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First Experimental Data on a New SR Beamline of the VEPP-2000 Complex for the HL-LHC Vacuum System

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Abstract

In the framework of the large hadron collider (LHC) upgrade project, new materials are proposed for the vacuum. Amorphous carbon deposited onto the vacuum-chamber wall is examined as a coating with a low secondary electron emission rate for superconducting systems designed to upgrade the LHC, i.e., to increase the luminosity of the machine (HL-LHC). Since protons will generate synchrotron radiation with a critical energy of ~10 eV and a flux of 1016 photon m–1 s–1, it is important to study the effect of photons on a surface covered with amorphous carbon at room and cryogenic temperatures. The construction and parameters of the setup on the new synchrotron beamline of the VEPP-2000 booster are described. The first results of measuring the photodesorption coefficient are also presented.

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Authors and Affiliations

  1. Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia

    A. M. Semenov, V. V. Anashin, A. A. Zharikov, A. A. Krasnov, G. A. Fatkin & D. B. Shwartz

  2. Novosibirsk State Technical University, 630087, Novosibirsk, Russia

    A. M. Semenov

  3. Novosibirsk State University, 630090, Novosibirsk, Russia

    A. A. Krasnov & D. B. Shwartz

Authors
  1. A. M. Semenov
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  2. V. V. Anashin
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  3. A. A. Zharikov
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  4. A. A. Krasnov
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  5. G. A. Fatkin
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  6. D. B. Shwartz
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Correspondence to A. M. Semenov.

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Translated by L. Chernikova

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Semenov, A.M., Anashin, V.V., Zharikov, A.A. et al. First Experimental Data on a New SR Beamline of the VEPP-2000 Complex for the HL-LHC Vacuum System. J. Surf. Investig. 14, 13–16 (2020). https://doi.org/10.1134/S1027451020010140

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  • DOI: https://doi.org/10.1134/S1027451020010140

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