AN UNSUBSTRACTED DISPERSION RELATION AND PION-NUCLEON FORWARD CHARGE- EXCHANGE SCATTERING
An unsubtracted dispersion relation which relates the real part of the pion-nucleon charge-exchange forward amplitude to the total cross sections for pi /sup plus or minus /-p scattering is written down. The validity of this equation is discussed and its relation to the once subtracted dispersion relations. It is used to calculate the real part of the forward chargeexchange amplitude; the results are preserted and their comparison with experiment discussed. (auth)
- Research Organization:
- CERN, Geneva
- NSA Number:
- NSA-16-027946
- OSTI ID:
- 4797248
- Journal Information:
- Nuclear Phys., Journal Name: Nuclear Phys. Vol. Vol: 36
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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