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Conceptual Design Report of Super Tau-Charm Facility: The Accelerator

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Main Authors:	Bao, Jiancong, Bogomyagkov, Anton, Cao, Zexin, Chang, Mingxuan, Chen, Fangzhou, Chen, Guanghua, Chen, Qi, Chen, Qushan, Chen, Zhi, Fan, Kuanjun, Gong, Hailiang, Gu, Duan, Guo, Hao, Guo, Tengjun, He, Chongchao, He, Tianlong, Hou, Kaiwen, Hu, Hao, Hu, Tongning, Hu, Xiaocheng, Huang, Dazhang, Huang, Pengwei, Huang, Ruixuan, Huang, Zhicheng, Li, Hangzhou, Li, Renkai, Li, Sangya, Li, Weiwei, Li, Xuan, Li, Xunfeng, Liang, Yu, Liu, Chao, Liu, Tao, Liu, Xiaoyu, Liu, Xuyang, Liu, Yuan, Lv, Huihui, Luo, Qing, Luo, Tao, Skamarokha, Mikhail, Ma, Shaohang, Ma, Wenbin, Hosaka, Masahito, Miao, Xuece, Mo, Yihao, Ohmi, Kazuhito, Pang, Jian, Pei, Guoxi, Qi, Zhijun, Shang, Fenglei, Shang, Lei, Shi, Caitu, Sun, Kun, Sun, Li, Tang, Jingyu, Wang, Anxin, Wang, Chengzhe, Wang, Hongjin, Wang, Lei, Wang, Qian, Wang, Shengyuan, Wang, Shikang, Wang, Ziyu, Wei, Shaoqing, Wei, Yelong, Wu, Jun, Wu, Sang, Xie, Chunjie, Xiong, Ziyu, Xu, Xin, Yang, Jun, Yang, Penghui, Yang, Tao, Yin, Lixin, Yu, Chen, Yu, Ze, Yuan, Youjin, Zeng, Yifeng, Zhang, Ailin, Zhang, Haiyan, Zhang, Jialian, Zhang, Linhao, Zhang, Ning, Zhang, Ruiyang, Zhang, Xiaoyang, Zhang, Yihao, Zhao, Yangcheng, Zheng, Jingxin, Zhou, Demin, Zhou, Hao, Zhou, Yimei, Zhou, Zeran, Zhu, Bing, Zhu, Xinghao, Zhu, Zi'an, Zou, Ye
Format:	Preprint
Published:	2025
Subjects:	Accelerator Physics High Energy Physics - Experiment
Online Access:	Acceder al recurso
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_version_	1866914039577182208
author	Bao, Jiancong Bogomyagkov, Anton Cao, Zexin Chang, Mingxuan Chen, Fangzhou Chen, Guanghua Chen, Qi Chen, Qushan Chen, Zhi Fan, Kuanjun Gong, Hailiang Gu, Duan Guo, Hao Guo, Tengjun He, Chongchao He, Tianlong Hou, Kaiwen Hu, Hao Hu, Tongning Hu, Xiaocheng Huang, Dazhang Huang, Pengwei Huang, Ruixuan Huang, Zhicheng Li, Hangzhou Li, Renkai Li, Sangya Li, Weiwei Li, Xuan Li, Xunfeng Liang, Yu Liu, Chao Liu, Tao Liu, Xiaoyu Liu, Xuyang Liu, Yuan Lv, Huihui Luo, Qing Luo, Tao Skamarokha, Mikhail Ma, Shaohang Ma, Wenbin Hosaka, Masahito Miao, Xuece Mo, Yihao Ohmi, Kazuhito Pang, Jian Pei, Guoxi Qi, Zhijun Shang, Fenglei Shang, Lei Shi, Caitu Sun, Kun Sun, Li Tang, Jingyu Wang, Anxin Wang, Chengzhe Wang, Hongjin Wang, Lei Wang, Qian Wang, Shengyuan Wang, Shikang Wang, Ziyu Wei, Shaoqing Wei, Yelong Wu, Jun Wu, Sang Xie, Chunjie Xiong, Ziyu Xu, Xin Yang, Jun Yang, Penghui Yang, Tao Yin, Lixin Yu, Chen Yu, Ze Yuan, Youjin Zeng, Yifeng Zhang, Ailin Zhang, Haiyan Zhang, Jialian Zhang, Linhao Zhang, Ning Zhang, Ruiyang Zhang, Xiaoyang Zhang, Yihao Zhao, Yangcheng Zheng, Jingxin Zhou, Demin Zhou, Hao Zhou, Yimei Zhou, Zeran Zhu, Bing Zhu, Xinghao Zhu, Zi'an Zou, Ye
author_facet	Bao, Jiancong Bogomyagkov, Anton Cao, Zexin Chang, Mingxuan Chen, Fangzhou Chen, Guanghua Chen, Qi Chen, Qushan Chen, Zhi Fan, Kuanjun Gong, Hailiang Gu, Duan Guo, Hao Guo, Tengjun He, Chongchao He, Tianlong Hou, Kaiwen Hu, Hao Hu, Tongning Hu, Xiaocheng Huang, Dazhang Huang, Pengwei Huang, Ruixuan Huang, Zhicheng Li, Hangzhou Li, Renkai Li, Sangya Li, Weiwei Li, Xuan Li, Xunfeng Liang, Yu Liu, Chao Liu, Tao Liu, Xiaoyu Liu, Xuyang Liu, Yuan Lv, Huihui Luo, Qing Luo, Tao Skamarokha, Mikhail Ma, Shaohang Ma, Wenbin Hosaka, Masahito Miao, Xuece Mo, Yihao Ohmi, Kazuhito Pang, Jian Pei, Guoxi Qi, Zhijun Shang, Fenglei Shang, Lei Shi, Caitu Sun, Kun Sun, Li Tang, Jingyu Wang, Anxin Wang, Chengzhe Wang, Hongjin Wang, Lei Wang, Qian Wang, Shengyuan Wang, Shikang Wang, Ziyu Wei, Shaoqing Wei, Yelong Wu, Jun Wu, Sang Xie, Chunjie Xiong, Ziyu Xu, Xin Yang, Jun Yang, Penghui Yang, Tao Yin, Lixin Yu, Chen Yu, Ze Yuan, Youjin Zeng, Yifeng Zhang, Ailin Zhang, Haiyan Zhang, Jialian Zhang, Linhao Zhang, Ning Zhang, Ruiyang Zhang, Xiaoyang Zhang, Yihao Zhao, Yangcheng Zheng, Jingxin Zhou, Demin Zhou, Hao Zhou, Yimei Zhou, Zeran Zhu, Bing Zhu, Xinghao Zhu, Zi'an Zou, Ye
contents	Electron-positron colliders operating in the GeV region of center-of-mass energies or the Tau-Charm energy region, have been proven to enable competitive frontier research, due to its several unique features. With the progress of high energy physics in the last two decades, a new-generation Tau-Charm factory, Super Tau Charm Facility (STCF) has been actively promoting by the particle physics community in China. STCF holds great potential to address fundamental questions such as the essence of color confinement and the matter-antimatter asymmetry in the universe in the next decades. The main design goals of STCF are with a center-of-mass energy ranging from 2 to 7 GeV and a peak luminosity surpassing 5*10^34 cm^-2s^-1 that is optimized at a center-of-mass energy of 4 GeV, which is about 50 times that of the currently operating Tau-Charm factory - BEPCII. The STCF accelerator is composed of two main parts: a double-ring collider with the crab-waist collision scheme and an injector that provides top-up injections for both electron and positron beams. As a typical third-generation electron-positron circular collider, the STCF accelerator faces many challenges in both accelerator physics and technology. In this paper, the conceptual design of the STCF accelerator complex is presented, including the ongoing efforts and plans for technological R&D, as well as the required infrastructure. The STCF project aims to secure support from the Chinese central government for its construction during the 15th Five-Year Plan (2026-2030) in China.
format	Preprint
id	arxiv_https___arxiv_org_abs_2509_11522
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Conceptual Design Report of Super Tau-Charm Facility: The Accelerator Bao, Jiancong Bogomyagkov, Anton Cao, Zexin Chang, Mingxuan Chen, Fangzhou Chen, Guanghua Chen, Qi Chen, Qushan Chen, Zhi Fan, Kuanjun Gong, Hailiang Gu, Duan Guo, Hao Guo, Tengjun He, Chongchao He, Tianlong Hou, Kaiwen Hu, Hao Hu, Tongning Hu, Xiaocheng Huang, Dazhang Huang, Pengwei Huang, Ruixuan Huang, Zhicheng Li, Hangzhou Li, Renkai Li, Sangya Li, Weiwei Li, Xuan Li, Xunfeng Liang, Yu Liu, Chao Liu, Tao Liu, Xiaoyu Liu, Xuyang Liu, Yuan Lv, Huihui Luo, Qing Luo, Tao Skamarokha, Mikhail Ma, Shaohang Ma, Wenbin Hosaka, Masahito Miao, Xuece Mo, Yihao Ohmi, Kazuhito Pang, Jian Pei, Guoxi Qi, Zhijun Shang, Fenglei Shang, Lei Shi, Caitu Sun, Kun Sun, Li Tang, Jingyu Wang, Anxin Wang, Chengzhe Wang, Hongjin Wang, Lei Wang, Qian Wang, Shengyuan Wang, Shikang Wang, Ziyu Wei, Shaoqing Wei, Yelong Wu, Jun Wu, Sang Xie, Chunjie Xiong, Ziyu Xu, Xin Yang, Jun Yang, Penghui Yang, Tao Yin, Lixin Yu, Chen Yu, Ze Yuan, Youjin Zeng, Yifeng Zhang, Ailin Zhang, Haiyan Zhang, Jialian Zhang, Linhao Zhang, Ning Zhang, Ruiyang Zhang, Xiaoyang Zhang, Yihao Zhao, Yangcheng Zheng, Jingxin Zhou, Demin Zhou, Hao Zhou, Yimei Zhou, Zeran Zhu, Bing Zhu, Xinghao Zhu, Zi'an Zou, Ye Accelerator Physics High Energy Physics - Experiment Electron-positron colliders operating in the GeV region of center-of-mass energies or the Tau-Charm energy region, have been proven to enable competitive frontier research, due to its several unique features. With the progress of high energy physics in the last two decades, a new-generation Tau-Charm factory, Super Tau Charm Facility (STCF) has been actively promoting by the particle physics community in China. STCF holds great potential to address fundamental questions such as the essence of color confinement and the matter-antimatter asymmetry in the universe in the next decades. The main design goals of STCF are with a center-of-mass energy ranging from 2 to 7 GeV and a peak luminosity surpassing 5*10^34 cm^-2s^-1 that is optimized at a center-of-mass energy of 4 GeV, which is about 50 times that of the currently operating Tau-Charm factory - BEPCII. The STCF accelerator is composed of two main parts: a double-ring collider with the crab-waist collision scheme and an injector that provides top-up injections for both electron and positron beams. As a typical third-generation electron-positron circular collider, the STCF accelerator faces many challenges in both accelerator physics and technology. In this paper, the conceptual design of the STCF accelerator complex is presented, including the ongoing efforts and plans for technological R&D, as well as the required infrastructure. The STCF project aims to secure support from the Chinese central government for its construction during the 15th Five-Year Plan (2026-2030) in China.
title	Conceptual Design Report of Super Tau-Charm Facility: The Accelerator
topic	Accelerator Physics High Energy Physics - Experiment
url	https://arxiv.org/abs/2509.11522