Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2008-10-06
Physics
Nuclear Physics
Nuclear Theory
8 pages, 3 figures
Scientific paper
We present definitions and formulas that may be useful for a consistent computation of helicity amplitudes for the process gamma* N -> N* in theoretical approaches. Of particular importance is the correct determination of the common sign of the amplitudes and of the relative sign between the transverse (A12,A32) and longitudinal (S12) amplitudes. This clarification is necessary to clear up confusions present in theoretical works. Using the definitions presented in this paper will enable a direct comparison with amplitudes extracted from experimental data.
Aznauryan Inna G.
Burkert Volker D.
Lee T. S. -H.
No associations
LandOfFree
On the definitions of the gamma*N -> N* helicity amplitudes does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with On the definitions of the gamma*N -> N* helicity amplitudes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On the definitions of the gamma*N -> N* helicity amplitudes will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-206006