Optical Observation of Self-Quenching Streamers by a- and ß-Rays

A. Nohtomi; Y. Uozumi; T. Sakae; M. Matoba; K. Narita; N. Koori; H. Kume; H. Nakamura

doi:10.1109/23.322826

Optical Observation of Self-Quenching Streamers by a- and ß-Rays

A. Nohtomi, Y. Uozumi, T. Sakae, M. Matoba, K. Narita, N. Koori, H. Kume, H. Nakamura

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

8 Citations (Scopus)

Abstract

Optical images of self-quenching streamers (SQSs) in a gas counter have been observed for α-and β-ray, incident charged particles. Individual images of the streamers were obtained by using an image-intensifier system with a gating function. The observation was performed from the axial direction of the gas counter used For α-ray irradiation, streamers develop only in two specific directions orienting primary-ionization tracks formed by α-rays. On the other hand, for β-ray, streamers grow in various directions; obtained images are similar to those for Xray. On the basis of the observation, SQS-formation mechanisms by different sorts of ionizing radiation are discussed. A possible mechanism of “PRimary-Ionization Track ORiented (PRITOR) type SQS” induced by a-ray is proposed.

Original language	English
Pages (from-to)	884-889
Number of pages	6
Journal	IEEE Transactions on Nuclear Science
Volume	41
Issue number	4
DOIs	https://doi.org/10.1109/23.322826
Publication status	Published - Aug 1994

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Nuclear Energy and Engineering
Electrical and Electronic Engineering

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10.1109/23.322826

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title = "Optical Observation of Self-Quenching Streamers by a- and {\ss}-Rays",

abstract = "Optical images of self-quenching streamers (SQSs) in a gas counter have been observed for α-and β-ray, incident charged particles. Individual images of the streamers were obtained by using an image-intensifier system with a gating function. The observation was performed from the axial direction of the gas counter used For α-ray irradiation, streamers develop only in two specific directions orienting primary-ionization tracks formed by α-rays. On the other hand, for β-ray, streamers grow in various directions; obtained images are similar to those for Xray. On the basis of the observation, SQS-formation mechanisms by different sorts of ionizing radiation are discussed. A possible mechanism of “PRimary-Ionization Track ORiented (PRITOR) type SQS” induced by a-ray is proposed.",

author = "A. Nohtomi and Y. Uozumi and T. Sakae and M. Matoba and K. Narita and N. Koori and H. Kume and H. Nakamura",

note = "Funding Information: One of the authors (A. N.) would like to acknowledge the financial support, a part of traveling expenses, by Zmw Foundmion &r Science to present this work at IEEE 1993 NSS.",

year = "1994",

month = aug,

doi = "10.1109/23.322826",

language = "English",

volume = "41",

pages = "884--889",

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T1 - Optical Observation of Self-Quenching Streamers by a- and ß-Rays

AU - Nohtomi, A.

AU - Uozumi, Y.

AU - Sakae, T.

AU - Matoba, M.

AU - Narita, K.

AU - Koori, N.

AU - Kume, H.

AU - Nakamura, H.

N1 - Funding Information: One of the authors (A. N.) would like to acknowledge the financial support, a part of traveling expenses, by Zmw Foundmion &r Science to present this work at IEEE 1993 NSS.

PY - 1994/8

Y1 - 1994/8

N2 - Optical images of self-quenching streamers (SQSs) in a gas counter have been observed for α-and β-ray, incident charged particles. Individual images of the streamers were obtained by using an image-intensifier system with a gating function. The observation was performed from the axial direction of the gas counter used For α-ray irradiation, streamers develop only in two specific directions orienting primary-ionization tracks formed by α-rays. On the other hand, for β-ray, streamers grow in various directions; obtained images are similar to those for Xray. On the basis of the observation, SQS-formation mechanisms by different sorts of ionizing radiation are discussed. A possible mechanism of “PRimary-Ionization Track ORiented (PRITOR) type SQS” induced by a-ray is proposed.

AB - Optical images of self-quenching streamers (SQSs) in a gas counter have been observed for α-and β-ray, incident charged particles. Individual images of the streamers were obtained by using an image-intensifier system with a gating function. The observation was performed from the axial direction of the gas counter used For α-ray irradiation, streamers develop only in two specific directions orienting primary-ionization tracks formed by α-rays. On the other hand, for β-ray, streamers grow in various directions; obtained images are similar to those for Xray. On the basis of the observation, SQS-formation mechanisms by different sorts of ionizing radiation are discussed. A possible mechanism of “PRimary-Ionization Track ORiented (PRITOR) type SQS” induced by a-ray is proposed.

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JF - IEEE Transactions on Nuclear Science

IS - 4

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Optical Observation of Self-Quenching Streamers by a- and ß-Rays

Abstract

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