1. IPPC June 2003 E-166 Background Studied 3-slides

2. IPPC June 2003 2 E-166 Background Tests Review and Advisory Committee Robert Noble (chair), C. Field, H. Lynch, and M. Ross ● Design a test in the FFTB to validate that the backgrounds in E-166 are acceptable ● Review results and recommend to Dorfan and Paterson to proceed with E-166 ● E-166 to be run in early calendar 2005 ● Background results roughly by end of calendar 2003

3. IPPC June 2003 3 E-166 Background Tests There are three sources of E-166 background: ● Streaming from upstream of the undulator ● Interception at the undulator ● Secondaries produced in the spectrometer Background studies test the first two sources First meeting of R&A committee: June 26, 2003

4. IPPC June 2003 4 E-166 Background Test Shielding to be added as indicated by modeling

5. IPPC June 2003 5 E-166 Background Test Shielding to be added as indicated by modeling