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An enhancement at the ΣK threshold (1680) MeV observed in K- p reactions at 4.2 GeV/c

Abstract:
An enhancement in the (ΣK) mass spectrum at threshold is observed in K-p interactions at 4.2 GeV/c. It appeats both in the neutral and negative charge states. Corresponding ΛK mass distributions show weak evidence for an effect close to this threshold (∼1680 MeV). Although the interpretation of the (ΣK) enhancement by itself is ambiguous, a (ΣK)-(ΛK) coupled channel analysis gives results compatible with its interpretation as a new Ξ*. © 1978.

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Authors


Dionisi, C More by this author
Armenteros, R More by this author
Gavillet, P More by this author
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Journal:
Physics Letters B
Volume:
80
Issue:
1-2
Pages:
145-149
Publication date:
1978-12-18
DOI:
ISSN:
0370-2693
URN:
uuid:5bc105bc-4c47-4746-b6ea-6b6e47b0a1c5
Source identifiers:
345246
Local pid:
pubs:345246
Language:
English

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