I can't do the derivative 7.31 at page 221. I try to do the derivative dΣ/dpslash, but my result is different from 7.31
Someone can help me writhing the right derivative?
Thank you in advance!
I can't do the derivative 7.31 at page 221. I try to do the derivative of Σ in dp slash, but my result is different from 7.31
Someone can help me writhing the right derivative?
Thank you in advance!