Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-10-05
Phys.Lett.B523:265-272,2001
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 5 figures
Scientific paper
10.1016/S0370-2693(01)01345-4
We study the exclusive reactions pi- p -> l+ l- n and pi+ n -> l+ l- p$ in view of possible future experiments with high-intensity pion beams. For large invariant mass of the lepton pair l+ l- and small squared momentum transfer to the nucleon these are hard-scattering processes providing access to generalized parton distributions. We estimate the cross section for these reactions, explore their connection with the pion form factor, and discuss the role they can play in improving our understanding of the relevant reaction mechanisms.
Berger E. R.
Diehl Markus
Pire Bernard
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