High-resolution SHARAQ spectrometer at RI beam factory

T. Uesaka, S. Michimasa, S. Ota, A. Saito, K. Nakanishi, Y. Sasamoto, K. Miki, S. Noji, H. Tokieda, H. Miya, S. Kawase, S. Shimoura, Y. Shimizu, H. Sakai, K. Yako, S. Itoh, T. Kawabata, Y. Yanagisawa, T. Ohnishi, H. TakedaD. Kameda, T. Kubo, M. Sasano, H. Baba, K. Itahashi, G. P.A. Berg, D. Bazin, P. Roussel-Chomaz, Y. Shimbara, M. Nagashima

Research output: Contribution to journalConference articlepeer-review


The high-resolution SHARAQ spectrometer and the dedicated beam-line have been constructed at the RI beam factory. Cathode-readout drift chambers placed at the focal plane of SHARAQ and multi-wire drift chambers in the beam-line worked satisfactorily for heavy ion beams with Z=1-7 at 200-250 MeV/nucleon. By introducing a dispersion matched operation of the beam-line, we have achieved a momentum resolution of Δp/p = 1/8100 for a primary beam of 14N beam with a momentum spread of ±0.1%.

Original languageEnglish
Article number052028
JournalJournal of Physics: Conference Series
Issue numberSECTION 5
Publication statusPublished - 2011
EventInternational Nuclear Physics Conference 2010, INPC2010 - Vancouver, BC, Canada
Duration: 2010 Jul 42010 Jul 9


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