Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2017, Vol. 28 ›› Issue (12): 182 doi: 10.1007/s41365-017-0337-1

Special Issue: Special Section on the Celebration of Prof. Nauowitz's 80th Birthday

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Electromagnetic field effects on nucleon transverse momentum for heavy ion collisions around 100 A MeV

Xian-Gai Deng 1,2, Yu-Gang Ma 1,3   

  1. 1 Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
    2 University of Chinese Academy of Sciences, Beijing 100049, China
    3 ShanghaiTech University, Shanghai 200031, China
  • Contact: Yu-Gang Ma E-mail:ygma@sinap.ac.cn
  • Supported by:
    This work was supported by the National Natural Science Foundation of China (Nos. 11421505, 11305239, and 11220101005), the Major State Basic Research Development Program in China (No. 2014CB845401), the Key Research Program of Frontier Sciences of CAS (No. QYZDJSSW-SLH002), and the Strategic Priority Research Program of the Chinese Academy of Sciences (No. XDB16).
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Xian-Gai Deng, Yu-Gang Ma. Electromagnetic field effects on nucleon transverse momentum for heavy ion collisions around 100 A MeV.Nuclear Science and Techniques, 2017, 28(12): 182     doi: 10.1007/s41365-017-0337-1

Abstract:

With taking electromagnetic field into account for the transport model of Boltzmann-Uehling-Uhlenbeck, electromagnetic effects are studied for 208Pb+208Pb208Pb+208Pb collisions around 100A MeV. Electromagnetic field evolution during the collisions was estimated. It was found that the electric field has an obvious effect on the transverse momentum ( pTpT ) spectra of nucleons during heavy ion collisions, and leads to different minimum position for the peak of pTpT spectra of nucleons versus beam energy when the electric field is switched on. For the magnetic field, it affects the z-axis direction distributions of nucleons for central heavy ion collisions at lower energy.

Key words: Heavy ion collision, Electromagnetic field, Transverse momentum