00:01
Okay, so the main idea here is conservation of charge.
00:10
Charge is one of these things in the universe that has to always be conserved.
00:13
So if i have a proton that's going to turn into a neutron through beta decay, right? what happened? there's some stuff involving bosons and like up and down quarks and stuff like that.
00:24
But basically, you have a proton turning into a neutron.
00:27
The charge here has to be conserved.
00:29
You can't just have a positive charge.
00:31
You get wiped out of the universe for free.
00:33
Doesn't work like that.
00:34
So if i have a positive charge becoming a neutron, we know neutrons are neutral, right? they have zero charge.
00:42
That means there has to be something here that has a positive charge to conserve charge.
00:46
So the other thing that's going to be produced is a positron.
00:52
Now, if that proton decays into a neutron plus a positron, i've conserved charge...