A vacuum tolerant high voltage system with a low noise and low power Cockcroft-Walton photomultiplier base

T. Masuda; E. Iwai; N. Kawasaki; E. J. Kim; T. K. Komatsubara; J. W. Lee; G. Y. Lim; Y. Maeda; D. Naito; H. Nanjo; T. Nomura; Y. D. Ri; N. Sasao; K. Sato; S. Seki; K. Shiomi; Y. Sugiyama; M. Togawa; H. Watanabe; T. Yamanaka

doi:10.1016/j.nima.2014.02.007

A vacuum tolerant high voltage system with a low noise and low power Cockcroft-Walton photomultiplier base

T. Masuda
, E. Iwai
, N. Kawasaki
, E. J. Kim
, T. K. Komatsubara
, J. W. Lee
, G. Y. Lim
, Y. Maeda
, D. Naito
, H. Nanjo
, T. Nomura
, Y. D. Ri
, N. Sasao
, K. Sato
, S. Seki
, K. Shiomi
, Y. Sugiyama
, M. Togawa
, H. Watanabe
, T. Yamanaka

Research Institute for Interdisciplinary Science

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

6 Citations (Scopus)

Abstract

We developed a high voltage system for the electromagnetic calorimeter of the KOTO detector. The system is designed around a low noise, low power Cockcroft-Walton (CW) photomultiplier tube base with a high gain preamplifier. The low power makes it suitable for operations in vacuum. The low noise and high gain allow detecting signals in the 1 MeV range. We achieved a final noise level below 180μ^Vrms for a preamplifier gain of more than 40. A vacuum tolerant control system for the CW bases power distribution was also designed. This system is able to control and monitor the high voltage of each individual base.

Original language	English
Pages (from-to)	11-19
Number of pages	9
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	746
DOIs	https://doi.org/10.1016/j.nima.2014.02.007
Publication status	Published - May 11 2014

Keywords

CW base
Calorimeter
J-PARC
KOTO
Photomultiplier tube

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nima.2014.02.007

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Masuda, T., Iwai, E., Kawasaki, N., Kim, E. J., Komatsubara, T. K., Lee, J. W., Lim, G. Y., Maeda, Y., Naito, D., Nanjo, H., Nomura, T., Ri, Y. D., Sasao, N., Sato, K., Seki, S., Shiomi, K., Sugiyama, Y., Togawa, M., Watanabe, H., & Yamanaka, T. (2014). A vacuum tolerant high voltage system with a low noise and low power Cockcroft-Walton photomultiplier base. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 746, 11-19. https://doi.org/10.1016/j.nima.2014.02.007

A vacuum tolerant high voltage system with a low noise and low power Cockcroft-Walton photomultiplier base. / Masuda, T.; Iwai, E.; Kawasaki, N. et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 746, 11.05.2014, p. 11-19.

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

Masuda, T, Iwai, E, Kawasaki, N, Kim, EJ, Komatsubara, TK, Lee, JW, Lim, GY, Maeda, Y, Naito, D, Nanjo, H, Nomura, T, Ri, YD, Sasao, N, Sato, K, Seki, S, Shiomi, K, Sugiyama, Y, Togawa, M, Watanabe, H & Yamanaka, T 2014, 'A vacuum tolerant high voltage system with a low noise and low power Cockcroft-Walton photomultiplier base', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 746, pp. 11-19. https://doi.org/10.1016/j.nima.2014.02.007

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abstract = "We developed a high voltage system for the electromagnetic calorimeter of the KOTO detector. The system is designed around a low noise, low power Cockcroft-Walton (CW) photomultiplier tube base with a high gain preamplifier. The low power makes it suitable for operations in vacuum. The low noise and high gain allow detecting signals in the 1 MeV range. We achieved a final noise level below 180μVrms for a preamplifier gain of more than 40. A vacuum tolerant control system for the CW bases power distribution was also designed. This system is able to control and monitor the high voltage of each individual base.",

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author = "T. Masuda and E. Iwai and N. Kawasaki and Kim, \{E. J.\} and Komatsubara, \{T. K.\} and Lee, \{J. W.\} and Lim, \{G. Y.\} and Y. Maeda and D. Naito and H. Nanjo and T. Nomura and Ri, \{Y. D.\} and N. Sasao and K. Sato and S. Seki and K. Shiomi and Y. Sugiyama and M. Togawa and H. Watanabe and T. Yamanaka",

note = "Funding Information: We would like to express our gratitude to Matsusada Precision Inc. for their continuous discussions and support on technical matters during the design and production of the CW bases. This research was supported by KEK, MEXT KAKENHI Grant number 18071006 , the Japan/US Cooperation Program, Korea NRF ( 2012-004554 ), and Taiwan NSC . Some of the authors were supported by Grant-in-Aid for JSPS Fellows from the Japan Society for the Promotion of Science . ",

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doi = "10.1016/j.nima.2014.02.007",

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T1 - A vacuum tolerant high voltage system with a low noise and low power Cockcroft-Walton photomultiplier base

AU - Masuda, T.

AU - Iwai, E.

AU - Kawasaki, N.

AU - Kim, E. J.

AU - Komatsubara, T. K.

AU - Lee, J. W.

AU - Lim, G. Y.

AU - Maeda, Y.

AU - Naito, D.

AU - Nanjo, H.

AU - Nomura, T.

AU - Ri, Y. D.

AU - Sasao, N.

AU - Sato, K.

AU - Seki, S.

AU - Shiomi, K.

AU - Sugiyama, Y.

AU - Togawa, M.

AU - Watanabe, H.

AU - Yamanaka, T.

N1 - Funding Information: We would like to express our gratitude to Matsusada Precision Inc. for their continuous discussions and support on technical matters during the design and production of the CW bases. This research was supported by KEK, MEXT KAKENHI Grant number 18071006 , the Japan/US Cooperation Program, Korea NRF ( 2012-004554 ), and Taiwan NSC . Some of the authors were supported by Grant-in-Aid for JSPS Fellows from the Japan Society for the Promotion of Science .

PY - 2014/5/11

Y1 - 2014/5/11

N2 - We developed a high voltage system for the electromagnetic calorimeter of the KOTO detector. The system is designed around a low noise, low power Cockcroft-Walton (CW) photomultiplier tube base with a high gain preamplifier. The low power makes it suitable for operations in vacuum. The low noise and high gain allow detecting signals in the 1 MeV range. We achieved a final noise level below 180μVrms for a preamplifier gain of more than 40. A vacuum tolerant control system for the CW bases power distribution was also designed. This system is able to control and monitor the high voltage of each individual base.

AB - We developed a high voltage system for the electromagnetic calorimeter of the KOTO detector. The system is designed around a low noise, low power Cockcroft-Walton (CW) photomultiplier tube base with a high gain preamplifier. The low power makes it suitable for operations in vacuum. The low noise and high gain allow detecting signals in the 1 MeV range. We achieved a final noise level below 180μVrms for a preamplifier gain of more than 40. A vacuum tolerant control system for the CW bases power distribution was also designed. This system is able to control and monitor the high voltage of each individual base.

KW - CW base

KW - Calorimeter

KW - J-PARC

KW - KOTO

KW - Photomultiplier tube

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U2 - 10.1016/j.nima.2014.02.007

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JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

ER -

A vacuum tolerant high voltage system with a low noise and low power Cockcroft-Walton photomultiplier base

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Keywords

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