Journal Article

PUBDB-2026-00215

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Design and construction of a cryogenic subcooler box for supplying supercritical helium to dark matter and gravitational wave experiments

Singh, U. R. (Corresponding author)DESY* ; Ramalingam, R.DESY* ; Reinhardt, C.DESY* ; Korth, O.DESY* ; Penning, J.DESY* ; Schaffran, J.DESY* ; Lindner, A.DESY*

2026
Elsevier Science Amsterdam [u.a.]

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Please use a persistent id in citations: doi:10.1016/j.cryogenics.2026.104383  doi:10.3204/PUBDB-2026-00215

Abstract: We report on the design, construction, and installation of the ALPS Cryo-Platform Subcooler Box (ACPS), which is part of the cryogenic platform being established at Deutsches Elektronen-Synchrotron (DESY) to supply helium for cooling large-scale dark matter and gravitational wave experiments with very high heat loads. The ACPS is capable of subcooling supercritical helium supplied via the 1.6-km-long HERA transfer line by means of a pipe heat exchanger immersed in a subcooler bath filled with liquid helium produced through Joule–Thomson valves. It is also equipped with numerous cryogenic components, including control valves, flow meters, and safety valves, enabling experimental operations to be carried out directly by the ACPS itself and thereby reducing the cryogenic requirements imposed on the experiments. To support a wide range of experiments, the ACPS provides three transfer lines that deliver different levels of cooling power.

Note: We contacted the publisher to correct the affiliation after the DESY rules.

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Contributing Institute(s):

1. Any Light Particle Search (ALPS)

Research Program(s):

1. 611 - Fundamental Particles and Forces (POF4-611) (POF4-611)
2. DFG project G:(GEPRIS)390833306 - EXC 2121: Das Quantisierte Universum II (390833306) (390833306)

Experiment(s):

1. Any Light Particle Search

Appears in the scientific report 2026

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Engineering, Computing and Technology ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; Essential Science Indicators ; IF < 5 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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