Summary run for optics

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Here are a summary of data we took for Elastic calibration on LH2 15mm. I does not includes all runs but only select longer runs which has better statistics -- by Zhihong Ye, 10/13/2010

1, Beam = 5.5 GeV, Current = 10uA, P0 = 4.05 GeV/c, Theta = 21.5 Degree, Raster = On, Sieve = Out

Run# Times Notes

7068 04:20 ~ 04:37 5x4 Raster

7069 04:41 ~ 04:55 7x7 Raster

7070 05:02 ~ 05:07

7071 05:08 ~ 06:09

7072 06:13 ~ 07:21 Sieve In

7073 07:22 ~ 09:01 Sieve In

7074 09:01 ~ 09:10 Trigger Efficiency Test,P0 =3.932

continuing ...



Julie's summary of runs

  • Elastic 0%: Pnom=3.327 GeV, angle=27.494
    • multifoil Carbon (50 uA)
      • sieve slit in: 7229, 7230 (135 k evt), 7231 (96 k evt), 7237 (200 k evt)
      • sieve slit out: 7235 (200 k evt), 7236 (200k evt), 7208
    • LH2 (4.5 A unrastered)
      • sieve slit in: 7238 (200k evt), 7239 (200k evt)
      • sieve slit out:7209, 7210, 7211
    • LH2 (raster on)
      • sieve slit out: 7085, 7086, 7087


  • Elastic -4%: Pnom= 3.194 GeV, angle=27.494 deg,
    • LH2
      • no sieve: 7205 (541 k evt), 7207 (320 k evt), 7124
      • no sieve rastered: 7096, 7099


  • Elastic 0%: Pnom=3.327, angle=27.494,
    • LH2
      • no sieve: 7088, 7089, 7091, 7092, 7093


  • Elastic +3%: Pnom=3.427 GeV, angle=27.494 deg,
    • LH2
      • no sieve rastered: 7078, 7079, 7080
      • no sieve rastered: 7081 (0.5 uA), 7082 (1.0 uA), 7083 (2.0 uA), 7084 (5.0 uA), 7085 (10 uA)


  • Elastic -3.5%: Pnom=4.05 GeV, angle=21.4881 deg,
    • LH2 (raster on)
      • sieve OUT: 7071
      • sieve IN: 7072, 7073


Elastic optics
Elastic Target Momentum (GeV) Angle (deg) Sieve Raster Run number
0% Carbon foils 3.327 27.494 IN NO 7229, 7230, 7231, 7237
0% Carbon foils 3.327 27.494 OUT NO 7235, 7236, 7208
0% LH2 3.327 27.494 IN NO 7238, 7239
0% LH2 3.327 27.494 OUT NO 7209, 7210,7211
0% LH2 3.327 27.494 OUT YES 7085, 7086, 7087, 7088, 7089, 7091, 7092, 7093
-4% LH2 3.194 27.494 OUT NO 7205 (541 k evt), 7207 (320 k evt), 7124
-4% LH2 3.194 27.494 OUT YES 7096, 7099
0% LH2 3.327 27.494 OUT YES