks move in a clockwise circular path, all of the radius r and all with the same speed v see figure. If all Quarks start moving in the same direction then what will be the magnetic moment of the neutron :- |
|
Answer» `(evr)/(3pir)` |
|