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IJPAP Vol.50 [2012] >
IJPAP Vol.50(07) [July 2012] >
| Title: | A state of the RIKEN radioisotope beam factory |
| Authors: | Uwamino, Y
Sakamoto, H
Higurashi-Hirunuma, R
Mukai, H
Fukuda, H
Akashio, A |
| Keywords: | RIBF
Heavy ion
Superconducting ring cyclotron
Unstable nuclide beam
SCRIT
Electron scattering with unstable nuclide |
| Issue Date: | Jul-2012 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | RIKEN Radioisotope
Beam Factory (RIBF) consisted of a heavy ion linac (RILAC), a small
cyclotron (AVF), four ring cyclotrons (RRC, fRC, IRC and SRC), and
projectile-fragment separators (RIPS and BigRIPS) when its operation was
started at the end of 2006. SRC is the final stage superconducting cyclotron
and its maximum energy is 400 MeV/nucleon for lighter ions of hydrogen to Ar
and 350 MeV/nucleon for heavier ions up to uranium. A new injector linac
(RILAC-II) with a 28 GHz superconducting ECR ion source was completed in March, 2011 and beam
intensities of 1 pmA for 4He and
3 pnA for 238U were achieved. Polarized deuteron beam is also available. New developed
electron-nucleus scattering equipment is under construction. It is called SCRIT
(Self-Confining Radioisotope Ion Target) and consists of a 150-MeV microtron
and a 700-MeV synchrotron storage-ring. It will realize the electron scattering
experiment with unstable nuclides for the first time. In spite of the big
earthquake on March 11,
2011, damages on the accelerators were quite small,
that is, vacuum leaks were found at two points in the transport lines. They
were repaired, and the
experiment was started in June, 2011.
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| Page(s): | 442-445 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-1041 (Online); 0019-5596 (Print) |
| Source: | IJPAP Vol.50(07) [July 2012]
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