New posts in Particle Physics

What is the difference between a neutrino and an antineutrino?

Why is $\pi^0 \rightarrow \gamma \rightarrow e^-e^+$ forbidden but $\pi^+\rightarrow W^+ \rightarrow e^+ \nu_e$ allowed?

Why are protons heavier than electrons?

Why does an electron react differently to a virtual photon in the interaction between two electrons and between an electron and a positron?

Is there a term for electron capture outside the nucleus?

Particle creation by a source as explained in A. Zee's QFT in a Nutshell

why speed of alpha particle is a characteristic property?

How do we know the number of photons in a decay?

How can the radius of a bare neutron be negative?

To what extent are lepton and quark generations tied in the Standard Model?