Forward pion-nucleon charge exchange reaction and Regge constraints

HUANG Fei

doi:10.1088/1674-1137/33/12/045

Chinese Physics C> 2009, Vol. 33> Issue(12) : 1318-1321 DOI: 10.1088/1674-1137/33/12/045

Forward pion-nucleon charge exchange reaction and Regge constraints

HUANG Fei ^,

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Abstract：
We present our recent study of pion-nucleon charge exchange amplitudes above 2 GeV. We analyze the forward pion-nucleon charge exchange reaction data in a Regge model and compare the resulting amplitudes with those from the Karlsruhe-Helsinki and George-Washington-University partial-wave analyses. We explore possible high-energy constraints for theoretical baryon resonance analyses in the energy region above 2 GeV. Our results show that for the pion-nucleon charge exchange reaction, the appropriate energy region for matching meson-nucleon dynamics to diffractive scattering should be around 3 GeV for the helicity flip amplitude.

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HUANG Fei. Forward pion-nucleon charge exchange reaction and Regge constraints[J]. Chinese Physics C, 2009, 33(12): 1318-1321. doi: 10.1088/1674-1137/33/12/045

HUANG Fei. Forward pion-nucleon charge exchange reaction and Regge constraints[J]. Chinese Physics C, 2009, 33(12): 1318-1321. doi: 10.1088/1674-1137/33/12/045 shu

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Received: 2009-08-07
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Forward pion-nucleon charge exchange reaction and Regge constraints

HUANG Fei ^,

Corresponding author: HUANG Fei,

Received Date: 2009-08-07
Accepted Date: 1900-01-01
Available Online: 2009-12-05

Abstract:

We present our recent study of pion-nucleon charge exchange amplitudes above 2 GeV. We analyze the forward pion-nucleon charge exchange reaction data in a Regge model and compare the resulting amplitudes with those from the Karlsruhe-Helsinki and George-Washington-University partial-wave analyses. We explore possible high-energy constraints for theoretical baryon resonance analyses in the energy region above 2 GeV. Our results show that for the pion-nucleon charge exchange reaction, the appropriate energy region for matching meson-nucleon dynamics to diffractive scattering should be around 3 GeV for the helicity flip amplitude.