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Observation of an Excited Ω− Baryon
- Source :
- Physical Review Letters. 121
- Publication Year :
- 2018
- Publisher :
- American Physical Society (APS), 2018.
-
Abstract
- Using data recorded with the Belle detector, we observe a new excited hyperon, an Ω*- candidate decaying into Ξ0K- and Ξ-KS0 with a mass of 2012.4±0.7(stat)±0.6(syst) MeV/c2 and a width of Γ=6.4-2.0+2.5(stat)±1.6(syst) MeV. The Ω*- is seen primarily in ϒ(1S),ϒ(2S), and ϒ(3S) decays.
Details
- ISSN :
- 10797114 and 00319007
- Volume :
- 121
- Database :
- OpenAIRE
- Journal :
- Physical Review Letters
- Accession number :
- edsair.doi...........de50a5434911f45674f9b9634b619852
- Full Text :
- https://doi.org/10.1103/physrevlett.121.052003