A compensated multi-gap RPC with 2 m strips for the LEPS2 experiment

We have developed multi-gap resistive plate chambers (MRPCs) with 2.5×200 cm 2 readout strips for the time-of-flight (TOF) detector system of the LEPS2 experiment at SPring-8. These chambers consist of two float glass stacks with 5 gas gaps each, in a mirrored configuration. A time resolution of σ≃8...

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Bibliographic Details
Main Authors: Watanabe, Kento (Author) , Chen, Huangshan (Author)
Format: Article (Journal)
Language:English
Published: 11 February 2019
In: Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment
Year: 2019, Volume: 925, Pages: 188-192
ISSN:1872-9576
DOI:10.1016/j.nima.2019.02.014
Online Access:Verlag, Volltext: https://doi.org/10.1016/j.nima.2019.02.014
Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S0168900219301895
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Author Notes:K. Watanabe, S. Tanaka, W.C. Chang, H. Chen, M.L. Chu, J.J. Cuenca-García, T. Gogami, D. González-Díaz, M. Niiyama, Y. Ohashi, H. Ohnishi, N. Tomida, M. Yosoi
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Summary:We have developed multi-gap resistive plate chambers (MRPCs) with 2.5×200 cm 2 readout strips for the time-of-flight (TOF) detector system of the LEPS2 experiment at SPring-8. These chambers consist of two float glass stacks with 5 gas gaps each, in a mirrored configuration. A time resolution of σ≃80 ps was achieved for any position within a strip (at above 99% detection efficiency), improved to 60 ps after correcting for a relatively small time-charge slewing effect. This latter fact seems to stem from the suppression of modal dispersion, achieved through convenient design choices.
Item Description:Gesehen am 23.05.2019
Physical Description:Online Resource
ISSN:1872-9576
DOI:10.1016/j.nima.2019.02.014