The reaction $γp \to π^\circ γ^\prime p$ and the magnetic dipole moment of the $Δ^+(1232)$ resonance

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dc.creatorKotulla, M.
dc.creatorAhrens, J.
dc.creatorAnnand, J. R. M.
dc.creatorBeck, R.
dc.creatorCaselotti, G.
dc.creatorFog, L. S.
dc.creatorHornidge, D.
dc.creatorJanssen, S.
dc.creatorKrusche, B.
dc.creatorMcGeorge, J. C.
dc.creatorMcGregor, I. J. D.
dc.creatorMengel, K.
dc.creatorMesschendorp, J. G.
dc.creatorMetag, V.
dc.creatorNovotny, R.
dc.creatorPfeiffer, M.
dc.creatorRost, M.
dc.creatorSack, S.
dc.creatorSanderson, R.
dc.creatorSchadmand, S.
dc.creatorWatts, D. P.
dc.date2002-10-31
dc.date.accessioned2026-07-07T10:34:31Z
dc.date.available2026-07-07T10:34:31Z
dc.descriptionThe reaction $γp \to π^\circ γ^\prime p$ has been measured with the TAPS calorimeter at the Mainz Microtron accelerator facility MAMI for energies between $\sqrt{s}$ = 1221--1331 MeV. Cross sections differential in angle and energy have been determined for all particles in the final state in three bins of the excitation energy. This reaction channel provides access to the magnetic dipole moment of the $Δ^{+}(1232)$ resonance and, for the first time, a value of $μ_{Δ^+} = (2.7_{-1.3}^{+1.0}(stat.) \pm 1.5 (syst.) \pm 3(theo.)) μ_N$ has been extracted.
dc.identifierhttps://arxiv.org/abs/nucl-ex/0210040
dc.identifierhttp://arxiv.org/abs/nucl-ex/0210040
dc.identifierPhys.Rev.Lett.89:272001,2002
dc.identifierdoi:10.1103/PhysRevLett.89.272001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/179501
dc.subjectNuclear Experiment
dc.titleThe reaction $γp \to π^\circ γ^\prime p$ and the magnetic dipole moment of the $Δ^+(1232)$ resonance
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