| Paper |
Title |
Page |
| MOPMA014 |
Design of Superconducting CW linac for PIP-II |
565 |
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- A. Saini, V.A. Lebedev, J.-F. Ostiguy, N. Solyak, V.P. Yakovlev
Fermilab, Batavia, Illinois, USA
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Proton Improvement Plan (PIP) -II is a proposed roadmap to upgrade existing proton accelerator complex at Fermilab. It is primarily based on construction of superconducting (SC) linear accelerator (linac) that would be capable to operate in continuous wave (CW) mode. This paper will present reference design of SC linac and discuss motivations and requirements resulting in this layout and beam optics.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2015-MOPMA014
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| TUPJE081 |
Model of Dark Current in SRF Linac |
1834 |
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- A.I. Sukhanov, A. Saini, N. Solyak, I.S. Tropin
Fermilab, Batavia, Illinois, USA
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Currently, few linacs based on 9-cell TESLA-type SRF cavities are being designed or bult, including XEFL, LCLS-II and ILC. Dark current electron generated by field emission in SRF cavities can be captured and accelerated in the linac up to hundreds MeV before they removed by focusing magnets. Lost dark current electrons interact with the materials surrounding SRF cavities and magnets, produce electromagnetic showers and contribute to the radiation in the linac tunnel. In this paper we present a model of dark current in a linac based on TESLA cavities. We show preliminary results of the simulation applied to ILC main linac.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2015-TUPJE081
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| WEPTY031 |
Estimation of Cryogenic Heat Loads in Cryomodule due to Thermal Radiation |
3338 |
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- A. Saini, V.A. Lebedev, N. Solyak, V.P. Yakovlev
Fermilab, Batavia, Illinois, USA
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Cryogenic system is one of major cost drivers in high intensity superconducting (SC) continuous wave (CW) accelerators. Thermal radiations coming through the warm-ends of cryomodule and room temperature parts of the power coupler result in additional cryogenic heat loads. Excessive heat load in 2K environment may degrade overall performance of the cavity. In this paper we present studies performed to estimate additional heat load at 2K due to thermal radiation in 650 MHz cavity cryomodule in high energy section of PIP-II SC linac.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2015-WEPTY031
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