Azimuthal Correlation Function and the Nuclear Equation of State

Wang Shan; Liu Yiming; Jiang Yuzhen; Chen Xiaofan; D. Keane; S. Y. Fung; S. Y. Chu

Chinese Physics C> 1990, Vol. 14> Issue(S4) : 361-366

Azimuthal Correlation Function and the Nuclear Equation of State

Department of Physics, Harbin Institute of Technology, Harbin, Heilongjiang, China;Department of Physics, Kent State University, Kent, OH 44242, USA;Department of Physics, University of California, Riverside, CA 92521, USA

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Collisions of 1.2 A GeV Ar on KCI in the Bevalac Streamer Chamber are studied using two methods:azimuthal distribution analysis and azimuthal correlation function analysis. Comparing with VUU (Vlasov-Uehling-Uhlenbeck) model predictions for different nuclear equations of state, the stiffness of the high density nuclear matter is estimated. The maximum azimuthal anisotropy inferred from the azimuthal distribution method is decreased by about 30% because of dispersion of the azimuthal angle of the reaction plane. This distortion can be eliminated by using the azimuthal correlation function analysis proposed in this paper.

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Wang Shan, Liu Yiming, Jiang Yuzhen, Chen Xiaofan, D. Keane, S. Y. Fung and S. Y. Chu. Azimuthal Correlation Function and the Nuclear Equation of State[J]. Chinese Physics C, 1990, 14(S4): 361-366.

Wang Shan, Liu Yiming, Jiang Yuzhen, Chen Xiaofan, D. Keane, S. Y. Fung and S. Y. Chu. Azimuthal Correlation Function and the Nuclear Equation of State[J]. Chinese Physics C, 1990, 14(S4): 361-366. shu

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Received: 1990-03-12

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Supported by the National Science Foundation of China and the United States Department of Energy.

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沈阳化工大学材料科学与工程学院沈阳 110142

Azimuthal Correlation Function and the Nuclear Equation of State

Department of Physics, Harbin Institute of Technology, Harbin, Heilongjiang, China;Department of Physics, Kent State University, Kent, OH 44242, USA;Department of Physics, University of California, Riverside, CA 92521, USA

Received Date: 1990-03-12

Fund Project: Supported by the National Science Foundation of China and the United States Department of Energy.

Abstract: Collisions of 1.2 A GeV Ar on KCI in the Bevalac Streamer Chamber are studied using two methods:azimuthal distribution analysis and azimuthal correlation function analysis. Comparing with VUU (Vlasov-Uehling-Uhlenbeck) model predictions for different nuclear equations of state, the stiffness of the high density nuclear matter is estimated. The maximum azimuthal anisotropy inferred from the azimuthal distribution method is decreased by about 30% because of dispersion of the azimuthal angle of the reaction plane. This distortion can be eliminated by using the azimuthal correlation function analysis proposed in this paper.