Neutron-proton analyzing power at 12 MeV and inconsistencies in parametrizations of nucleon-nucleon data

R. T. Braun, W. Tornow, C. R. Howell, D. E. González Trotter, C. D. Roper, F. Salinas, H. R. Setze, R. L. Walter, G. J. Weisel

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

We present the most accurate and complete data set for the analyzing power Ay (θ) in neutron-proton scattering. The experimental data were corrected for the effects of multiple scattering, both in the center detector and in the neutron detectors. The final data at En = 12.0 MeV deviate considerably from the predictions of nucleon-nucleon phase-shift analyses and potential models. The impact of the new data on the value of the charged pion-nucleon coupling constant is discussed in a model study.

Original languageEnglish (US)
Pages (from-to)161-166
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume660
Issue number3
DOIs
StatePublished - Feb 21 2008

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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