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Production and decay properties of the D(1285) meson in K-p interactions at 4.2 GeV/c

Abstract:
We have studied the production and decay of the D(1285) meson in the reaction K-p→ ΛD at an incident K- momentum of 4.2 GeV/c. The cross section for this reaction is 11 ± 3 μb and the branching ratios D→ KKπ/D → ηππ and D → 4π/D → ηππ are found to be 0.42 ± 0.15 and 0.7 ± 0.5, respectively. The proportion of D → ηπ+π- going through the intermediate δ±π∓ states is 0.72 ± 0.15. Forward and backward exchange mechanisms are found to contribute in the ratio 3 : 2. © 1979.

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Authors


Gavillet, P More by this author
Armenteros, R More by this author
Dionisi, C More by this author
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Journal:
Nuclear Physics, Section B
Volume:
151
Issue:
C
Pages:
181-192
Publication date:
1979
DOI:
ISSN:
0550-3213
URN:
uuid:5cff233a-9ad4-4306-a898-4d248d1e1193
Source identifiers:
345245
Local pid:
pubs:345245
Language:
English

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