Isospin breaking in low-energy pion-nucleon scattering

We have analyzed low-energy pion-nucleon data for isospin invariance by comparing charge-exchange amplitudes derived from charge-exchange data with those predicted from recent {pi}{sup {plus_minus}}{ital p} elastic data through the application of isospin invariance. A discrepancy of the order of 7%...

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Veröffentlicht in:	Physical Review Letters 1995-05, Vol.74 (19), p.3740-3743
Hauptverfasser:	Gibbs, WR, Ai, L, Kaufmann, WB
Format:	Artikel
Sprache:	eng
Schlagworte:	AMPLITUDES CHARGE-EXCHANGE REACTIONS COULOMB SCATTERING ELASTIC SCATTERING ISOSPIN MASS DIFFERENCE P WAVES PHYSICS PION-NUCLEON INTERACTIONS SPIN FLIP
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