Role of [Formula Presented] in [Formula Presented] photoproduction

Research output: Contribution to journalArticle


Using an isobar model and the new SAPHIR data we show that a better explanation of [Formula Presented] photoproduction can be achieved by including the [Formula Presented] resonance. We find that the inclusion of this state does not influence the [Formula Presented] channel appreciably, in contrast to the other three [Formula Presented] channels, where the prominent effect is found in the [Formula Presented] channel. The extracted fractional decay width is consistent with the prediction of the quark model, whose magnitude is almost one order smaller than the value given by the Particle Data Group.

Original languageEnglish
Number of pages1
JournalPhysical Review C - Nuclear Physics
Issue number3
Publication statusPublished - 1 Jan 2000

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