The Mini-CAPTAIN liquid argon time projection chamber

CAPTAIN Collaboration,C. E. Taylor,B. Bhandari,J. Bian,K. Bilton, C. Callahan,J. Chaves,H. Chen, D. Cline,R. L. Cooper,D. L. Danielson,J. Danielson,N. Dokania, S. Elliot,S. Fernandes,S. Gardiner,G. Garvey,V. Gehman,F. Giuliani, S. Glavin,M. Gold,C. Grant,E. Guardincerri,T. Haines,A. Higuera, J. Y. Ji, R. Kadel,N. Kamp,A. Karlin,W. Ketchum, L. W. Koerner,D. Lee,K. Lee,Q. Liu,S. Locke,W. C. Louis, P. Madigan,A. Manalaysay,J. Maricic,E. Martin,M. J. Martinez,S. Martynenko,C. Mauger,C. McGrew,J. Medina,P. J. Medina, G. Mills, J. Mirabal-Martinez,A. Olivier, E. Pantic, B. Philipbar, C. Pitcher,V. Radeka,J. Ramsey,K. Rielage,M. Rosen,A. R. Sanchez,J. Shin,G. Sinnis,M. Smy,W. Sondheim,I. Stancu, C. Sterbenz,Y. Sun,R. Svoboda, A. Teymourian, C. Thorn,C. E. Tull,M. Tzanov,R. Van de Water,N. Walsh,H. Wang,Y. Wang,C. Yanagisawa, A. Yarritu,J. Yoo

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2021）

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摘要

This manuscript describes the commissioning of the Mini-CAPTAIN liquid argon detector in a neutron beam at the Los Alamos Neutron Science Center (LANSCE), which led to a first measurement of high-energy neutron interactions in argon. The Mini-CAPTAIN detector consists of a Time Projection Chamber (TPC) with an accompanying photomultiplier tube (PMT) array sealed inside a liquid-argon-filled cryostat. The liquid argon is constantly purified and recirculated in a closed-loop cycle during operation. The specifications and assembly of the detector subsystems and an overview of their performance in a neutron beam are reported.

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关键词

Liquid argon detector,Time projection chamber,Neutron measurement,Photon detection system

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