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Title | The Interaction Region of the Electron-Ion Collider EIC | |
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Abstract | This paper presents an overview of the Interaction Region (IR) design for the planned Electron-Ion Collider (EIC) at Brookhaven National Laboratory. The IR is designed to meet the requirements of the nuclear physics community *. The IR design features a ±4.5 m free space for the detector; a forward spectrometer magnet is used for the detection of hadrons scattered under small angles. The hadrons are separated from the neutrons allowing detection of neutrons up to ±4 mrad. On the rear side, the electrons are separated from photons using a weak dipole magnet for the luminosity monitor and to detect scattered electrons (e-tagger). To avoid synchrotron radiation backgrounds in the detector no strong electron bending magnet is placed within 40 m upstream of the IP. The magnet apertures on the rear side are large enough to allow synchrotron radiation to pass through the magnets. The beam pipe has been optimized to reduce the impedance; the total power loss in the central vacuum chamber is expected to be less than 90 W. To reduce risk and cost the IR is designed to employ standard NbTi superconducting magnets, which are described in a separate paper. | |
Footnotes & References | * An Assessment of U.S.-Based Electron-Ion Collider Science. (2018). Washington, D.C.: National Academies Press. https://doi.org/10.17226/25171 |
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Funding | Work supported by Brookhaven Science Associates, LLC under Contract No. DE-SC0012704 with the U.S. Department of Energy. | |
Paper | download WEPAB002.PDF [1.735 MB / 4 pages] | |
Export | download ※ BibTeX ※ LaTeX ※ Text/Word ※ RIS ※ EndNote | |
Conference | IPAC2021 | |
Series | International Particle Accelerator Conference (12th) | |
Location | Campinas, SP, Brazil | |
Date | 24-28 May 2021 | |
Publisher | JACoW Publishing, Geneva, Switzerland | |
Editorial Board | Liu Lin (LNLS, Campinas, Brazil); John M. Byrd (ANL, Lemont, IL, USA); Regis Neuenschwander (LNLS, Campinas, Brazil); Renan Picoreti (LNLS, Campinas, Brazil); Volker R. W. Schaa (GSI, Darmstadt, Germany) | |
Online ISBN | 978-3-95450-214-1 | |
Online ISSN | 2673-5490 | |
Received | 18 May 2021 | |
Accepted | 25 June 2021 | |
Issue Date | 31 August 2021 | |
DOI | doi:10.18429/JACoW-IPAC2021-WEPAB002 | |
Pages | 2574-2577 | |
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