Spin observables for 208Pb(→p, →p) elastic scattering at 290 MeV

O. Häusser, K. Hicks, C. W. Glober, R. Abegg, A. Celler, C. Günther, R. L. Helmer, R. Henderson, D. J. Horen, C. J. Horowitz, K. P. Jackson, J. Lisantti, D. K. McDaniels, C. A. Miller, R. Sawafta, L. W. Swenson

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13 Scopus citations


A newly constructed focal-plane polarimeter for the medium resolution spectrometer at TRIUMF has been used to measure polarizations and polarization transfer coefficients for protons elastically scattered from 208Pb at 290 MeV. These results combined with existing cross section data at 300 MeV completely determine the elastic scattering amplitudes for momentum transfers q<2.6 fm-1. The data are in quantitative agreement with Dirac calculations which take the effects of Pauli blocking into account, but disagree at small momentum transfer with density-dependent Schrödinger calculations.

Original languageEnglish
Pages (from-to)316-319
Number of pages4
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number4
StatePublished - 5 Feb 1987
Externally publishedYes

Bibliographical note

Funding Information:
The authors thank the operating crews for the ion source and the TRIUMF cyclotron for delivering excellent polarized proton beams. They are indebted to D. Hutcheon for his numerous contributions to the development of the focal-plane polarimeter. They are grateful to C. Broude for advice on the data analysis and to W. Bauhoff, E.D. Cooper and R. Dymarz for comments on the theoretical interpretation of the data. This work was supported by grants from the Natural Sciences and Engineering Research Council of Canada.


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