| Title |
Beam Flattening System based on Non-linear Optics for High Power Spallation Neutron Target at J-PARC |
| Authors |
- S.I. Meigo, A. Akutsu, K.I. Ikezaki, M. Ooi
JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken, Japan
- H. Fujimori
KEK/JAEA, Ibaraki-Ken, Japan
|
| Abstract |
In the Japanese Spallation Neutron Source (JSNS) of J-PARC, a mercury is utilized as a target material. Since a serious pitting erosion was found at the target vessel at SNS in ORNL and JSNS, a reduction of a peak current density is required. In order to decrease the peak, we have developed the beam optics based on a non linear using an octupole magnets. In a design calculation, it is found that the peak current density of 30 % can be reduced by introducing the octupole magnets. A status of the design and the experimental results will be reported.
|
| Paper |
download MOPRI116.PDF [0.955 MB / 3 pages] |
| Export |
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| Conference |
IPAC2014, Dresden, Germany |
| Series |
International Particle Accelerator Conference (5th) |
| Proceedings |
Link to full IPAC2014 Proccedings |
| Session |
Poster Session, Ribery Area |
| Date |
16-Jun-14 16:00–18:00 |
| Main Classification |
04 Hadron Accelerators |
| Sub Classification |
T28 Neutron Sources |
| Keywords |
octupole, target, optics, neutron, proton |
| Publisher |
JACoW Publishing, Geneva, Switzerland |
| Editors |
Christine Petit-Jean-Genaz (CERN, Geneva, Switzerland); Gianluigi Arduini (CERN, Geneva, Switzerland); Peter Michel (HZDR, Dresden, Germany); Volker RW Schaa (GSI, Darmstadt, Germany) |
| ISBN |
978-3-95450-132-8 |
| Published |
July 2014 |
| Copyright |
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