Reaction 58Ni(π+,pp) at Tπ+=160 MeV

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dc.contributor.authorBurger, B.J.
dc.contributor.authorBeise, E.J.
dc.contributor.authorGilad, S.
dc.contributor.authorRedwine, R.P.
dc.contributor.authorRoos, P.J.
dc.contributor.authorChant, N.S.
dc.contributor.authorBreuer, H.
dc.contributor.authorCiangaru, G.
dc.contributor.authorSilk, J.D.
dc.contributor.authorBlanpied, J.S.
dc.contributor.authorPreedom, B.M.
dc.contributor.authorRitchie, B.G.
dc.contributor.authorBlecher, M.
dc.contributor.authorGotow, K.
dc.contributor.authorLee, D.M.
dc.date.accessioned2010-12-08T20:37:36Z
dc.date.available2010-12-08T20:37:36Z
dc.date.issued1990-05
dc.description.abstractThe reaction 58Ni(π+,pp) was studied with good energy resolution for an incident pion energy of 160 MeV. The angular correlation of the outgoing protons was measured for θlab=30°, 75°, and 130°. From these angular correlations the contribution from direct two-nucleon absorption was extracted. A Monte Carlo calculation modeling the absorption process in terms of initial-state scattering of the pion before absorption, two-nucleon absorption, and final-state scattering of the outgoing nucleons is compared to the data. We conclude that within this framework the two-nucleon mechanism can account for less than half of the total absorption cross section in 58Ni. We report results for the low-energy coincidence proton spectra (down to 5 MeV) which suggest that most of these protons come from evaporation. Angular correlation data for the reaction 58Ni(π-,pp) are also presented.en_US
dc.identifier.citationBurger, B.J. et al. "Reaction 58Ni(π+,pp) at Tπ+=160 MeV." Physical Review C 41, no. 5 (1990): 2215-2228.en_US
dc.identifier.issn0556-2813
dc.identifier.urihttp://hdl.handle.net/1903/11027
dc.relation.isAvailableAtCollege of Computer, Mathematical & Physical Sciencesen_us
dc.relation.isAvailableAtPhysicsen_us
dc.relation.isAvailableAtDigital Repository at the University of Marylanden_us
dc.relation.isAvailableAtUniversity of Maryland (College Park, MD)en_us
dc.rights.license© 1990 The American Physical Society.
dc.subjectPhysicsen_US
dc.subjectPion energyen_US
dc.titleReaction 58Ni(π+,pp) at Tπ+=160 MeVen_US
dc.typeArticleen_US

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