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Inclusive pion double charge exchange on O-16 above the delta resonance

A. P. Krutenkova·T. Watanabe·D. Abe·Y. Fujii·O. Hashimoto·V. V. Kulikov·T. Nagae·M. Nakamura·H. Noumi·H. Outa·P. K. Saha·T. Takahashi·H. Tamura
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Abstract

The forward inclusive pion double charge exchange reaction, ^{16}O(pi^-,pi^+)X, at T_0 = 0.50 and 0.75 GeV has been studied in the kinematical region where an additional pion production is forbidden by energy-momentum conservation. The experiment was performed with the SKS spectrometer at KEK PS. The measured ratio of double charge exchange cross-section for these energies dsigma(0.50 GeV)/dOmega / dsigma(0.75 GeV)/dOmega = 1.7 +/- 0.2, disagrees with the value of 7.2 predicted within the conventional sequential single charge exchange mechanism. Possible reasons for the disagreement are discussed in connection with the Glauber inelastic rescatterings.

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A. P. Krutenkova, T. Watanabe, D. Abe, Y. Fujii, O. Hashimoto, V. V. Kulikov, T. Nagae, M. Nakamura, H. Noumi, H. Outa, P. K. Saha, T. Takahashi, H. Tamura. 2005-06-20. Inclusive pion double charge exchange on O-16 above the delta resonance. https://doi.org/10.1103/physrevc.72.037602

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