Evidence for a three-nucleon-force effect in proton-deuteron elastic scattering

Developments in spin-polarized internal targets for storage rings have permitted measurements of 197 MeV polarized protons scattering from vector polarized deuterons. This work presents measurements of the polarization observables A(y), iT11, and C(y,y) in proton-deuteron elastic scattering. When co...

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Bibliographic Details
Published in:Physical review letters 2001-02, Vol.86 (6), p.967-970
Main Authors: Cadman, R V, Brack, J, Cummings, W J, Fedchak, J A, Fox, B D, Gao, H, Glöckle, W, Golak, J, Grosshauser, C, Holt, R J, Jones, C E, Kamada, H, Kinney, E R, Miller, M A, Nagengast, W, Nogga, A, Owen, B R, Rith, K, Schmidt, F, Schulte, E C, Sowinski, J, Sperisen, F, Thorsland, E L, Tobey, R, Wilbert, J, Witała, H
Format: Article
Language:English
Subjects:
DEUTERONS
ELASTIC SCATTERING
NUCLEAR PROPERTIES
PARTICLE ACCELERATORS
POLARIZATION
PROTONS
SCATTERING
STORAGE RINGS
VECTORS
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Summary:Developments in spin-polarized internal targets for storage rings have permitted measurements of 197 MeV polarized protons scattering from vector polarized deuterons. This work presents measurements of the polarization observables A(y), iT11, and C(y,y) in proton-deuteron elastic scattering. When compared to calculations with and without three-nucleon forces, the measurements provide further evidence that three-nucleon forces make a contribution to the observables. This work indicates that three-body forces derived from static nuclear properties appear to be crucial to the description of dynamical properties.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.86.967