Huizhou Hadron Spectrometer -- a Proposed High-rate Experimental Setup at the High Intensity Heavy-ion Accelerator Facility
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arXiv
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866914173654401024 |
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| author | Chen, Xurong Fan, Yunyun Fang, Shuangshi Feng, Zhao-Qing Guo, Feng-Kun Han, Weijia He, Jun He, Qinghua He, Xionghong Huang, Hongxia Kang, Xiaolin Ma, Hongli Ma, Weihu Ma, Yong-Liang Muramatsu, Norihito Mushtaq, Zaiba Niu, Xiaoyang Ping, Jialun Qiu, Hao Shi, Jun Tian, Ye Wang, Qian Wang, Rong Wang, Shuai-Chun Wang, Xiao-Yun Wu, Jia-Jun Xiao, Chuwen Xie, Ju-Jun Yang, Haibo Yu, Xieyang Zhang, Honglin Zhang, Shenghui Zhao, Chengxin Chao, Kuang-Ta Zhao, Qiang Zou, Bing-Song |
| author_facet | Chen, Xurong Fan, Yunyun Fang, Shuangshi Feng, Zhao-Qing Guo, Feng-Kun Han, Weijia He, Jun He, Qinghua He, Xionghong Huang, Hongxia Kang, Xiaolin Ma, Hongli Ma, Weihu Ma, Yong-Liang Muramatsu, Norihito Mushtaq, Zaiba Niu, Xiaoyang Ping, Jialun Qiu, Hao Shi, Jun Tian, Ye Wang, Qian Wang, Rong Wang, Shuai-Chun Wang, Xiao-Yun Wu, Jia-Jun Xiao, Chuwen Xie, Ju-Jun Yang, Haibo Yu, Xieyang Zhang, Honglin Zhang, Shenghui Zhao, Chengxin Chao, Kuang-Ta Zhao, Qiang Zou, Bing-Song |
| contents | The High-Intensity Heavy-Ion Accelerator Facility (HIAF), currently under construction in Huizhou, Guangdong Province, China, is projected to be completed by 2025. This facility will be capable of producing proton and heavy-ion beams with energies reaching several GeV, thereby offering a versatile platform for advanced fundamental physics research. Key scientific objectives include exploring physics beyond the Standard Model through the search for novel particles and interactions, testing fundamental symmetries, investigating exotic hadronic states such as di-baryons, pentaquark states and multi-strange hypernuclei, conducting precise measurements of hadron and hypernucleus properties, and probing the phase boundary and critical point of nuclear matter. To facilitate these investigations, we propose the development of a dedicated experimental apparatus at HIAF - the Huizhou Hadron Spectrometer (HHaS). This paper presents the conceptual design of HHaS, comprising a solenoid magnet, a five-dimensional silicon pixel tracker, a Low-Gain Avalanche Detector (LGAD) for time-of-flight measurements, and a Cherenkov-scintillation dual-readout electromagnetic calorimeter. The design anticipates an unprecedented event rate of 1-100 MHz, extensive particle acceptance, a track momentum resolution at 1% level, an electromagnetic energy resolution of ~3% @ 1 GeV and multi-particle identification capabilities. Such capabilities position HHaS as a powerful instrument for advancing experimental studies in particle and nuclear physics. The successful realization of HHaS is expected to significantly bolster the development of medium- and high-energy physics research within China. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_22864 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Huizhou Hadron Spectrometer -- a Proposed High-rate Experimental Setup at the High Intensity Heavy-ion Accelerator Facility Chen, Xurong Fan, Yunyun Fang, Shuangshi Feng, Zhao-Qing Guo, Feng-Kun Han, Weijia He, Jun He, Qinghua He, Xionghong Huang, Hongxia Kang, Xiaolin Ma, Hongli Ma, Weihu Ma, Yong-Liang Muramatsu, Norihito Mushtaq, Zaiba Niu, Xiaoyang Ping, Jialun Qiu, Hao Shi, Jun Tian, Ye Wang, Qian Wang, Rong Wang, Shuai-Chun Wang, Xiao-Yun Wu, Jia-Jun Xiao, Chuwen Xie, Ju-Jun Yang, Haibo Yu, Xieyang Zhang, Honglin Zhang, Shenghui Zhao, Chengxin Chao, Kuang-Ta Zhao, Qiang Zou, Bing-Song High Energy Physics - Experiment The High-Intensity Heavy-Ion Accelerator Facility (HIAF), currently under construction in Huizhou, Guangdong Province, China, is projected to be completed by 2025. This facility will be capable of producing proton and heavy-ion beams with energies reaching several GeV, thereby offering a versatile platform for advanced fundamental physics research. Key scientific objectives include exploring physics beyond the Standard Model through the search for novel particles and interactions, testing fundamental symmetries, investigating exotic hadronic states such as di-baryons, pentaquark states and multi-strange hypernuclei, conducting precise measurements of hadron and hypernucleus properties, and probing the phase boundary and critical point of nuclear matter. To facilitate these investigations, we propose the development of a dedicated experimental apparatus at HIAF - the Huizhou Hadron Spectrometer (HHaS). This paper presents the conceptual design of HHaS, comprising a solenoid magnet, a five-dimensional silicon pixel tracker, a Low-Gain Avalanche Detector (LGAD) for time-of-flight measurements, and a Cherenkov-scintillation dual-readout electromagnetic calorimeter. The design anticipates an unprecedented event rate of 1-100 MHz, extensive particle acceptance, a track momentum resolution at 1% level, an electromagnetic energy resolution of ~3% @ 1 GeV and multi-particle identification capabilities. Such capabilities position HHaS as a powerful instrument for advancing experimental studies in particle and nuclear physics. The successful realization of HHaS is expected to significantly bolster the development of medium- and high-energy physics research within China. |
| title | Huizhou Hadron Spectrometer -- a Proposed High-rate Experimental Setup at the High Intensity Heavy-ion Accelerator Facility |
| topic | High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2511.22864 |