Single-spin asymmetries of $d(γ,π)NN$ in the first resonance region

Details Single-spin asymmetries of $d(γ,π)NN$ in the first resonance region Single-spin asymmetries of $d(γ,π)NN$ in the first resonance region

2003-09-23

arxiv.org/abs/nucl-th/0309061v2

Nucl.Phys. A735 (2004) 200-216

Physics

Nuclear Physics

Nuclear Theory

20 pages including 5 postscript figures, minor revisions in the text added, no changes in the results and in the conclusions

Scientific paper

10.1016/j.nuclphysa.2004.02.010

Incoherent photoproduction of pions on the deuteron in the first resonance region is investigated with special emphasis on single-spin asymmetries. For the elementary pion production operator an effective Lagrangian model which includes the standard pseudovector Born terms and a resonance contribution from the $\Delta$(1232)-excitation is used. Single-spin asymmetries, both for charged and neutral pion photoproduction on the deuteron, are analyzed and calculated for the first time in the first resonance region. The linear photon asymmetry $\Sigma$, vector target asymmetry $T_{11}$ and tensor target asymmetries $T_{20}$, $T_{21}$, and $T_{22}$ for the reaction $d(\gamma,\pi)NN$ are predicted for forthcoming experiments.

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