Simulation of 12C+12C elastic scattering at high energy by using the Monte Carlo method

  • The Monte Carlo method is used to simulate the 12C+12C reaction process. Taking into account the size of the incident 12C beam spot and the thickness of the 12C target, the distributions of scattered 12C on the MWPC and the CsI detectors at a detective distance have been simulated. In order to separate elastic scattering from the inelastic scattering with 4.4 MeV excited energy, we set several variables: the kinetic energy of incident 12C, the thickness of the 12C target, the ratio of the excited state, the wire spacing of the MWPC, the energy resolution of the CsI detector and the time resolution of the plastic scintillator. From the simulation results, the preliminary establishment of the experiment system can be determined to be that the beam size of the incident 12C is φ 5 mm, the incident kinetic energy is 200-400 A MeV, the target thickness is 2 mm, the ratio of the excited state is 20%, the ight distance of scattered 12C is 3 m, the energy resolution of the CsI detectors is 1%, the time resolution of the plastic scintillator is 0.5%, and the size of the CsI detectors is 7 cm×7 cm, and we need at least 16 CsI detectors to cover a 0° to 5° angular distribution.
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  • [1] Furumoto T, Sakuragi Y, Yamamoto Y. Phys. Rev. C,2010, 82: 0446122 Rijken T A, Yamamoto Y. Phys. Rev. C, 2006, 73: 0440083 Highland V L. Nucl. Instrum. Methods, 1975, 129: 4974 Highland V L. Nucl. Instrum. Methods, 1979, 161: 1715 Lynch G R, Dahl O I. Nucl. Instrum. Methods B, 1991,58: 6
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GUO Chen-Lei, ZHANG Gao-Long and LE Xiao-Yun. Simulation of 12C+12C elastic scattering at high energy by using the Monte Carlo method[J]. Chinese Physics C, 2012, 36(3): 205-209. doi: 10.1088/1674-1137/36/3/003
GUO Chen-Lei, ZHANG Gao-Long and LE Xiao-Yun. Simulation of 12C+12C elastic scattering at high energy by using the Monte Carlo method[J]. Chinese Physics C, 2012, 36(3): 205-209.  doi: 10.1088/1674-1137/36/3/003 shu
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Received: 2011-06-27
Revised: 1900-01-01
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Simulation of 12C+12C elastic scattering at high energy by using the Monte Carlo method

    Corresponding author: ZHANG Gao-Long,

Abstract: The Monte Carlo method is used to simulate the 12C+12C reaction process. Taking into account the size of the incident 12C beam spot and the thickness of the 12C target, the distributions of scattered 12C on the MWPC and the CsI detectors at a detective distance have been simulated. In order to separate elastic scattering from the inelastic scattering with 4.4 MeV excited energy, we set several variables: the kinetic energy of incident 12C, the thickness of the 12C target, the ratio of the excited state, the wire spacing of the MWPC, the energy resolution of the CsI detector and the time resolution of the plastic scintillator. From the simulation results, the preliminary establishment of the experiment system can be determined to be that the beam size of the incident 12C is φ 5 mm, the incident kinetic energy is 200-400 A MeV, the target thickness is 2 mm, the ratio of the excited state is 20%, the ight distance of scattered 12C is 3 m, the energy resolution of the CsI detectors is 1%, the time resolution of the plastic scintillator is 0.5%, and the size of the CsI detectors is 7 cm×7 cm, and we need at least 16 CsI detectors to cover a 0° to 5° angular distribution.

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