Related papers: Some Experiences on BEPCII SRF System Operation

News from BESIII

BESIII is a new state-of-the-art 4pi detector at the recently upgraded BEPCII two-ring e+e- collider at the Institute of High Energy Physics in Beijing. It has been in operation for three years, during which time it has collected the…

Nuclear Experiment · Physics 2019-08-13 Stephen Lars Olsen

Status Report and Future Plans for the PEP-II B Factory

The PEP-II B Factory at SLAC has been in operation with the BABAR detector since the summer of 1999. The peak currents and luminosity steadily increased through the end of the 2000 run on October 31. By that time, 0.75 A of electrons (the…

Accelerator Physics · Physics 2007-05-23 Alan S. Fisher

A Cylindrical GEM Inner Tracker for the BESIII experiment at IHEP

The Beijing Electron Spectrometer III (BESIII) is a multipurpose detector that collects data provided by the collision in the Beijing Electron Positron Collider II (BEPCII), hosted at the Institute of High Energy Physics of Beijing. Since…

Instrumentation and Detectors · Physics 2018-07-03 R. Farinelli , M. Alexeev , A. Amoroso , F. Bianchi , M. Bertani , D. Bettoni , N. Canale , A. Calcaterra , V. Carassiti , S. Cerioni , J. Chai , S. Chiozzi , G. Cibinetto , A. Cotta Ramusino , F. Cossio , F. De Mori , M. Destefanis , T. Edisher , F. Evangelisti , L. Fava , G. Felici , E. Fioravanti , I. Garzia , M. Gatta , M. Greco , D. Jing , L. Lavezzi , C. Leng , H. Li , M. Maggiora , R. Malaguti , S. Marcello , M. Melchiorri , G. Mezzadri , G. Morello , S. Pacetti , P. Patteri , J. Pellegrino , A. Rivetti , M. D. Rolo , M. Savrie , M. Scodeggio , E. Soldani , S. Sosio , S. Spataro , L. Yang

Status report towards implementation of a Compton polarimeter at BEPCII

Precision beam polarization measurements based on Compton polarimeters are essential for the physics program of future high-energy colliders. In order to prepare for these and to extend the scope of physics measurements of the BESIII…

Accelerator Physics · Physics 2026-05-28 Mengyu Su , Zhe Duan , Jie Gao , Qingfu Han , Daheng Ji , Dazhang Li , Qi Li , Xiaodong Li , Yanchun Li , Zhijun Liang , Ge Lei , Zhonghui Ma , Aurélien Martens , Lingling Men , Xianjing Sun , Guangyi Tang , Huan Wang , Jianli Wang , Lin Wang , Qi Yang , Lingda Yu , Chenghui Yu , Jianyong Zhang , Wan Zhang , Yandong Zhang , Yuelei Zhang , Ningchuang Zhou , Dechong Zhu , Fabian Zomer

Design and testing of a bunch-by-bunch beam position transverse feedback processor

Shanghai Synchrotron Radiation Facility (SSRF) is a 3.5 GeV storage ring with a bunch rate of 499.654 MHz, harmonic number of 720, and circumference of 432 meters. SSRF injection works at 3.5 GeV, where the multi-bunch instabilities limit…

Instrumentation and Detectors · Physics 2019-07-10 Linsong Zhan , Lei Zhao , Jinxin Liu , Shubin Liu , Qi An

STCF Conceptual Design Report: Volume 1 -- Physics & Detector

The Super $\tau$-Charm facility (STCF) is an electron-positron collider proposed by the Chinese particle physics community. It is designed to operate in a center-of-mass energy range from 2 to 7 GeV with a peak luminosity of $0.5\times…

High Energy Physics - Experiment · Physics 2024-05-24 M. Achasov , X. C. Ai , R. Aliberti , L. P. An , Q. An , X. Z. Bai , Y. Bai , O. Bakina , A. Barnyakov , V. Blinov , V. Bobrovnikov , D. Bodrov , A. Bogomyagkov , A. Bondar , I. Boyko , Z. H. Bu , F. M. Cai , H. Cai , J. J. Cao , Q. H. Cao , Z. Cao , Q. Chang , K. T. Chao , D. Y. Chen , H. Chen , H. X. Chen , J. F. Chen , K. Chen , L. L. Chen , P. Chen , S. L. Chen , S. M. Chen , S. Chen , S. P. Chen , W. Chen , X. F. Chen , X. Chen , Y. Chen , Y. Q. Chen , H. Y. Cheng , J. Cheng , S. Cheng , J. P. Dai , L. Y. Dai , X. C. Dai , D. Dedovich , A. Denig , I. Denisenko , D. Z. Ding , L. Y. Dong , W. H. Dong , V. Druzhinin , D. S. Du , Y. J. Du , Z. G. Du , L. M. Duan , D. Epifanov , Y. L. Fan , S. S. Fang , Z. J. Fang , G. Fedotovich , C. Q. Feng , X. Feng , Y. T. Feng , J. L. Fu , J. Gao , P. S. Ge , C. Q. Geng , L. S. Geng , A. Gilman , L. Gong , T. Gong , W. Gradl , J. L. Gu , A. G. Escalante , L. C. Gui , F. K. Guo , J. C. Guo , J. Guo , Y. P. Guo , Z. H. Guo , A. Guskov , K. L. Han , L. Han , M. Han , X. Q. Hao , J. B. He , S. Q. He , X. G. He , Y. L. He , Z. B. He , Z. X. Heng , B. L. Hou , T. J. Hou , Y. R. Hou , C. Y. Hu , H. M. Hu , K. Hu , R. J. Hu , X. H. Hu , Y. C. Hu , J. Hua , G. S. Huang , J. S. Huang , M. Huang , Q. Y. Huang , W. Q. Huang , X. T. Huang , X. J. Huang , Y. B. Huang , Y. S. Huang , N. Hüsken , V. Ivanov , Q. P. Ji , J. J. Jia , S. Jia , Z. K. Jia , H. B. Jiang , J. Jiang , S. Z. Jiang , J. B. Jiao , Z. Jiao , H. J. Jing , X. L. Kang , X. S. Kang , B. C. Ke , M. Kenzie , A. Khoukaz , I. Koop , E. Kravchenko , A. Kuzmin , Y. Lei , E. Levichev , C. H. Li , C. Li , D. Y. Li , F. Li , G. Li , G. Li , H. B. Li , H. Li , H. N. Li , H. J. Li , H. L. Li , J. M. Li , J. Li , L. Li , L. Li , L. Y. Li , N. Li , P. R. Li , R. H. Li , S. Li , T. Li , W. J. Li , X. H. Li , X. Q. Li , X. H. Li , Y. Li , Y. Y. Li , Z. J. Li , H. Liang , J. H. Liang , G. R. Liao , L. Z. Liao , Y. Liao , C. X. Lin , X. S. Lin , B. J. Liu , C. W. Liu , D. Liu , F. Liu , G. M. Liu , H. B. Liu , J. Liu , J. J. Liu , J. B. Liu , K. Liu , K. Y. Liu , K. Liu , L. Liu , Q. Liu , S. B. Liu , T. Liu , X. Liu , Y. W. Liu , Y. Liu , Y. L. Liu , Z. Q. Liu , Z. Y. Liu , Z. W. Liu , I. Logashenko , Y. Long , C. G. Lu , N. Lu , Q. F. Lü , Y. Lu , Y. Lu , Z. Lv , P. Lukin , F. J. Luo , T. Luo , X. F. Luo , H. J. Lyu , X. R. Lyu , J. P. Ma , P. Ma , Y. Ma , F. Maas , S. Malde , D. Matvienko , Z. X. Meng , R. Mitchell , J. M. Dias , A. Nefediev , Y. Nefedov , S. L. Olsen , Q. Ouyang , P. Pakhlov , G. Pakhlova , X. Pan , Y. Pan , E. Passemar , Y. P. Pei , H. P. Peng , L. Peng , X. Y. Peng , X. J. Peng , K. Peters , S. Pivovarov , E. Pyata , B. B. Qi , Y. Q. Qi , W. B. Qian , Y. Qian , C. F. Qiao , J. J. Qin , J. J. Qin , L. Q. Qin , X. S. Qin , T. L. Qiu , J. Rademacker , C. F. Redmer , H. Y. Sang , M. Saur , W. Shan , X. Y. Shan , L. L. Shang , M. Shao , L. Shekhtman , C. P. Shen , J. M. Shen , Z. T. Shen , H. C. Shi , X. D. Shi , B. Shwartz , A. Sokolov , J. J. Song , W. M. Song , Y. Song , Y. X. Song , A. Sukharev , J. F. Sun , L. Sun , X. M. Sun , Y. J. Sun , Z. P. Sun , J. Tang , S. S. Tang , Z. B. Tang , C. H. Tian , J. S. Tian , Y. Tikhonov , K. Todyshev , T. Uglov , V. Vorobyev , B. D. Wan , B. L. Wang , B. Wang , D. Y. Wang , G. Y. Wang , G. L. Wang , H. L. Wang , J. Wang , J. H. Wang , J. C. Wang , M. L. Wang , R. Wang , S. B. Wang , W. Wang , W. P. Wang , X. C. Wang , X. D. Wang , X. L. Wang , X. L. Wang , X. P. Wang , X. F. Wang , Y. D. Wang , Y. P. Wang , Y. Q. Wang , Y. L. Wang , Y. G. Wang , Z. Y. Wang , Z. Y. Wang , Z. L. Wang , Z. G. Wang , D. H. Wei , X. L. Wei , X. M. Wei , Q. G. Wen , X. J. Wen , G. Wilkinson , B. Wu , J. J. Wu , L. Wu , P. W. Wu , T. W. Wu , Y. S. Wu , L. Xia , T. Xiang , C. W. Xiao , D. Xiao , M. Xiao , Y. H. Xie , Y. Xing , Z. Z. Xing , X. N. Xiong , F. R. Xu , J. Xu , L. L. Xu , Q. N. Xu , X. C. Xu , X. P. Xu , Y. C. Xu , Y. P. Xu , Y. Xu , Z. Z. Xu , D. W. Xuan , F. F. Xue , L. Yan , M. J. Yan , W. B. Yan , W. C. Yan , X. S. Yan , B. F. Yang , C. Yang , H. J. Yang , H. R. Yang , H. T. Yang , J. F. Yang , S. L. Yang , Y. D. Yang , Y. H. Yang , Y. S. Yang , Y. L. Yang , Z. Y. Yang , D. L. Yao , H. Yin , X. H. Yin , N. Yokozaki , S. Y. You , Z. Y. You , C. X. Yu , F. S. Yu , G. L. Yu , H. L. Yu , J. S. Yu , J. Q. Yu , L. Yuan , X. B. Yuan , Y. F. Yue , M. Zeng , S. Zeng , A. L. Zhang , B. W. Zhang , G. Y. Zhang , G. Q. Zhang , H. J. Zhang , H. B. Zhang , J. Y. Zhang , J. L. Zhang , J. Zhang , L. Zhang , L. M. Zhang , R. Zhang , S. L. Zhang , T. Zhang , X. Zhang , Y. Zhang , Y. X. Zhang , Y. T. Zhang , Y. F. Zhang , Y. C. Zhang , Y. Zhang , Y. Zhang , Y. M. Zhang , Y. L. Zhang , Z. H. Zhang , Z. Y. Zhang , Z. Y. Zhang , H. Y. Zhao , J. Zhao , L. Zhao , M. G. Zhao , Q. Zhao , R. G. Zhao , R. P. Zhao , Z. G. Zhao , Z. X. Zhao , A. Zhemchugov , B. Zheng , L. Zheng , Q. B. Zheng , R. Zheng , Y. H. Zheng , X. H. Zhong , H. J. Zhou , H. Q. Zhou , H. Zhou , S. H. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , Y. L. Zhou , Y. Zhou , Y. X. Zhou , Z. Y. Zhou , J. Y. Zhu , K. Zhu , R. D. Zhu , R. L. Zhu , S. H. Zhu , Y. C. Zhu , Z. A. Zhu , V. Zhukova , V. Zhulanov , B. S. Zou , Y. B. Zuo

RF Accelerator Technology R&D: Report of AF7-rf Topical Group to Snowmass 2021

Accelerator radio frequency (RF) technology has been and remains critical for modern high energy physics (HEP) experiments based on particle accelerators. Tremendous progress in advancing this technology has been achieved over the past…

Accelerator Physics · Physics 2022-08-29 Sergey Belomestnykh , Emilio A. Nanni , Hans Weise , Sergey V. Baryshev , Pashupati Dhakal , Rongli Geng , Bianca Giaccone , Chunguang Jing , Matthias Liepe , Xueying Lu , Tianhuan Luo , Ganapati Myneni , Alireza Nassiri , David Neuffer , Cho-Kuen Ng , Sam Posen , Sami Tantawi , Anne-Marie Valente-Feliciano , Jean-Luc Vay , Brandon Weatherford , Akira Yamamoto

Isospin violations at BESIII

At present very large data samples in the energy region of 2.0-4.6 GeV were accumulated by the BESIII detector, which is operated in the upgraded Beijing electron positron collider (BEPCII). These data samples provide an unprecedented…

High Energy Physics - Experiment · Physics 2019-10-18 Hongrong Qi , Wencheng Yan

Devices for high precision x-ray beam intensity monitoring on BSRF

Synchrotron radiation with the characteristic of high brilliance, high level of polarization, high collimation, low emittance and wide tunability in energy has been used as a standard source in metrology(1, 2). For a decade, lots of…

Instrumentation and Detectors · Physics 2019-08-17 LI Hua-Peng , Kun Tang , Yi-Dong Zhao , Lei Zheng , Shu-Hu Liu , Xiao-Liang Zhao , Ya-Shuai Zhao

Test of High Time Resolution MRPC with Different Readout Modes

In order to further enhance the particle identification capability of the Beijing Spectrometer (BESIII), it is proposed to upgrade the current end-cap time-of-flight (eTOF) detector with multi-gap resistive plate chamber (MRPC). The…

Instrumentation and Detectors · Physics 2014-12-16 S. Yang , Y. J. Sun , C. Li , Y. K. Heng , S. Qian , H. F. Chen , T. X. Chen , H. L. Dai , H. H. Fan , S. B. Liu , S. D. Liu , X. S. Jiang , M. Shao , Z. B. Tang , H. Zhang , Z. G. Zhao

Measurements of Hadron Form Factors at BESIII

BEPCII is a symmetric $e^+e^-$-collider located in Beijing running at center-of-mass energies between 2.0 and 4.6 GeV. This energy range allows the BESIII-experiment to measure hadron form factors both from direct $e^+e^-$-annihilation and…

High Energy Physics - Experiment · Physics 2016-06-24 Cristina Morales Morales

Light hyperon physics at the BESIII experiment

The BESIII experiment at the electron-positron collider BEPCII in Beijing (China) is successfully operating since 2008 and has collected large data samples in the tau-mass region, including the world's largest data samples at the $J/\psi$…

High Energy Physics - Experiment · Physics 2023-02-08 V. Batozskaya

The Next SRF Technologies

In this talk, I introduce the proposed next superconducting radio-frequency (SRF) technologies that will make it possible to achieve much higher accelerating electric field than the present SRF technologies. Audiences are assumed to be…

Accelerator Physics · Physics 2017-03-28 Takayuki Kubo

Current Status of the SANAEM RFQ Accelerator Beamline

The design and production studies of the proton beamline of SPP, which aims to acquire know-how on proton accelerator technology thru development of man power and serves as particle accelerator technologies test bench, continue at…

Accelerator Physics · Physics 2015-10-01 G. Turemen , B. Yasatekin , S. Ogur , V. Yildiz , O. Mete , S. Oz , A. Ozbey , H. Yildiz , F. Yaman , Y. Akgun , A. Alacakir , S. Bolukdemir , A. Bozbey , A. Sahin , G. Unel , S. Erhan

Optimization of Design Parameters for SPPC Longitudinal Dynamics

As the second stage of the CEPC-SPPC project, SPPC (Super Proton-Proton Collider) aims at exploring new physics beyond the Standard Model. The key design goal for the SPPC accelerator complex is to reach 75 TeV in center of mass energy with…

Accelerator Physics · Physics 2021-04-28 L. H. Zhang , J. Y. Tang , Y. Hong , Y. K. Chen , L. J. Wang

Superconducting RF cavity R&D for future accelerators

High-beta superconducting radiofrequency (SRF) elliptical cavities are being developed for several accelerator projects including Project X, the European XFEL, and the International Linear Collider (ILC). Fermilab has recently established…

Accelerator Physics · Physics 2009-10-23 C. M. Ginsburg

Status and Challenges for FCC-ee

We report the design status and beam dynamics challenges for the electron-positron branch of the Future Circular Collider (FCC) study, as of August 2015. After recalling motivation and physics requirements for the FCC-ee, we briefly discuss…

Accelerator Physics · Physics 2015-08-17 Michael Benedikt , Katsunobu Oide , Frank Zimmermann , Anton Bogomyagkov , Eugene Levichev , Mauro Migliorati , Uli Wienands

Towards Reliable Acceleration of High-energy and High-intensity Electron Beams

KEK electron linac was upgraded to 8 GeV for the KEK B-Factory (KEKB) project. During the commissioning of the upgraded linac, even continuing SOR ring injections, we had achieved a primary electron beam with 10-nC (6.24 x 10^10) per bunch…

Accelerator Physics · Physics 2018-09-10 K. Furukawa , Linac Commissioning Group

Baryon Electromagnetic Form Factors at BESIII

The electromagnetic form factors are fundamental observables that parametrise the electric and magnetic structure of hadrons and provide a key to the strong interaction. The Beijing Spectrometer (BESIII) is located at the Beijng Electron…

High Energy Physics - Experiment · Physics 2017-06-26 Cristina Morales Morales

The study of tuning system for BEPC II

Tuning system plays a very important role when superconducting cavity works. It cooperates with other control loops, to adjust the frequency of cavity with high precision, reduce the reflection power, guarantee the stability of beam and…

Accelerator Physics · Physics 2013-04-09 Mi Zhenghui , Sun Yi , Pan Weimin , Wang Guangwei , Li Zhongquan , Dai Jianping , Ma Qiang , Lin Haiying , Xu Bo , Huang Hong , Wang Qunyao , Xu Yufen , Zhao Guangyuan , Huang Tongming , Sha Peng , Zhang Xinying , Meng Fanbo , Li Han , Chen Xu , Zhao Danyang , Zhang Juan , Peng Yinghua