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MULTI-LAMBDA MATTER IN A CHIRAL HADRONIC MODEL |
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| Authors: | Guo Hu Yang Shu Hu Xiang and Liu Yu-xin |
| Institution: | Department of Technical Physics and Key Laboratory of Heavy Ion Physics, Chinese Ministry of Education, Peking University, Beijing 100871, China; Department of Physics, Peking University, Beijing 100871, China; Centre of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China; Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China; China Centre of Advanced Science and Technology (CCAST), Beijing 100080, China |
| Abstract: | Multi-lambda matter is investigated in the framework of a chiral hadronic model. It is shown that multi-lambda matter consisting of {N,Λ} is a metastable state as the strangeness per baryon and the density of hadronic matter are varied. The effective lambda mass decreases as the baryon density increases, and remains larger than that of the nucleon. |
| Keywords: | nuclear matter a chiral Lagrangian strange hadronic matter |
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