Chronicle of Events

Chronicle of Events



Nov. 17, 2023

HEPS Electron Beam Ramped Up to 6 GeV. 

June 5, 2023

HEPS Linear Accelerator Passes Performance Acceptance. 

Mar. 14, 2023

HEPS Achieves the First Electron Beam Accelerated to 500 MeV. 

Feb. 1, 2023

With the first magnet girder installed in tunnel, the storage ring installation began. 

Jan. 13, 2023

The booster vaccum-sealing in the tunnel completed.



Dec. 12, 2022

With building acceptance completed, HEPS entered the large-scale equipment installation phase.

Nov. 1, 2022

All four switching stations and eleven 10 kV transformer substations were put into operation.

Sep. 30, 2022

The pre-alignment of the booster installation cells completed.

Sep. 23, 2022

The Linac online RF conditioning completed.

Sep. 2, 2022

The 2nd meeting of HEPS STC was held in HUAIROU.

Aug. 9, 2022

Installation of the first hutch for the X-ray Absorption Spectroscopy Beamline began.

Aug. 8, 2022

The installation in the booster tunnel began.

Jul. 13, 2022

The kickoff meeting of the pre-alignment of the storage ring installation cells was held in NO.2 hall of PAPS.

May 12, 2022

The Linac Vacuum-sealing in the tunnel completed.



Dec. 14, 2021

Booster tunnel building moved to installation phase.

Nov. 30, 2021

294 sextupoles for storage ring passed factory acceptance tests.

Nov. 5, 2021

Optical design of the second set of (eight) beamlines for phase I completed.

Jun. 28, 2021

HEPS Installs First Piece of Accelerator Equipment in Linac Tunnel.

Jun. 27, 2021

Roof-sealing work for the main ring building completed.

Jun. 1, 2021

The construction of HEPS linac tunnel had been completed.

May 14, 2021

The batch processing of sextupole magnets for booster had been accomplished ahead of schedule.

Apr.13, 2021

Utility installation in NO.2 Hall commenced.

Mar. 20, 2021

The first 15 magnets had been transported to PAPS building, HUAIROU.



Nov. 13, 2020

TSV Pixel Array Detector Engineering Prototype Successfully Developed.

The TSV pixel array detector engineering prototype, composed of 18 modules, was manufactured successfully and the gap between the modules was reduced from 9mm to 2.5mm.

Aug.12, 2020

HEPS project work assignments were signed up.

July 29, 2020

Domestically Made High-performance WR1800 Waveguide Directional Coupler Passed Essential Tests.

May 29, 2020

The first dipole and sextupole magnets for booster were accomplished on schedule.

Apr. 13, 2020

Foundation replacement with C15 plain concrete moved into a second phase.

Feb. 13, 2020

HEPS project came back to civil construction on Feb.13, after the Spring Festival.

Feb.10, 2020

The appointment of  new HEPS project management was announced.



Jun. 29, 2019

  The HEPS began construction in Beijing's Huairou District on June 29, 2019.

May 22, 2019

The HEPS final budgetary was approval.

Mar. 14, 2019

The HEPS Environmental Impact Report was approved by the Beijing Ecological Environment Bureau.

Jan. 18, 2019

The preliminary design of HEPS was approved by Chinese Academy of Sciences.



Dec. 28, 2018

The HEPS feasibility study report was approved by the National Development and Reform Commission.

Oct. 26, 2018

Obtained the HEPS construction land planning permit.

Oct. 25, 2018

Acquired the reply of the Ministry of Natural Resources on the pre-inspection opinions on the construction land of high-energy synchrotron radiation source project.

Jul. 20, 2018

Chinese Academy of Sciences decided to establish the HEPS Engineering Science and Technology Committee.

Apr. 9, 2018

Chinese Academy of Sciences decided to establish the HEPS Engineering Managing department.

Jan. 31, 2018

HEPS stability evaluation report was approved by Huai’rou District.



Dec. 15, 2017

The HEPS project proposal was officially approved by the National Development and Reform Commission.

Sept. 5, 2017

The appraisal result of the HEPS project park planning and architectural design proposal were announced, and the top one plan from the China Electronics Engineering Design Institute, the “Scientific Aircraft Carrier” (later renamed “Microscopic World”), was selected for the feasibility report. The plan was submitted to Chinese Academy of Sciences and Beijing in Oct. 2017 and Jan. 2018 respectively, and was approved by the Beijing Municipal Government in Mar. 2018.

Mar. 6, 2017

The HEPS beamline station selection meeting was held to select 14 beamline stations for the first phase of construction.

Feb. 23-24, 2017

The HEPS civil concept design review meeting was held and the infrastructure design proposal for the HEPS project was selected.



Dec. 23, 2016

HEPS was included in the “13 th Five-Year Plan for Major National Science and Technology Infrastructure Construction”.

File Download: