Measurement of electron drift velocities in the mixture of Xe and He for a new high-pressure Xe gamma-ray detector

Shingo Kobayashi; Valery V. Dmitrenko; Tadayoshi Doke; Victor M. Grachev; Nobuyuki Hasebe; Tsutomu Igarashi; Takashi Miyachi; Hiroyuki Okada; Eido Shibamura; Masatoshi Takenouchi; Sergey E. Ulin; Konstantin F. Vlasik

Measurement of electron drift velocities in the mixture of Xe and He for a new high-pressure Xe gamma-ray detector

Shingo Kobayashi^*, Valery V. Dmitrenko, Tadayoshi Doke, Victor M. Grachev, Nobuyuki Hasebe, Tsutomu Igarashi, Takashi Miyachi, Hiroyuki Okada, Eido Shibamura, Masatoshi Takenouchi, Sergey E. Ulin, Konstantin F. Vlasik

^*Corresponding author for this work

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

3 Citations (Scopus)

Abstract

Drift velocities of electrons in a mixture of Xe (20 atm)-He (3 atm) were measured using a cylindrical high-pressure xenon chamber. The drift velocities were found to be greater than 3 × 10⁵ cm/s above the reduced electric field of 2.0 × 10^-18 V·cm² at room temperature, which are close to those in Xe-H₂ (0.3%). The mixture of He gas into high-pressure xenon improved the resolving time of detectors because it increased the electron drift velocities. This implies that a high-pressure xenon chamber mixed with ³He instead of He gas operates as a gamma-ray detector sensitive to thermal neutrons.

Original language	English
Pages (from-to)	333-334
Number of pages	2
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	42
Issue number	1
Publication status	Published - 2003 Jan

Keywords

Cylindrical chamber
Electron drift velocity
Gamma-ray
Helium
Helium 3
High-pressure xenon detector
Neutron
Xenon

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

Cite this

Kobayashi, S., Dmitrenko, V. V., Doke, T., Grachev, V. M., Hasebe, N., Igarashi, T., Miyachi, T., Okada, H., Shibamura, E., Takenouchi, M., Ulin, S. E., & Vlasik, K. F. (2003). Measurement of electron drift velocities in the mixture of Xe and He for a new high-pressure Xe gamma-ray detector. Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, 42(1), 333-334.

Measurement of electron drift velocities in the mixture of Xe and He for a new high-pressure Xe gamma-ray detector. / Kobayashi, Shingo; Dmitrenko, Valery V.; Doke, Tadayoshi et al.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 42, No. 1, 01.2003, p. 333-334.

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

Kobayashi, S, Dmitrenko, VV, Doke, T, Grachev, VM, Hasebe, N, Igarashi, T, Miyachi, T, Okada, H, Shibamura, E, Takenouchi, M, Ulin, SE & Vlasik, KF 2003, 'Measurement of electron drift velocities in the mixture of Xe and He for a new high-pressure Xe gamma-ray detector', Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, vol. 42, no. 1, pp. 333-334.

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title = "Measurement of electron drift velocities in the mixture of Xe and He for a new high-pressure Xe gamma-ray detector",

abstract = "Drift velocities of electrons in a mixture of Xe (20 atm)-He (3 atm) were measured using a cylindrical high-pressure xenon chamber. The drift velocities were found to be greater than 3 × 105 cm/s above the reduced electric field of 2.0 × 10-18 V·cm2 at room temperature, which are close to those in Xe-H2 (0.3%). The mixture of He gas into high-pressure xenon improved the resolving time of detectors because it increased the electron drift velocities. This implies that a high-pressure xenon chamber mixed with 3He instead of He gas operates as a gamma-ray detector sensitive to thermal neutrons.",

keywords = "Cylindrical chamber, Electron drift velocity, Gamma-ray, Helium, Helium 3, High-pressure xenon detector, Neutron, Xenon",

author = "Shingo Kobayashi and Dmitrenko, {Valery V.} and Tadayoshi Doke and Grachev, {Victor M.} and Nobuyuki Hasebe and Tsutomu Igarashi and Takashi Miyachi and Hiroyuki Okada and Eido Shibamura and Masatoshi Takenouchi and Ulin, {Sergey E.} and Vlasik, {Konstantin F.}",

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AU - Kobayashi, Shingo

AU - Dmitrenko, Valery V.

AU - Doke, Tadayoshi

AU - Grachev, Victor M.

AU - Hasebe, Nobuyuki

AU - Igarashi, Tsutomu

AU - Miyachi, Takashi

AU - Okada, Hiroyuki

AU - Shibamura, Eido

AU - Takenouchi, Masatoshi

AU - Ulin, Sergey E.

AU - Vlasik, Konstantin F.

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AB - Drift velocities of electrons in a mixture of Xe (20 atm)-He (3 atm) were measured using a cylindrical high-pressure xenon chamber. The drift velocities were found to be greater than 3 × 105 cm/s above the reduced electric field of 2.0 × 10-18 V·cm2 at room temperature, which are close to those in Xe-H2 (0.3%). The mixture of He gas into high-pressure xenon improved the resolving time of detectors because it increased the electron drift velocities. This implies that a high-pressure xenon chamber mixed with 3He instead of He gas operates as a gamma-ray detector sensitive to thermal neutrons.

KW - Cylindrical chamber

KW - Electron drift velocity

KW - Gamma-ray

KW - Helium

KW - Helium 3

KW - High-pressure xenon detector

KW - Neutron

KW - Xenon

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Measurement of electron drift velocities in the mixture of Xe and He for a new high-pressure Xe gamma-ray detector

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Keywords

ASJC Scopus subject areas

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