Decay Properties of the Roper Resonance from p p -> p p pi+ pi-

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dc.creatorWASA collaboration
dc.date2002-10-02
dc.date.accessioned2026-07-07T05:36:59Z
dc.date.available2026-07-07T05:36:59Z
dc.descriptionExclusive measurements of the two-pion production channel p p -> p p pi+ pi- have been carried out near threshold at CELSIUS with the PROMICE/WASA detector. They reveal p p -> p p*(1440) -> p p sigma -> p p (pi+ pi-)I=l=0 as the dominant process at these energies, however, the data exhibit also significant contributions from p*(1440) -> Delta pi -> p (pi+ pi-)I=l=0 . From the observed interference of this routes their relative branching ratio is derived.
dc.descriptionQNP 2002
dc.identifierhttps://arxiv.org/abs/nucl-ex/0210006
dc.identifierhttp://arxiv.org/abs/nucl-ex/0210006
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/81170
dc.subjectNuclear Experiment
dc.titleDecay Properties of the Roper Resonance from p p -> p p pi+ pi-
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