Recent content by ribella

Greetings, I am trying to obtain a plot of the photocurrent versus the wavelength of light of a GaAs/InGaAs/Si top-illuminated pin photodetector, where the doping ratio for p-type GaAs is conc=1e17, for i-layer In_xGa_1-xAs conc=1e14 and for n-type Si conc=1e18. Firstly, for x=0.05, if we...

Thank you for your answer. For example, let's assume that the center of mass energy for the gg->e-e+ process (Here, g is EPA photon) is 100 TeV. In this case, is the EPA approximation valid for the incoming photons at these energies?

Hi, What is the energy dependence of the Equivalent photon approximation? For this approach to be valid, what is the maximum center of mass-energy. As know, this approach is an energy-dependent approach. Can this approach be used to calculate, for example, at a center of mass energy of 100...

thanks for your response.

for example, I want to calculate the cross-section of the process pp->W-W+->l- v l+ vb (Here, l is generally taken as electron and muon). Therefore, why is generally the decay of the W boson to tau lepton not taken in the calculations?

Why is generally the decay of the W boson to tau lepton not taken in the calculations?