The medium effect of △(1 232) in the nuclear matter

LI  Yong-qing; LI  Xi-guo; #

doi:10.11804/NuclPhysRev.25.04.317

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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

The medium effect of △(1 232) in the nuclear matter

doi: 10.11804/NuclPhysRev.25.04.317

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

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2008-12-20

Abstract

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)
- △(1 232),
- decay width,
- effective mass,
- chiral effective field theory
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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The medium effect of △(1 232) in the nuclear matter

doi: 10.11804/NuclPhysRev.25.04.317

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

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2008-12-20

Key words:

Abstract: 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)

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