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Title: Final Design Report. Proton Power Upgrade Project

Technical Report ·
DOI:https://doi.org/10.2172/1784163· OSTI ID:1784163
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  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Phoenix, LLC. Fitchburg, WI (United States)
  3. Institute of Modern Physics (IMP). Chinese Academy of Sciences (CAS), Lanzhou (CHINA)
+ Show Author Affiliations

Oak Ridge National Laboratory (ORNL) operates and develops world-leading neutron scattering user facilities as centers of scientific excellence, attracting the best researchers from universities, industry, and national laboratories to advance scientific discovery and solve challenging technology problems that are best addressed using neutrons. As the first megawatt-class pulsed neutron source, the ORNL Spallation Neutron Source (SNS) generates the world’s most intense, highest-peak-brightness neutron beams, providing US researchers with capabilities that are unique in the world. The use of SNS beam lines now generates about twice as many high-impact publications per neutron scattering instrument as the next-highest peer neutron facility. The Proton Power Upgrade (PPU) project is critical to keep SNS at the international forefront and ensure continued leadership by maximizing the neutron flux available at the First Target Station (FTS) and providing the capability to drive a Second Target Station (STS). The PPU will upgrade the SNS accelerator complex to double its current proton beam power capability—from 1.4 to 2.8 MW. The 2 MW delivered to the FTS will improve performance across the entire existing and future instrument suite, and the future STS would provide a wholly new capability in the form of a transformative new source optimized to produce the world’s highest peak brightness of cold neutrons.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
DOE Contract Number:
AC05-00OR22725
OSTI ID:
1784163
Report Number(s):
ORNL/TM-2020/1570; PPUP-101-TD0001; TRN: US2216146
Country of Publication:
United States
Language:
English

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