In neutrino-nucleon scattering, the actual interaction is mainly with u or d quarks. (a)
![2128_240a826f-14db-4bf2-9019-e8a44456e659.png](https://secure.tutorsglobe.com/CMSImages/2128_240a826f-14db-4bf2-9019-e8a44456e659.png)
the processes in parts (a) and (c) and using proton or neutron (in a nucleus) targets, what would be the initial state nucleon and what would be the final state nucleon?