Experimental Evidence for Structures in the Momentum Dependence of the n + p --> p + n Charge-Exchange Peak Between 1-GeV/c and 2-GeV/c

Jan, 1974
17 pages
Published in:
  • Nucl.Phys.B 85 (1975) 14-30
  • Published: 1975
Report number:
  • PRINT-74-0094 (CAEN)

Citations per year

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Abstract: (Elsevier)
21 differential cross section measurements of the np → pn charge-exchange reaction have been carried out at the synchrotron Saturne (Saclay), for incident neutron momenta between 1 and 2 GeV/ c and in the squared four-momentum transfer range 0 ⩽ −t ⩽ 0.4 (GeV/ c ) 2 . The π exchange peak is seen at all the incident momenta. The s dependence of the very forward slope of this peak shows weak structures near the threshold of inelastic channels.