Neutron-neutron scattering length from the reaction gamma d --> pi^+ nn employing chiral perturbation theory

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dc.creatorLensky, V.
dc.creatorBaru, V.
dc.creatorEpelbaum, E.
dc.creatorHanhart, C.
dc.creatorHaidenbauer, J.
dc.creatorKudryavtsev, A.
dc.creatorMeißner, Ulf-G.
dc.date2007-04-03
dc.date.accessioned2026-07-07T10:59:22Z
dc.date.available2026-07-07T10:59:22Z
dc.descriptionWe discuss the possibility to extract the neutron-neutron scattering length a_{nn} from experimental spectra on the reaction gamma d --> pi^+ nn. The transition operator is calculated to high accuracy from chiral perturbation theory. We argue that for properly chosen kinematics, the theoretical uncertainty of the method can be as low as 0.1 fm.
dc.description14 pages, 8 figures
dc.identifierhttps://arxiv.org/abs/0704.0443
dc.identifierhttp://arxiv.org/abs/0704.0443
dc.identifierEur.Phys.J.A33:339-348,2007
dc.identifierdoi:10.1140/epja/i2007-10461-y
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/187379
dc.subjectNuclear Theory
dc.subjectNuclear Experiment
dc.titleNeutron-neutron scattering length from the reaction gamma d --> pi^+ nn employing chiral perturbation theory
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