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- Title
FIRST ISOCHRONOUS MASS MEASUREMENTS AT CSRe.
- Authors
Wang, M.; Xu, H. S.; Xia, J. W.; Tu, X. L.; Mao, R. S.; Yuan, Y. J.; Hu, Z. G.; Liu, Y.; Zhang, H. B.; Zang, Y. D.; Zhao, T. C.; Zhang, X. Y.; Fu, F.; Yang, J. C.; Mao, L. J.; Xiao, C.; Xiao, G. Q.; Zhao, H. W.; Zhan, W. L.
- Abstract
With the commissioning of the Cooler Storage Ring at the Heavy Ion Research Facility in Lanzhou (HIRFL-CSR), a pilot experiment operating the CSRe in isochronous mode to test the power of HIRFL-CSR for measuring the mass of the short-lived nucleus was performed in December of 2007. The transition point γt of CSRe in isochronous mode is 1.395 which corresponds to the energy about 368 MeV/u for the ions with atomic number-to-charge ratio A/q = 2. The fragments with A/q = 2 of 36Ar were injected into CSRe and their revolution frequencies were measured with a fast time pick-up detector with a thin foil in the circulating path of the ions. A mass resolution of better than 105 for m/Δm was achieved.
- Subjects
IONS; MASS measurement; STORAGE rings; IONIC structure; RESEARCH institutes; ELECTRONS
- Publication
International Journal of Modern Physics E: Nuclear Physics, 2009, Vol 18, Issue 2, p352
- ISSN
0218-3013
- Publication type
Article
- DOI
10.1142/S0218301309012380