Evidence for a missing nucleon resonance in kaon photoproduction

Terry Mart, C. Bennhold

Research output: Contribution to journalArticle

15 Citations (Scopus)


New SAPHIR [Formula Presented] total cross section data show a resonance structure at a total c.m. energy around 1900 MeV. We investigate this feature with an isobar model and find that the structure can be well explained by including a new [Formula Presented] resonance at 1895 MeV. Such a state has been predicted by a relativistic quark model at 1960 MeV with significant [Formula Presented] and [Formula Presented] branching ratios. We demonstrate how the measurement of the photon asymmetry can be used to further study this resonance. In addition, verification of the predicted large decay widths into the [Formula Presented] and [Formula Presented] channels would allow distinguishing between other nearby [Formula Presented] states.

Original languageEnglish
Number of pages1
JournalPhysical Review C - Nuclear Physics
Issue number1
Publication statusPublished - 1 Jan 2000

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