Recent Progress of the Compact Pulsed Hadron Source Project and Related Activities at Tsinghua University

Xuewu Wang (Tsinghua University, China)

The Compact Pulsed Hadron Source (CPHS), currently under construction at Tsinghua University, Beijing, China, will generate a yield of ~1013n/s epithermal-to-cold neutrons for education, instrumentation development, and industrial applications around the year of 2013. Here, we report the recent progress on the design, fabrication, and engineering of the 13MeV/16kW proton accelerator system, the neutron target station and neutron beamlines. The first goal is to achieve neutron production from 3-MeV protons on a Be target by the end of 2012, and the imaging station will be ready for neutrons in 2012 whereas the small-angle scattering instrument (SANS) will be built for the 13-MeV proton plus cold-neutron operation in 2013. We also report the related activities. A number of research activities, such as several types of neutron detectors, neutron monitor and bandwidth selection chopper, have been launched along with the construction of CPHS. The CPHS project is benefited by close collaboration with the international neutron community. On the domestic front, CPHS shares common interests in user-training, neutron-source R&D and industrial applications with a number of organizations. Next to the CPHS and within the building complex for the Scientific Facility for Advanced Quantum Probes is the Tsinghua Thomson-scattering X-ray source (TTX), which can also be considered as the compact version of large synchrotron x-ray facilities.

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