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Precision measurement of the Ξ0 mass and the branching ratios of the decays Ξ0 → Λγ and Ξ0 → ∑0γ

Abstract:
A new precision measurement of the Ξ0 mass has been performed at the NA48 experiment at the CERN SPS. The value obtained is [1314.82±0.06 (stat.) ±0.2 (syst.)] MeV/c2. The branching ratios of Xi;0 radiative decays have been measured as: Br(Ξ0 → Λγ) = [1.90 ± 0.34(stat.) ± 0.19(syst.)] · 10-3 and Br(Ξ0 → ∑0γ) = [3.14 ± 0.76(stat.) ± 0.32(syst.)] · 10-3.

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Journal:
European Physical Journal C
Volume:
12
Issue:
1
Pages:
69-76
Publication date:
2000-01-01
ISSN:
1434-6044
URN:
uuid:045e0834-4a9b-45f2-9b4e-1fe6b8cc9704
Source identifiers:
345300
Local pid:
pubs:345300
Language:
English

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