Recent content by memyself

  1. M

    Why was is it needed to include the Z boson along with the W's?

    When I referred to unitarity I meant that in the Fermi theory there are cross sections that grow with the energy. For example: \sigma(e \nu \rightarrow e \nu) \propto {G_F}^2 s Since cross sections express the likelihood of interaction between particles, what happens is that at...
  2. M

    Why was is it needed to include the Z boson along with the W's?

    I thought though that the reason why the Z and W bosons where included was because without them the theory violated unitarity. Isn't that so?
  3. M

    Why can't rho^o decay into two pi^o?

    Hello, I don't understand why pi0-pi0 can't have J=1. I thought (probably wrong) that they could have some relative angular momentum L for example L=1 so that then pi0-pi0 would have J=1. Maybe it's trivial but could someone please explain me why that isn't possible :) Thank you!
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