MadSci Network: Physics
Query:

Re: About Atom model ( to Samuel Silverstein Lecturer in physics)

Date: Wed Jun 16 13:00:23 2010
Posted By: Samuel Silverstein, Lecturer in physics
Area of science: Physics
ID: 1276514975.Ph
Message:

Ramil,

Thanks for sending the figure to clarify your question.

I can see clearly that your hypothesis is based on a model where a neutron is a combination of an electron and a proton, and when a neutron disintegrates, the proton and electron separate.

I am sorry, but this idea cannot be correct. As I said before, a neutron decays to a proton, an electron, and an electron neutrino. Your idea does not explain where the neutrino comes from. There are many more reasons, including the fact that quantum mechanics does not let an electron be confined within a space as small as a neutron.

Particle physicists have understood for a long time that protons and neutrons are composed of three quarks. The proton has two "u" quarks (charge +2/3 each), plus one "d" quark (charge -1/3) for a total charge of +1. A neutron has one "u" quark and two "d" quarks, for a total charge of 0. When a neutron decays, one of the two "d" quarks is transformed by the weak force to a "u" quark, producing an electron and a neutrino.

There are many good resources about quarks and particle physics in general. This website is a great place to start. Good luck!


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