The liquid-hydrogen absorber for MICE

V. Bayliss; J. Boehm; T. Bradshaw; M. Courthold; S. Harrison; M. Hills; P. Hodgson; S. Ishimoto; A. Kurup; W. Lau; K. Long; A. Nichols; D. Summers; M. Tucker; P. Warburton; S. Watson; C. Whyte

doi:10.1088/1748-0221/13/09/T09008

The liquid-hydrogen absorber for MICE

V. Bayliss, J. Boehm, T. Bradshaw, M. Courthold, S. Harrison, M. Hills, P. Hodgson, S. Ishimoto, A. Kurup, W. Lau, K. Long, A. Nichols, D. Summers, M. Tucker, P. Warburton, S. Watson, C. Whyte

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

The Muon Ionization Cooling Experiment (MICE) has been built at the STFC Rutherford Appleton Laboratory to demonstrate the principle of muon beam phase-space reduction via ionization cooling. Muon beam cooling will be required at a future proton-derived neutrino factory or muon collider. Ionization cooling is achieved by passing the beam through an energy-absorbing material, such as liquid hydrogen, and then re-accelerating the beam using RF cavities. This paper describes the hydrogen system constructed for MICE including: the liquid-hydrogen absorber, its associated cryogenic and gas systems, the control and monitoring system, and the necessary safety engineering. The performance of the system in cool-down, liquefaction, and stable operation is also presented.

Original language	English
Article number	T09008
Journal	Journal of Instrumentation
Volume	13
Issue number	9
DOIs	https://doi.org/10.1088/1748-0221/13/09/T09008
State	Published - Sep 21 2018
Externally published	Yes

Funding

The work described here was performed to deliver the liquid-hydrogen absorber system for the international Muon Ionization Cooling Experiment built at the STFC Rutherford Appleton Laboratory (RAL) in the U.K. We are indebted to the MICE collaboration for providing the motivation for, and the context within which, the work reported here was carried out. We would like to acknowledge the support and hospitality of FNAL, The Daresbury Laboratory, KEK, RAL, and the Universities of Mississippi and Oxford where designs, machining or test procedures were carried out. The work described here was made possible by grants from the Department of Energy and the National Science Foundation (U.S.A.), the Science and Technology Facilities Council (U.K.) and the Japan Society for the Promotion of Science. We gratefully acknowledge all sources of support. We are grateful for the support given to us by the staff of the STFC Rutherford Appleton and Daresbury Laboratories during the build, commissioning and operational phases of the project.

Funders	Funder number
Not added	ST/J001953/1, ST/L006359/1, ST/J001945/1, ST/K006134/1, ST/N003292/1, ST/P001149/1, ST/J002097/1, ST/P001114/1, ST/K003097/1, ST/N003357/1, ST/N003403/1, ST/P000878/1, ST/P001203/1, ST/K001604/1, ST/H000992/2, ST/N000242/1
National Science Foundation
U.S. Department of Energy
Science and Technology Facilities Council	ST/H000992/1, PP/E003192/1
Science and Technology Facilities Council
Japan Society for the Promotion of Science

Keywords

Accelerator Subsystems and Technologies
Beam Optics
Gas systems and purification

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10.1088/1748-0221/13/09/T09008

Cite this

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title = "The liquid-hydrogen absorber for MICE",

abstract = "The Muon Ionization Cooling Experiment (MICE) has been built at the STFC Rutherford Appleton Laboratory to demonstrate the principle of muon beam phase-space reduction via ionization cooling. Muon beam cooling will be required at a future proton-derived neutrino factory or muon collider. Ionization cooling is achieved by passing the beam through an energy-absorbing material, such as liquid hydrogen, and then re-accelerating the beam using RF cavities. This paper describes the hydrogen system constructed for MICE including: the liquid-hydrogen absorber, its associated cryogenic and gas systems, the control and monitoring system, and the necessary safety engineering. The performance of the system in cool-down, liquefaction, and stable operation is also presented.",

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AU - Bayliss, V.

AU - Boehm, J.

AU - Bradshaw, T.

AU - Courthold, M.

AU - Harrison, S.

AU - Hills, M.

AU - Hodgson, P.

AU - Ishimoto, S.

AU - Kurup, A.

AU - Lau, W.

AU - Long, K.

AU - Nichols, A.

AU - Summers, D.

AU - Tucker, M.

AU - Warburton, P.

AU - Watson, S.

AU - Whyte, C.

PY - 2018/9/21

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AB - The Muon Ionization Cooling Experiment (MICE) has been built at the STFC Rutherford Appleton Laboratory to demonstrate the principle of muon beam phase-space reduction via ionization cooling. Muon beam cooling will be required at a future proton-derived neutrino factory or muon collider. Ionization cooling is achieved by passing the beam through an energy-absorbing material, such as liquid hydrogen, and then re-accelerating the beam using RF cavities. This paper describes the hydrogen system constructed for MICE including: the liquid-hydrogen absorber, its associated cryogenic and gas systems, the control and monitoring system, and the necessary safety engineering. The performance of the system in cool-down, liquefaction, and stable operation is also presented.

KW - Accelerator Subsystems and Technologies

KW - Beam Optics

KW - Gas systems and purification

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The liquid-hydrogen absorber for MICE

Abstract

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Keywords

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