Recent content by majorana2015

is this a joke? i come here for help and all I'm getting are just simpleton questions

thanks!. Do you mean? \frac{1}{4} (1- { \gamma}_{ 5} ) { \gamma}^{ \mu} (1- { \gamma}_{ 5} ) = \frac{1}{4} ( { \gamma}^{ \mu} (1- { \gamma}_{ 5})^{2} can I just do that with 1 − γ_5 term? so I'dhave (1- { \gamma}_{ 5})^{2} = (1- { \gamma}_{ 5}) and then \frac{1}{4}...

what could I use ?

we have Z_{\mu} \bar{\nu}_{L} { \gamma}^{ \mu} \nu_{L} given that {\nu}_{L}= \frac {(1- { \gamma}_{ 5} )}{2} \nu_{Dirac} and \bar{\nu}_{L}= { \bar {\nu}_{Dirac}} \frac {(1- { \gamma}_{ 5} )}{2} then Z_{\mu} \bar{\nu}_{L} { \gamma}^{ \mu} \nu_{L} = Z_{\mu} { \bar {\nu}_{Dirac}}...

Yes I did, mainly because I have no idea how to start. Pointless to keep that part .

Hi All 1. Homework Statement with the known coupling strenght between SM neutrinos and Z boson Z_{\mu} \bar{\nu}_{L} { \gamma}^{ \mu} \nu_{L} how can I get the coupling strength for Dirac neutrinos Z_{\mu} \bar{\nu}_{Dirac} { \gamma}^{ \mu} (1- { \gamma}_{ 5} ) \nu_{Dirac} ? thanks