Mass resolution for iron isotopes in CR-39 track detector

Satoshi Kodaira; Nobuyuki Hasebe; Tadayoshi Doke; Atsushi Kitagawa; Hisashi Kitamura; Shinji Sato; Yukio Uchihori; Nakahiro Yasuda; Koichi Ogura; Hiroko Tawara

doi:10.1143/JJAP.43.6358

Mass resolution for iron isotopes in CR-39 track detector

Satoshi Kodaira^*, Nobuyuki Hasebe, Tadayoshi Doke, Atsushi Kitagawa, Hisashi Kitamura, Shinji Sato, Yukio Uchihori, Nakahiro Yasuda, Koichi Ogura, Hiroko Tawara

^*この研究の対応する著者

研究成果: Article › 査読

16 被引用数 (Scopus)

抄録

We have verified the capability of a CR-39 track detector for isotope identification using iron beam from the heavy-ion accelerator of HIMAC at NIRS. The same CR-39 stack was independently exposed to ⁵⁶Fe and ⁵⁵Fe ions with an energy of 460 MeV/nucleon. Mass resolutions for ⁵⁶Fe and ⁵⁵Fe ions were determined to be 0.28 ± 0.12 amu and 0.28 ± 0.11 amu in rms, respectively. A detailed analysis of the sources of the mass dispersion in the present mass identification experiment showed that significant errors were caused in the measurements of the surface position and the thickness of CR-39 sheets. By eliminating these errors as much as possible, the mass resolution is expected to be improved to ∼0.20 amu.

本文言語	English
ページ（範囲）	6358-6363
ページ数	6
ジャーナル	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
巻	43
号	9 A
DOI	https://doi.org/10.1143/JJAP.43.6358
出版ステータス	Published - 2004 9月

ASJC Scopus subject areas

物理学および天文学（その他）

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10.1143/JJAP.43.6358

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@article{a0c12e761bda4a2c97895a0057bf0f6d,

title = "Mass resolution for iron isotopes in CR-39 track detector",

abstract = "We have verified the capability of a CR-39 track detector for isotope identification using iron beam from the heavy-ion accelerator of HIMAC at NIRS. The same CR-39 stack was independently exposed to 56Fe and 55Fe ions with an energy of 460 MeV/nucleon. Mass resolutions for 56Fe and 55Fe ions were determined to be 0.28 ± 0.12 amu and 0.28 ± 0.11 amu in rms, respectively. A detailed analysis of the sources of the mass dispersion in the present mass identification experiment showed that significant errors were caused in the measurements of the surface position and the thickness of CR-39 sheets. By eliminating these errors as much as possible, the mass resolution is expected to be improved to ∼0.20 amu.",

keywords = "CR-39, Galactic cosmic rays, Iron isotopes, Mass resolution, Solid-state track detector",

author = "Satoshi Kodaira and Nobuyuki Hasebe and Tadayoshi Doke and Atsushi Kitagawa and Hisashi Kitamura and Shinji Sato and Yukio Uchihori and Nakahiro Yasuda and Koichi Ogura and Hiroko Tawara",

year = "2004",

month = sep,

doi = "10.1143/JJAP.43.6358",

language = "English",

volume = "43",

pages = "6358--6363",

journal = "Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers",

issn = "0021-4922",

publisher = "Japan Society of Applied Physics",

number = "9 A",

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TY - JOUR

T1 - Mass resolution for iron isotopes in CR-39 track detector

AU - Kodaira, Satoshi

AU - Hasebe, Nobuyuki

AU - Doke, Tadayoshi

AU - Kitagawa, Atsushi

AU - Kitamura, Hisashi

AU - Sato, Shinji

AU - Uchihori, Yukio

AU - Yasuda, Nakahiro

AU - Ogura, Koichi

AU - Tawara, Hiroko

PY - 2004/9

Y1 - 2004/9

N2 - We have verified the capability of a CR-39 track detector for isotope identification using iron beam from the heavy-ion accelerator of HIMAC at NIRS. The same CR-39 stack was independently exposed to 56Fe and 55Fe ions with an energy of 460 MeV/nucleon. Mass resolutions for 56Fe and 55Fe ions were determined to be 0.28 ± 0.12 amu and 0.28 ± 0.11 amu in rms, respectively. A detailed analysis of the sources of the mass dispersion in the present mass identification experiment showed that significant errors were caused in the measurements of the surface position and the thickness of CR-39 sheets. By eliminating these errors as much as possible, the mass resolution is expected to be improved to ∼0.20 amu.

AB - We have verified the capability of a CR-39 track detector for isotope identification using iron beam from the heavy-ion accelerator of HIMAC at NIRS. The same CR-39 stack was independently exposed to 56Fe and 55Fe ions with an energy of 460 MeV/nucleon. Mass resolutions for 56Fe and 55Fe ions were determined to be 0.28 ± 0.12 amu and 0.28 ± 0.11 amu in rms, respectively. A detailed analysis of the sources of the mass dispersion in the present mass identification experiment showed that significant errors were caused in the measurements of the surface position and the thickness of CR-39 sheets. By eliminating these errors as much as possible, the mass resolution is expected to be improved to ∼0.20 amu.

KW - CR-39

KW - Galactic cosmic rays

KW - Iron isotopes

KW - Mass resolution

KW - Solid-state track detector

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U2 - 10.1143/JJAP.43.6358

DO - 10.1143/JJAP.43.6358

M3 - Article

AN - SCOPUS:9144238971

SN - 0021-4922

VL - 43

SP - 6358

EP - 6363

JO - Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers

JF - Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers

IS - 9 A

ER -

Mass resolution for iron isotopes in CR-39 track detector

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