Short questions related to particle physics
Shiningpens Changed status to publish 10 January 2022
The charge of u quark is 2/3e and d quark is -1/3e.
Now
uud
=2/3e+2/3e-1/3e
=+e , it is proton
similarly
udd
=2/3e-1/3e-1/3e
=0 , it is neutron
Kamal Dhungel Answered question 10 January 2022