On the d→p+n Vertex Constant

  • I. Borbély
  • F. Nichitiu
Conference paper
Part of the Experientia Supplementum book series (EXS, volume 25)

Abstract

It was as long ago as 1958 that Chew proposed to continue the differential cross section as a function of the reaction angle to the nonphysical region and in this way to extract spectroscopic information1). The analyticity of the differential cross section follows from that of the amplitude. It is well known that the singularities of the amplitude in the z=cos θ plane represent various direct reaction m chanisms, the simplest and well-studied one is the transfer pole2,3). The residue at the pole contains information on the asymptotical normalization of the wave function of the transferred particle in both nuclei.

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Copyright information

© Springer Basel AG 1976

Authors and Affiliations

  • I. Borbély
    • 1
    • 2
  • F. Nichitiu
    • 1
  1. 1.Joint Institute for Nuclear Research Laboratory for Theoretical PhysicsDubna
  2. 2.Central Research Inst. for PhysicsBudapest

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