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Ω- produced in K-p reactions at 4.2 GeV/c

Abstract:

Forty Ω- events have been observed in a large (133 events/βb) experiment at 4.2 GeV/c incident K- momentum. Thirty nine of the events come from the three-body reaction K-p→Ω-K+K0. The Ω- is mainly produced in the forward hemisphere (direction of the incident K-). The lifetime is measured to be τ = (0.75 +0.14-0.11 × 10-10 sec substantially less than the Particle Data Group value of (1.3 -0.3+0.2) × 10-10 sec. The mass is determined to be 1671.7 ± 0.6 MeV, in good agreement with other determin...

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Authors


Hemingway, RJ More by this author
Armenteros, R More by this author
Dionisi, C More by this author
Gavillet, P More by this author
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Journal:
Nuclear Physics, Section B
Volume:
142
Issue:
3
Pages:
205-219
Publication date:
1978-09-25
DOI:
ISSN:
0550-3213
URN:
uuid:b23e3d84-a952-40c7-8a50-73d6644c93a8
Source identifiers:
345247
Local pid:
pubs:345247
Language:
English

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