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Title: HighNESS conceptual design report: Volume I

Journal Article · · Journal of Neutron Research
DOI: https://doi.org/10.3233/JNR-230950 · OSTI ID:2448164
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  1. European Spallation Source (ESS), Lund (Sweden); Lund Univ. (Sweden)
  2. University of Milano-Bicocca (Italy)
  3. Ecole Polytechnique Federale Lausanne (EPFL) (Switzerland)
  4. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
  5. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Tel Aviv Univ., Tel Aviv (Israel)
  6. European Spallation Source (ESS), Lund (Sweden)
  7. Forschungszentrum Juelich (Germany)
  8. Columbia Univ., New York, NY (United States)
  9. Paul Scherrer Inst. (PSI), Villigen (Switzerland)
  10. Technical Univ. of Denmark, Lyngby (Denmark)
  11. Inst. Laue-Langevin (ILL), Grenoble (France)
  12. Mirrotron Ltd., Budapest (Hungary); HUN-REN Centre for Energy Research (HUN-REN EK-CER), Budapest (Hungary)
  13. HUN-REN Centre for Energy Research (HUN-REN EK-CER), Budapest (Hungary)
  14. Stockholm Univ. (Sweden)
  15. Technical Univ. of Munich (Germany)
  16. Sweco AB, Malmö (Sweden)
  17. European Spallation Source (ESS), Lund (Sweden); University of Milano-Bicocca (Italy)
  18. Chinese Academy of Sciences (CAS), Beijing (China). Inst. of High Energy Physics (IHEP); University of Science and Technology Beijing (China); Spallation Neutron Source Science Center, Dongguan (China)
  19. Univ. of Campinas (UNICAMP), Sao Paulo (Brazil)
  20. Univ. of Tennessee, Knoxville, TN (United States)
  21. ESS consultant, Oslo (Norway)
  22. Stockholm Univ. (Sweden); Lund Univ. (Sweden)
  23. Mirrotron Ltd., Budapest (Hungary)
  24. Universidade Federal Fluminense, Rio de Janiero (Brazil)
  25. Chalmers Tekniska Högskola (Sweden)
  26. Lund Univ. (Sweden)
  27. Paul Scherrer Institut (PSI), Villigen, Switzerland
  28. Helmholtz-Zentrum hereon GmbH, Geesthacht (Germany)
  29. Indiana Univ., Bloomington, IN (United States)
  30. European Spallation Source (ESS), Lund (Sweden); Technical Univ. of Denmark, Lyngby (Denmark)
  31. North Carolina State University, Raleigh, NC (United States)
  32. Uppsala Univ. (Sweden)
+ Show Author Affiliations

The European Spallation Source, currently under construction in Lund, Sweden, is a multidisciplinary international laboratory. Once completed to full specifications, it will operate the world’s most powerful pulsed neutron source. Supported by a 3 million Euro Research and Innovation Action within the EU Horizon 2020 program, a design study (HighNESS) has been completed to develop a second neutron source located below the spallation target. Compared to the first source, designed for high cold and thermal brightness, the new source has been optimized to deliver higher intensity, and a shift to longer wavelengths in the spectral regions of cold (CN, 2–20 Å), very cold (VCN, 10–120 Å), and ultracold (UCN, >500 Å) neutrons. The second source comprises a large liquid deuterium moderator designed to produce CN and support secondary VCN and UCN sources. Various options have been explored in the proposed designs, aiming for world-leading performance in neutronics. These designs will enable the development of several new instrument concepts and facilitate the implementation of a high-sensitivity neutron-antineutron oscillation experiment (NNBAR). This document serves as the Conceptual Design Report for the HighNESS project, representing its final deliverable.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
2448164
Journal Information:
Journal of Neutron Research, Journal Name: Journal of Neutron Research Vol. 25; ISSN 1023-8166
Publisher:
IOS PressCopyright Statement
Country of Publication:
United States
Language:
English

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