Kaon Production and Flow in Relativistic Heavy-Ion Collisions

Li Qingfeng; Li Zhuxia

Chinese Physics C> 1998, Vol. 22> Issue(12) : 1119-1127

Kaon Production and Flow in Relativistic Heavy-Ion Collisions

Li Qingfeng ^, ,
Li Zhuxia

China Institute of Atomic Energy, Beijing 1024132 Departmen of Physics. Notrhwest University,Xu'an 7100693 Institute of Theoretical Physics, The Chinese Academy of Sciences, Beijing 100080

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Abstract：
The K⁺ production and flow in relahvistic heavy-ion collisions are investigated with the self-consistent relahvistic Boltzmann-Uehling-Uhlenbeck (RBUU) approach. The results show that the kaon flow is sensitive to both the kaonnucleon sigma term ∑_KNand the equation of state (EOS) of nuclear matter. We find that anti-flow appears at cerhan large impact parameter, which can provide more definite information of the magnitude of ∑_KN We have also analyzed the dependence of the total K⁺ production probability and the contributions from different channels on the EOS and the ∑_KN. The sensitivity to the nuclear equation of the state and ∑_KN is different for different channels. Overall, the contribution from N△ channel is the most important.

References

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Li Qingfeng and Li Zhuxia. Kaon Production and Flow in Relativistic Heavy-Ion Collisions[J]. Chinese Physics C, 1998, 22(12): 1119-1127.

Li Qingfeng and Li Zhuxia. Kaon Production and Flow in Relativistic Heavy-Ion Collisions[J]. Chinese Physics C, 1998, 22(12): 1119-1127. shu

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Received: 1998-03-28
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Kaon Production and Flow in Relativistic Heavy-Ion Collisions

Corresponding author: Li Qingfeng,

China Institute of Atomic Energy, Beijing 1024132 Departmen of Physics. Notrhwest University,Xu'an 7100693 Institute of Theoretical Physics, The Chinese Academy of Sciences, Beijing 100080

Received Date: 1998-03-28

Accepted Date: 1900-01-01

Available Online: 1998-12-05

Abstract: The K⁺ production and flow in relahvistic heavy-ion collisions are investigated with the self-consistent relahvistic Boltzmann-Uehling-Uhlenbeck (RBUU) approach. The results show that the kaon flow is sensitive to both the kaonnucleon sigma term ∑_KNand the equation of state (EOS) of nuclear matter. We find that anti-flow appears at cerhan large impact parameter, which can provide more definite information of the magnitude of ∑_KN We have also analyzed the dependence of the total K⁺ production probability and the contributions from different channels on the EOS and the ∑_KN. The sensitivity to the nuclear equation of the state and ∑_KN is different for different channels. Overall, the contribution from N△ channel is the most important.

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Kaon Production and Flow in Relativistic Heavy-Ion Collisions

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