Status of the Proton Engineering Frontier Project
Status of the Proton Engineering Frontier Project
Status of the Proton Engineering Frontier Project
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Accelerator Development<br />
q PEFP 20 MeV Linac<br />
· Extracted first beam (July 2005)<br />
· Obtained operation license (June 2007)<br />
- Avg. current: 0.1 mA, Rep. Rate: 0.1 Hz, 4 hrs/week<br />
· Started beam service (June 2007)<br />
· Revised operation condition (April 2008)<br />
- Avg. current: 1.0 mA, Rep. Rate: 1 Hz, 4 hrs/week<br />
· Achieved designed performance (May 2008)<br />
Klystron (RFQ)<br />
Waveguide<br />
Klystron (DTL)<br />
Target Station<br />
Beam Pr<strong>of</strong>ile<br />
Beam Current [mA]<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
v Peak Beam Current<br />
Designed: 20 mA<br />
First<br />
Beam<br />
RFQ<br />
20.2 mA<br />
(08.5.24)<br />
DTL<br />
2005 2006 2007 2008<br />
4cm<br />
180<br />
160<br />
140<br />
v Beam Energy: 20.33 MeV<br />
Dose Measurement<br />
(Ionization chamber)<br />
120<br />
Charge (nC)<br />
100<br />
80<br />
60<br />
40<br />
20<br />
Beam Range: 2.18 mm<br />
(10% position <strong>of</strong> peak)<br />
Ion Source<br />
LEBT<br />
3 MeV RFQ<br />
20 MeV DTL<br />
0<br />
1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3<br />
Depth (mm)<br />
8
Change language