Study of the charge-exchange reactions $$\pi ^ - p \to (\pi ^0 ,\eta ,\eta \prime )n$$ at 63 GeV

Abstract

Total and differential cross-sections have been measured for the reactions $$\pi ^ - p \to (\pi ^0 ,\eta ,\eta \prime )n$$ . The results agree with those of two experiments carried out in the same energy range, apart from measurements at high |t| for the charge-exchange reaction π− p→π0 n. The latter indicate a deviation from the prediction of a single Regge-pole model with linear trajectories at high incident momentum and high momentum transfer.