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BACKWARD PRODUCTION OF A SPIN-PARITY 1+ K RHO RESONANCE AT 1.28 GEV

Abstract:
A (Kππ)+ mass enhancement is observed in the reactions K-p → Ξ -Ko+π+πo- when events with a small (K- → Ξ-) four momentum transfer squared are selected. The signal is also visible in the reaction K-p → Ξ-π++ neutrals. The enhancement, centered at 1.28 GeV, is seen to decay preferentially into Kρ{variant} with spin-parity JP = 1+. The cross section for K-p→ Ξ-C+(1.28) with C+ → Kρ{variant} at 4.15 GeV/c incident K- momentum is (6.2 ± 0.6) μb. © 1978.
Publication status:
Published

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Journal:
PHYSICS LETTERS B
Volume:
76
Issue:
4
Pages:
517-522
Publication date:
1978-01-01
DOI:
ISSN:
0370-2693
URN:
uuid:f245a544-f5f2-4dc5-8964-309941d55461
Source identifiers:
12152
Local pid:
pubs:12152
Language:
English

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