Abstract
Single-π − and -π + photoproduction from deuterium has been measured at energies E = 1.7−5.6 GeV and momentum transfers |t|= 0.4−5.6 (GeV/c)2. The ratio π −/π + for data taken at E = 3.4 GeV is presented. Also the ratio of the π + from hydrogen to the π + from deuterium is extracted to examine the nucleon spectator assumption used in the cross-section ratio analysis. Results are discussed in conjunction with the existing measurements with frameworks ranging from a hadronic description to parton constituent models which successfully characterize the scaling behaviors observed in the exclusive measurements.
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Xiang, H. (2003). Measurement of π −and π + photoproduction in deuterium at large momentum transfer for E = 1.7−5.6 GeV. In: Elster, C., Speth, J., Walcher, T. (eds) Refereed and selected contributions from International Conference on Quark Nuclear Physics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-09712-0_64
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DOI: https://doi.org/10.1007/978-3-662-09712-0_64
Publisher Name: Springer, Berlin, Heidelberg
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