Startup of superheavy element chemistry at RIKEN

H. Haba, T. Akiyama, D. Kaji, H. Kikunaga, T. Kuribayashi, K. Morimoto, Kosuke Morita, K. Ooe, N. Sato, A. Shinohara, T. Takabe, Y. Tashiro, A. Toyoshima, A. Yoneda, T. Yoshimura

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

A review is given on the startup of the superheavy element (SHE) chemistry at RIKEN. A gas-jet transport system for the SHE chemistry has been coupled to the gas-filled recoil ion separator GARIS at the RIKEN Linear Accelerator. The performance of the system was appraised using 206Fr and 245Fm produced in the 169Tm (40Ar, 3n) 206Fr and 208Pb (40Ar, 3n) 245Fm reactions, respectively. The α particles of 206Fr and 245Fm separated with GARIS and transported by the gas-jet were identified with a rotating wheel system for α spectrometry under desired low background condition. The high gas-jet efficiencies over 80% were independent of the beam intensities up to 2 particle μA. A gas-jet coupled target system for the production of SHEs was also installed on the beam line of the RIKEN K70 AVF cyclotron. The gas-jet transport of 255No and 261Rf produced in the 238U (22Ne, 5n) 255No and 248Cm (18O, 5n) 261Rf reactions, respectively, was conducted for the future chemical studies of 265Sg via the 248Cm (22Ne, 5n) 265Sg reaction.

Original languageEnglish
Pages (from-to)81-86
Number of pages6
JournalEuropean Physical Journal D
Volume45
Issue number1
DOIs
Publication statusPublished - Oct 1 2007
Externally publishedYes

Fingerprint

gas jets
chemistry
recoil ions
linear accelerators
separators
wheels
cyclotrons
gases
spectroscopy

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Haba, H., Akiyama, T., Kaji, D., Kikunaga, H., Kuribayashi, T., Morimoto, K., ... Yoshimura, T. (2007). Startup of superheavy element chemistry at RIKEN. European Physical Journal D, 45(1), 81-86. https://doi.org/10.1140/epjd/e2007-00135-4

Startup of superheavy element chemistry at RIKEN. / Haba, H.; Akiyama, T.; Kaji, D.; Kikunaga, H.; Kuribayashi, T.; Morimoto, K.; Morita, Kosuke; Ooe, K.; Sato, N.; Shinohara, A.; Takabe, T.; Tashiro, Y.; Toyoshima, A.; Yoneda, A.; Yoshimura, T.

In: European Physical Journal D, Vol. 45, No. 1, 01.10.2007, p. 81-86.

Research output: Contribution to journalArticle

Haba, H, Akiyama, T, Kaji, D, Kikunaga, H, Kuribayashi, T, Morimoto, K, Morita, K, Ooe, K, Sato, N, Shinohara, A, Takabe, T, Tashiro, Y, Toyoshima, A, Yoneda, A & Yoshimura, T 2007, 'Startup of superheavy element chemistry at RIKEN', European Physical Journal D, vol. 45, no. 1, pp. 81-86. https://doi.org/10.1140/epjd/e2007-00135-4
Haba H, Akiyama T, Kaji D, Kikunaga H, Kuribayashi T, Morimoto K et al. Startup of superheavy element chemistry at RIKEN. European Physical Journal D. 2007 Oct 1;45(1):81-86. https://doi.org/10.1140/epjd/e2007-00135-4
Haba, H. ; Akiyama, T. ; Kaji, D. ; Kikunaga, H. ; Kuribayashi, T. ; Morimoto, K. ; Morita, Kosuke ; Ooe, K. ; Sato, N. ; Shinohara, A. ; Takabe, T. ; Tashiro, Y. ; Toyoshima, A. ; Yoneda, A. ; Yoshimura, T. / Startup of superheavy element chemistry at RIKEN. In: European Physical Journal D. 2007 ; Vol. 45, No. 1. pp. 81-86.
@article{a7d6c078662b49feb83d0489babbd56d,
title = "Startup of superheavy element chemistry at RIKEN",
abstract = "A review is given on the startup of the superheavy element (SHE) chemistry at RIKEN. A gas-jet transport system for the SHE chemistry has been coupled to the gas-filled recoil ion separator GARIS at the RIKEN Linear Accelerator. The performance of the system was appraised using 206Fr and 245Fm produced in the 169Tm (40Ar, 3n) 206Fr and 208Pb (40Ar, 3n) 245Fm reactions, respectively. The α particles of 206Fr and 245Fm separated with GARIS and transported by the gas-jet were identified with a rotating wheel system for α spectrometry under desired low background condition. The high gas-jet efficiencies over 80{\%} were independent of the beam intensities up to 2 particle μA. A gas-jet coupled target system for the production of SHEs was also installed on the beam line of the RIKEN K70 AVF cyclotron. The gas-jet transport of 255No and 261Rf produced in the 238U (22Ne, 5n) 255No and 248Cm (18O, 5n) 261Rf reactions, respectively, was conducted for the future chemical studies of 265Sg via the 248Cm (22Ne, 5n) 265Sg reaction.",
author = "H. Haba and T. Akiyama and D. Kaji and H. Kikunaga and T. Kuribayashi and K. Morimoto and Kosuke Morita and K. Ooe and N. Sato and A. Shinohara and T. Takabe and Y. Tashiro and A. Toyoshima and A. Yoneda and T. Yoshimura",
year = "2007",
month = "10",
day = "1",
doi = "10.1140/epjd/e2007-00135-4",
language = "English",
volume = "45",
pages = "81--86",
journal = "European Physical Journal D",
issn = "1434-6060",
publisher = "Springer New York",
number = "1",

}

TY - JOUR

T1 - Startup of superheavy element chemistry at RIKEN

AU - Haba, H.

AU - Akiyama, T.

AU - Kaji, D.

AU - Kikunaga, H.

AU - Kuribayashi, T.

AU - Morimoto, K.

AU - Morita, Kosuke

AU - Ooe, K.

AU - Sato, N.

AU - Shinohara, A.

AU - Takabe, T.

AU - Tashiro, Y.

AU - Toyoshima, A.

AU - Yoneda, A.

AU - Yoshimura, T.

PY - 2007/10/1

Y1 - 2007/10/1

N2 - A review is given on the startup of the superheavy element (SHE) chemistry at RIKEN. A gas-jet transport system for the SHE chemistry has been coupled to the gas-filled recoil ion separator GARIS at the RIKEN Linear Accelerator. The performance of the system was appraised using 206Fr and 245Fm produced in the 169Tm (40Ar, 3n) 206Fr and 208Pb (40Ar, 3n) 245Fm reactions, respectively. The α particles of 206Fr and 245Fm separated with GARIS and transported by the gas-jet were identified with a rotating wheel system for α spectrometry under desired low background condition. The high gas-jet efficiencies over 80% were independent of the beam intensities up to 2 particle μA. A gas-jet coupled target system for the production of SHEs was also installed on the beam line of the RIKEN K70 AVF cyclotron. The gas-jet transport of 255No and 261Rf produced in the 238U (22Ne, 5n) 255No and 248Cm (18O, 5n) 261Rf reactions, respectively, was conducted for the future chemical studies of 265Sg via the 248Cm (22Ne, 5n) 265Sg reaction.

AB - A review is given on the startup of the superheavy element (SHE) chemistry at RIKEN. A gas-jet transport system for the SHE chemistry has been coupled to the gas-filled recoil ion separator GARIS at the RIKEN Linear Accelerator. The performance of the system was appraised using 206Fr and 245Fm produced in the 169Tm (40Ar, 3n) 206Fr and 208Pb (40Ar, 3n) 245Fm reactions, respectively. The α particles of 206Fr and 245Fm separated with GARIS and transported by the gas-jet were identified with a rotating wheel system for α spectrometry under desired low background condition. The high gas-jet efficiencies over 80% were independent of the beam intensities up to 2 particle μA. A gas-jet coupled target system for the production of SHEs was also installed on the beam line of the RIKEN K70 AVF cyclotron. The gas-jet transport of 255No and 261Rf produced in the 238U (22Ne, 5n) 255No and 248Cm (18O, 5n) 261Rf reactions, respectively, was conducted for the future chemical studies of 265Sg via the 248Cm (22Ne, 5n) 265Sg reaction.

UR - http://www.scopus.com/inward/record.url?scp=34548688459&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=34548688459&partnerID=8YFLogxK

U2 - 10.1140/epjd/e2007-00135-4

DO - 10.1140/epjd/e2007-00135-4

M3 - Article

AN - SCOPUS:34548688459

VL - 45

SP - 81

EP - 86

JO - European Physical Journal D

JF - European Physical Journal D

SN - 1434-6060

IS - 1

ER -