Dear Users,

The High Energy Photon Source (HEPS) is now calling for proposals for the second round of General Proposals in 2026 from users worldwide. The deadline for this round is 17:00, November 30^th, 2026, and experiments are expected to be scheduled starting from February 2027. All users are warmly welcome to apply!

Instructions：

1. All beamlines are accepting proposals. For detailed information about beamlines, please visit the HEPS website (https://heps.ihep.ac.cn/zzjs/gsxz/).

2. Proposal applicants: in-service scientific researchers (students and postdoctoral researchers cannot apply independently);

3. Validity period of the project: valid for 2 years from the date of approval; users may reserve beamtime in multiple sessions according to the total approved beamtime.

4. Contact details and open notes of each beamline are as follows:

5. For instructions on proposal applications, beamtime reservations, visit applications, and acknowledgment of user achievements, please refer to the Attachment 2 HEPS User Manual, visit the HEPS website (http://heps.ihep.ac.cn/user/) or scan the QR code below to obtain it.

6. To enhance the quality of HEPS open operations, we cordially invite you to fill out the following user feedback collection form. We will carefully consider every comment and suggestion you provide and will make improvements and refinements based on specific circumstances.

User feedback form link and QR code:

https://docs.ihep.ac.cn/link/BA4CCA44CB33E547C8848024DC6E2D3238

7. If you have any questions, please contact the HEPS User Office ( heps-user@ihep.ac.cn).