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MO2AA01 |
The Cool Copper Collider |
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- E.A. Nanni
SLAC, Menlo Park, California, USA
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A new concept for a low cost high efficiency linear collider based on LN2 cooled copper accelerator structures will be described. The collider is expected to have a performance similar to ILC with higher gradients allowing for the potential of higher energy reach at a substantially lower cost per GeV. The R&D status, expected performance, and future plans will be described.
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Slides MO2AA01 [6.522 MB]
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MO2AA02 |
LCLS-II Commissioning |
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- Y. Ding, C. Adolphsen, A. Brachmann, D. Gonnellapresenter, F. Zhou
SLAC, Menlo Park, California, USA
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The LCLS-II CW 4 GeV SRF linac will be commissioned during the Spring of 2022. Progress and challenges will be described.
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Slides MO2AA02 [8.099 MB]
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MO2AA03 |
The FLASHForward Experiment at DESY |
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- J. Chappell
Oxford University, Physics Department, Oxford, Oxon, United Kingdom
- R.T.P. D’Arcy, J. Osterhoff
DESY, Hamburg, Germany
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The FLASHForward experiment at DESY is a beamline built for electron-beam-driven plasma-wakefield acceleration. The drive beams, supplied by the linac of the free-electron laser FLASH, have energies of up to 1.40 GeV, a charge of up to 1 nC, emittance of a few mm mrad, a pulse duration down to 50 fs, and can be supplied at up to MHz repetition rates. In the future, FLASHForward aims to operate as a beam-quality-preserving, high efficiency, high-average-power plasma-based energy booster for FLASH. To achieve this, during its first data-taking period (2018-2021) novel techniques were developed to enable high-quality plasma wakefield acceleration at >GV/m accelerating gradients*. Further, the upper limits of the achievable repetition rate of plasma-based accelerators were explored for the first time with a view to demonstrating high-average-power (>kW) operation**. We report on recent experimental highlights and future plans for the facility.
* C. A. Lindstrom et al., Phys. Rev. Lett. 126, 014801 (2021)
** R. D’Arcy et al., Nature 603, 58-62 (2022)
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Slides MO2AA03 [26.068 MB]
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| MO2AA04 |
Electron Ion Collider Strong Hadron Cooling Injector and ERL |
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- E. Wang, W.F. Bergan, F.J. Willeke
BNL, Upton, New York, USA
- S.V. Benson, K.E. Deitrick
JLab, Newport News, Virginia, USA
- D. Douglas
Douglas Consulting, York, Virginia, USA
- C.M. Gulliford
Cornell University (CLASSE), Cornell Laboratory for Accelerator-Based Sciences and Education, Ithaca, New York, USA
- C.E. Mayes, N.W. Taylor
Xelera Research LLC, Ithaca, New York, USA
- J. Qiang
LBNL, Berkeley, California, USA
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Funding: The work is supported by Brookhaven Science Associates, LLC under Contract No. DESC0012704 with the U.S. Department of Energy.
Intra-beam Scattering (IBS) and other diffusion mechanisms in the EIC Hadron Storage Ring (HSR) degrade the beam emittances during a store, with growth times of about 2 hours at the nominal proton energies of 275GeV, 100 GeV, and 41 GeV. Strong Hadron Cooling (SHC) can maintain good hadron beam quality and high luminosity during long collision stores. A novel cooling method ’ Coherent electron Cooling (CeC) ’ is chosen as the baseline SHC method, due to its high cooling rates. An Energy Recovery Linac (ERL) is used to deliver an intense high-quality electron beam for cooling. In this paper, we discuss the beam requirements for SHC-CeC and describe the current status of the injector and ERL designs. Two designs of injector and ERL will be presented: one for dedicated SHC and another one for SHC with precooler.
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Slides MO2AA04 [4.436 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-LINAC2022-MO2AA04
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| About • |
Received ※ 23 August 2022 — Revised ※ 25 August 2022 — Accepted ※ 27 August 2022 — Issue date ※ 31 August 2022 |
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