Zhao Wei-Kuan, Zhang Ling, Cheng Yun-Xin, Zhou Cheng-Xi, Zhang Wen-Min, Duan Yan-Min, Hu Ai-Lan, Wang Shou-Xin, Zhang Feng-Ling, Li Zheng-Wei, Cao Yi-Ming, Liu Hai-Qing. Experimental study on up-down asymmetry of tungsten impurities in EAST tokamakJ. Acta Physica Sinica, 2024, 73(3): 035201. DOI: 10.7498/aps.73.20231448