Paper | Title | Page |
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WEOAB02 | Record Performance of SRF Gun with CsK2Sb Photocathode | 2085 |
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Funding: Work supported by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy. High-gradient CW photo-injectors operating at high ac-celerating gradients promise to revolutionize many sci-ences and applications. They can establish the basis for super-bright monochromatic X-ray and gamma-ray sources, high luminosity hadron colliders, nuclear- waste transmutation or a new generation of microchip produc-tion. In this paper we report on our operation of a super-conducting RF electron gun with a record-high accelerat-ing gradient at the CsK2Sb photocathode (i.e. ~ 20 MV/m) generating a record-high bunch charge (i.e., 2 nC). We briefly describe the system and then detail our experimental results. |
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Slides WEOAB02 [28.500 MB] | |
DOI • | reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-WEOAB02 | |
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WEPMW027 | The ERL-based Design of Electron-Hadron Collider eRHIC | 2482 |
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Funding: Work supported by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy. Recent developments of the ERL-based design of future high luminosity electron-hadron collider eRHIC focused on balancing technological risks present in the design versus the design cost. As a result a lower risk design has been adopted at moderate cost increase. The modifications include a change of the main linac RF frequency, reduced number of SRF cavity types and modified electron spin transport using a spin rotator. A luminosity-staged approach is being explored with a Nominal design (L ~ 1033 cm-2 s-1) that employs reduced electron current and could possibly be based on classical electron cooling, and then with the Ultimate design (L > 1034 cm-2 s-1) that uses higher electron current and an innovative cooling technique (CeC). The paper describes the recent design modifications, and presents the full status of the eRHIC ERL-based design. |
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DOI • | reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-WEPMW027 | |
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WEPOY023 | Beam Dynamics Studies for Coherent Electron Cooling Experiment | 3032 |
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Funding: Work supported by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy. Coherent electron Cooling (CeC)* is a proposed advanced beam cooling method that has the potential to reduce the ion beam emittance in significantly shorter time compared to existing cooling methods. The newly constructed linear electron accelerator for the CeC experiment can generate electron beams with the required beam parameters for effective cooling. In this paper, we show simulation studies for the CEC linac by using the PARMELA** and ELEGANT*** beam dynamics tracking codes. * V.N.Litvinenko and Y.S.Derbenev, PRL 102, 114801 (2009) ** Lloyd M.Young, Parmela manual, Los Alamos National Laboratory *** M. Borland, Elegant, Argonne National Laboratory (2000) |
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DOI • | reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-WEPOY023 | |
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