| Issue |
EPL
Volume 110, Number 4, May 2015
|
|
|---|---|---|
| Article Number | 42001 | |
| Number of page(s) | 5 | |
| Section | Nuclear Physics | |
| DOI | https://doi.org/10.1209/0295-5075/110/42001 | |
| Published online | 28 May 2015 | |
Stability of dibaryon (Ξ0Ξ−) in the quasiparticle model
1 Shanghai Institute of Applied Physics, Chinese Academy of Sciences - Shanghai 201800, China
2 Key Laboratory of Modern Acoustics and Department of Physics, Nanjing University - Nanjing 210093, China
(a) wuchenoffd@gmail.com
(b) xurenli.phy@gmail.com
Received: 15 March 2015
Accepted: 7 May 2015
In this work, we investigate the properties of the dibaryon (Ξ0Ξ−) within the framework of the quasiparticle model. The binding energy, the radius as well as the mean lifetime of (Ξ0Ξ−) are calculated. It is found that the dibaryon (Ξ0Ξ−) is metastable against strong and weak processes. The dependence of the stability of the strangelets on the model parameters is discussed. These results suggest that the (Ξ0Ξ−) dibaryon is a good candidate for being observed experimentally.
PACS: 25.75.-q – Relativistic heavy-ion collisions / 12.38.Mh – Quark-gluon plasma / 14.20.Pt – Exotic baryons
© EPLA, 2015
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