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25 April 2024

» arxiv » nucl-ex/0502017

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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 ;
Date:	21 Feb 2005
Journal:	Phys.Rev. C72 (2005) 037602
Subject:	nucl-ex hep-ph
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.
Source:	arXiv, nucl-ex/0502017
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