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LI Yong-qing, LI Xi-guo, #. The medium effect of △(1 232) in the nuclear matter[J]. Nuclear Physics Review, 2008, 25(4): 317-321. DOI: 10.11804/NuclPhysRev.25.04.317
Citation: LI Yong-qing, LI Xi-guo, #. The medium effect of △(1 232) in the nuclear matter[J]. Nuclear Physics Review, 2008, 25(4): 317-321. DOI: 10.11804/NuclPhysRev.25.04.317
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The medium effect of △(1 232) in the nuclear matter

  • 1 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; 2 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China; 3 Graduate School of Chinese Academy of Sciences, Beijing 100049, China

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  • Received Date: December 31, 1899
  • Revised Date: December 31, 1899
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  • Based on the chiral effective field theory (CHEFT), we study the effective mass and decay width of △(1 232) in the nuclear matter with the modified nucleon propagator. We find that the effective mass of △(1 232) decreases, while the decay width of △(1 232) increases with increasing the density of nuclear matter. And the decay width of △(1 232) mainly depends on the effective masses of nucleon and △(1 232)
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