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Microscopic two-nucleon overlaps and knockout reactions from 12 C

Simpson, Edward; Navratil, P.; Roth, R.; Tostevin, Jeffrey Allan

Description

The nuclear structure dependence of direct reactions that remove a pair of like or unlike nucleons from a fast 12C projectile beam are considered. Specifically, we study the differences in the two-nucleon correlations present and the predicted removal cross sections when using p-shell shell-model and multi-no-core shell-model (NCSM) descriptions of the two-nucleon overlaps for the transitions to the mass A=10 projectile residues. The NCSM calculations use modern chiral two-nucleon and...[Show more]

dc.contributor.authorSimpson, Edward
dc.contributor.authorNavratil, P.
dc.contributor.authorRoth, R.
dc.contributor.authorTostevin, Jeffrey Allan
dc.date.accessioned2015-12-10T22:56:56Z
dc.identifier.issn0556-2813
dc.identifier.urihttp://hdl.handle.net/1885/60439
dc.description.abstractThe nuclear structure dependence of direct reactions that remove a pair of like or unlike nucleons from a fast 12C projectile beam are considered. Specifically, we study the differences in the two-nucleon correlations present and the predicted removal cross sections when using p-shell shell-model and multi-no-core shell-model (NCSM) descriptions of the two-nucleon overlaps for the transitions to the mass A=10 projectile residues. The NCSM calculations use modern chiral two-nucleon and three-nucleon (NN+3N) interactions. The np-removal cross sections to low-lying T=0, 10B final states are enhanced when using the NCSM two-nucleon amplitudes. The calculated absolute and relative partial cross sections to the low-energy 10B final states show a significant sensitivity to the interactions used, suggesting that assessments of the overlap functions for these transitions and confirmations of their structure could be made using final-state-exclusive measurements of the np-removal cross sections and the associated momentum distributions of the forward traveling projectile-like residues. � 2012 American Physical Society.
dc.publisherAmerican Physical Society
dc.rightsAuthor/s retain copyright
dc.sourcePhysical Review C: Nuclear Physics
dc.titleMicroscopic two-nucleon overlaps and knockout reactions from 12 C
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume86
dc.date.issued2012
local.identifier.absfor020202 - Nuclear Physics
local.identifier.ariespublicationu4155331xPUB540
local.type.statusPublished Version
local.contributor.affiliationSimpson, Edward, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationNavratil, P., TRIUMF
local.contributor.affiliationRoth, R., Technical University Darmstadt
local.contributor.affiliationTostevin, Jeffrey Allan, University of Surrey
local.bibliographicCitation.issue5
local.bibliographicCitation.startpage1
local.bibliographicCitation.lastpage10
local.identifier.doi10.1103/PhysRevC.86.054609
dc.date.updated2015-12-10T07:57:22Z
local.identifier.scopusID2-s2.0-84870926331
dcterms.accessRightsOpen Access
CollectionsANU Research Publications

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