Blue torus = 1 proton
Red torus = 1 nuclear electron
Atomic number of neutron (0) = protons (1) - nuclear electron (1)
Spin = 1/2+
The neutron consists by a proton torus inside an electron torus. No quarks.
Inside nucleus the electron cannot falling out because two proton torus commonly use the 3 times bigger "glue" electron torus captured.
The gluons hypothetised by nuclear physicists are simply nuclear electrons.
When a neutron freed from a nucleus so there is no guide rail any more for electron, and accordingly electron can drop off from the single proton torus with half life of 10.8 minuts.
This may the reason why shell electron of hydrogen atom not falling in into nucleus.
Or else -in case of all other nuclei- the nucleus has negative electric charge in outer surface in consequence of nuclear "binding" electrons. This negative surface prevent shell electrons to fall into nucleus.
Click the photo for Hydrogen2 nucleus (= Deuterium)
Photon model of light Neutron fake wiki
A protontórusz sugara