Hadronic Masses in Hot Matter in an Effective Chiral Lagrangian Approach

Chen Hong; Liu Bo

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2024年10月30日

Chinese Physics C> 1998, Vol. 22> Issue(5) : 466-474

Hadronic Masses in Hot Matter in an Effective Chiral Lagrangian Approach

Chen Hong ^, ,
Liu Bo

Department of Phycics, Southwest China Normal University, Chongqing 6307152 Institute of High Energy Phsics, The Chinese Academy of Sciences, Beijing 100039

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Abstract：
The thermal masses of hadrons are calculated in the effective chiral Lagrangian which reproduces the scaling anomaly of QCD. It is found that the thermal masses of constituent quark and scalar field decrease faster in one-loop approximation than in mean-field aproximation, whereas the pion at the chiral limit remains massless at all temperatures.

References

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Chen Hong and Liu Bo. Hadronic Masses in Hot Matter in an Effective Chiral Lagrangian Approach[J]. Chinese Physics C, 1998, 22(5): 466-474.

Chen Hong and Liu Bo. Hadronic Masses in Hot Matter in an Effective Chiral Lagrangian Approach[J]. Chinese Physics C, 1998, 22(5): 466-474. shu

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Received: 1900-01-01
Revised: 1900-01-01

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Hadronic Masses in Hot Matter in an Effective Chiral Lagrangian Approach

Chen Hong ^,
Liu Bo

Corresponding author: Chen Hong,

Department of Phycics, Southwest China Normal University, Chongqing 6307152 Institute of High Energy Phsics, The Chinese Academy of Sciences, Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1998-05-05

Abstract: The thermal masses of hadrons are calculated in the effective chiral Lagrangian which reproduces the scaling anomaly of QCD. It is found that the thermal masses of constituent quark and scalar field decrease faster in one-loop approximation than in mean-field aproximation, whereas the pion at the chiral limit remains massless at all temperatures.