SHARAQ spectrometer for high-resolution studies for RI-induced reactions

S. Michimasa, M. Takaki, Y. Sasamoto, M. Dozono, T. Nishi, T. Kawabata, S. Ota, H. Baba, T. Baba, T. Fujii, Shintaro Go, S. Kawase, Y. Kikuchi, K. Kisamori, M. Kobayashi, Y. Kubota, C. S. Lee, H. Matsubara, K. Miki, H. MiyaS. Noji, H. Tokieda, M. Tsumura, K. Yako, R. Yokoyama, H. Takeda, Y. Yanagisawa, T. Kubo, N. Inabe, N. Fukuda, D. Kameda, H. Suzuki, Y. Shimizu, H. Sato, T. Ichihara, A. Stolz, R. G.T. Zegers, H. Sakai, T. Uesaka, S. Shimoura

Research output: Contribution to journalArticle

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Abstract

The SHARAQ spectrometer and High-Resolution Beamline, which began operation in March 2009, have been put into use for six experiments using charge exchange reactions with radioactive isotope beams. For experiments at SHARAQ, detector developments and ion optics studies continue to improve performance in high-resolution nuclear spectroscopy. We have introduced improved timing resolution with CVD diamond detectors, high count-rate beamline tracking detectors and development of multi-particle detection by cathode-readout drift chambers. Ion-optics studies for the high-resolution achromatic (HA) and dispersion-matching (DM) transport modes are also reported here. Momentum tagging in the HA mode demonstrated an improvement in spectroscopic resolution with respect to the momentum spread of the radioactive beam. For the DM transportation mode, a momentum resolution of 1/8100 (FWHM) was achieved by taking into account the positions and angles of the beam at the third focal plane of BigRIPS.

Original languageEnglish
Pages (from-to)305-310
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume317
Issue numberPART B
DOIs
Publication statusPublished - Dec 15 2013

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Spectrometers
Momentum
Optical resolving power
spectrometers
ion optics
Detectors
Optics
high resolution
momentum
Drift chambers
detectors
Ions
Full width at half maximum
Radioisotopes
Chemical vapor deposition
Diamonds
Cathodes
Experiments
charge exchange
Spectroscopy

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

SHARAQ spectrometer for high-resolution studies for RI-induced reactions. / Michimasa, S.; Takaki, M.; Sasamoto, Y.; Dozono, M.; Nishi, T.; Kawabata, T.; Ota, S.; Baba, H.; Baba, T.; Fujii, T.; Go, Shintaro; Kawase, S.; Kikuchi, Y.; Kisamori, K.; Kobayashi, M.; Kubota, Y.; Lee, C. S.; Matsubara, H.; Miki, K.; Miya, H.; Noji, S.; Tokieda, H.; Tsumura, M.; Yako, K.; Yokoyama, R.; Takeda, H.; Yanagisawa, Y.; Kubo, T.; Inabe, N.; Fukuda, N.; Kameda, D.; Suzuki, H.; Shimizu, Y.; Sato, H.; Ichihara, T.; Stolz, A.; Zegers, R. G.T.; Sakai, H.; Uesaka, T.; Shimoura, S.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 317, No. PART B, 15.12.2013, p. 305-310.

Research output: Contribution to journalArticle

Michimasa, S, Takaki, M, Sasamoto, Y, Dozono, M, Nishi, T, Kawabata, T, Ota, S, Baba, H, Baba, T, Fujii, T, Go, S, Kawase, S, Kikuchi, Y, Kisamori, K, Kobayashi, M, Kubota, Y, Lee, CS, Matsubara, H, Miki, K, Miya, H, Noji, S, Tokieda, H, Tsumura, M, Yako, K, Yokoyama, R, Takeda, H, Yanagisawa, Y, Kubo, T, Inabe, N, Fukuda, N, Kameda, D, Suzuki, H, Shimizu, Y, Sato, H, Ichihara, T, Stolz, A, Zegers, RGT, Sakai, H, Uesaka, T & Shimoura, S 2013, 'SHARAQ spectrometer for high-resolution studies for RI-induced reactions', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 317, no. PART B, pp. 305-310. https://doi.org/10.1016/j.nimb.2013.08.060
Michimasa, S. ; Takaki, M. ; Sasamoto, Y. ; Dozono, M. ; Nishi, T. ; Kawabata, T. ; Ota, S. ; Baba, H. ; Baba, T. ; Fujii, T. ; Go, Shintaro ; Kawase, S. ; Kikuchi, Y. ; Kisamori, K. ; Kobayashi, M. ; Kubota, Y. ; Lee, C. S. ; Matsubara, H. ; Miki, K. ; Miya, H. ; Noji, S. ; Tokieda, H. ; Tsumura, M. ; Yako, K. ; Yokoyama, R. ; Takeda, H. ; Yanagisawa, Y. ; Kubo, T. ; Inabe, N. ; Fukuda, N. ; Kameda, D. ; Suzuki, H. ; Shimizu, Y. ; Sato, H. ; Ichihara, T. ; Stolz, A. ; Zegers, R. G.T. ; Sakai, H. ; Uesaka, T. ; Shimoura, S. / SHARAQ spectrometer for high-resolution studies for RI-induced reactions. In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2013 ; Vol. 317, No. PART B. pp. 305-310.
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AU - Michimasa, S.

AU - Takaki, M.

AU - Sasamoto, Y.

AU - Dozono, M.

AU - Nishi, T.

AU - Kawabata, T.

AU - Ota, S.

AU - Baba, H.

AU - Baba, T.

AU - Fujii, T.

AU - Go, Shintaro

AU - Kawase, S.

AU - Kikuchi, Y.

AU - Kisamori, K.

AU - Kobayashi, M.

AU - Kubota, Y.

AU - Lee, C. S.

AU - Matsubara, H.

AU - Miki, K.

AU - Miya, H.

AU - Noji, S.

AU - Tokieda, H.

AU - Tsumura, M.

AU - Yako, K.

AU - Yokoyama, R.

AU - Takeda, H.

AU - Yanagisawa, Y.

AU - Kubo, T.

AU - Inabe, N.

AU - Fukuda, N.

AU - Kameda, D.

AU - Suzuki, H.

AU - Shimizu, Y.

AU - Sato, H.

AU - Ichihara, T.

AU - Stolz, A.

AU - Zegers, R. G.T.

AU - Sakai, H.

AU - Uesaka, T.

AU - Shimoura, S.

PY - 2013/12/15

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