K ∗ production in K +n → K πN at 8.25 GeV/ c

Reactions K +n → (K π)N have been studied using data from the CERN 2 m deuterium bubble chamber obtained with incident K + of 8.25 GeV/ c. There is an abundant production of K ∗(892) and K ∗(1420). The reaction and K ∗ resonance production cross sections are presented. K ∗ production and decay angul...

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Bibliographic Details
Published in:Nuclear physics. B 1976-09, Vol.112 (2), p.189-212
Main Authors: Hendrickx, K., Cornet, P., Grard, F., Henri, V.P., Windmolders, R., Vignaud, D., Burlaud, D., Tavernier, S.
Format: Article
Language:English
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Summary:Reactions K +n → (K π)N have been studied using data from the CERN 2 m deuterium bubble chamber obtained with incident K + of 8.25 GeV/ c. There is an abundant production of K ∗(892) and K ∗(1420). The reaction and K ∗ resonance production cross sections are presented. K ∗ production and decay angular distributions are analyzed. Charge-exchange reactions are dominated by unnatural parity exchange and the non-charge-exchange reaction by natural parity exchange. The K ∗ 0 (892) data are in good agreement with the predictions of an OPE absorption model. A broad enhancement around 1850 MeV could be interpreted as a signal for the K ∗ 0 (1780).
ISSN:0550-3213
1873-1562
DOI:10.1016/0550-3213(76)90530-7