Difference between revisions of "Parasitic Production Run Plan R-HRS 48.75 degrees"
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(→Proton Elastic Kinematics) |
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| Line 19: | Line 19: | ||
<td>E<SUB>beam</SUB> [GeV]</td> | <td>E<SUB>beam</SUB> [GeV]</td> | ||
<td>P<sub>0</sub> [GeV/c]</td> | <td>P<sub>0</sub> [GeV/c]</td> | ||
| + | <td>Q1 Current [Amps]</td> | ||
<td>θ<SUB>e</SUB> [deg]</td> | <td>θ<SUB>e</SUB> [deg]</td> | ||
<td>Q<SUP>2</SUP> [GeV<SUP>2</SUP>]</td> | <td>Q<SUP>2</SUP> [GeV<SUP>2</SUP>]</td> | ||
| Line 29: | Line 30: | ||
<td>8.517</td> | <td>8.517</td> | ||
<td>1.804</td> | <td>1.804</td> | ||
| + | <td>361.54</td> | ||
<td>53.47</td> | <td>53.47</td> | ||
<td>12.56</td> | <td>12.56</td> | ||
<td>0.011</td> | <td>0.011</td> | ||
| − | <td>19 (for | + | <td>19 (for 17k events)</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| Line 39: | Line 41: | ||
<td>8.517</td> | <td>8.517</td> | ||
<td>1.804</td> | <td>1.804</td> | ||
| + | <td> 361.54 </td> | ||
<td>53.47</td> | <td>53.47</td> | ||
<td>12.56</td> | <td>12.56</td> | ||
| Line 49: | Line 52: | ||
<td>8.517</td> | <td>8.517</td> | ||
<td>0.85</td> | <td>0.85</td> | ||
| + | <td>170.35</td> | ||
<td>53.47</td> | <td>53.47</td> | ||
| − | <td>5. | + | <td>5.86</td> |
<td>0.83</td> | <td>0.83</td> | ||
<td>1 hour (for 3k events)</td> | <td>1 hour (for 3k events)</td> | ||
| Line 64: | Line 68: | ||
<td>E<SUB>beam</SUB> [GeV]</td> | <td>E<SUB>beam</SUB> [GeV]</td> | ||
<td>P<sub>0</sub> [GeV/c]</td> | <td>P<sub>0</sub> [GeV/c]</td> | ||
| + | <td> Q1 current [Amps]</td> | ||
<td>θ<SUB>e</SUB> [deg]</td> | <td>θ<SUB>e</SUB> [deg]</td> | ||
<td>Q<SUP>2</SUP> [GeV<SUP>2</SUP>]</td> | <td>Q<SUP>2</SUP> [GeV<SUP>2</SUP>]</td> | ||
| Line 73: | Line 78: | ||
<td>2 x 2 mm<sup>2</sup></td> | <td>2 x 2 mm<sup>2</sup></td> | ||
<td>10.617</td> | <td>10.617</td> | ||
| − | <td> | + | <td>2.165</td> |
| − | <td> | + | <td>433.89</td> |
| − | <td> | + | <td>48.75</td> |
| − | <td>0. | + | <td>15.82</td> |
| − | <td>22 (for | + | <td>0.003</td> |
| + | <td>22 (for 5.7k events)</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
| Line 83: | Line 89: | ||
<td>2 x 2 mm<sup>2</sup></td> | <td>2 x 2 mm<sup>2</sup></td> | ||
<td>10.617</td> | <td>10.617</td> | ||
| − | <td> | + | <td>2.165</td> |
| − | <td> | + | <td>433.89</td> |
| − | <td> | + | <td>48.75</td> |
| + | <td>15.82</td> | ||
<td>----</td> | <td>----</td> | ||
<td>1 hour</td> | <td>1 hour</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | <td> | + | <td>Optics</td> |
<td>Off</td> | <td>Off</td> | ||
<td>10.617</td> | <td>10.617</td> | ||
<td>0.85</td> | <td>0.85</td> | ||
| − | <td> | + | <td>170.35</td> |
| − | <td> | + | <td>48.75</td> |
| − | <td> | + | <td>6.15</td> |
| − | <td> | + | <td>3.0</td> |
| + | <td>0.5 hour (for 5.4k events) </td> | ||
</tr> | </tr> | ||
</table> | </table> | ||
<br> | <br> | ||
Latest revision as of 11:50, 8 November 2016
Proton Elastic Kinematics
* If you need to increase the spectrometer momentum setting, make sure you cycle Q2 and Q3 as per the cycling procedure. * Elastic electron rates assume 15 μA on 15 cm LH2 target, 5 mSr acceptance. * Use the following prescale factors: ps1=1, ps2=1, ps3=1, ps8=100. All other triggers should have zero prescale factor. * For the optics pointing run, decrease the spectrometer momentum to 0.85 GeV/c. The right dipole will need about 1.5 hours to settle. * Take one hour on the optics target. * After the optics run is completed, then increase the spectrometer momentum back to the elastic setting.
Make sure to cycle the right Q2 and Q3 when increasing the momentum. * The 15 cm dummy runs need to be taken at the elastic setting. So keep the momentum as is for this run. * A GMp expert will check the data quality.
- 4th Pass (Ebeam = 8.5 GeV) Time estimate: 19 days @ 15 μA
| Target | Raster | Ebeam [GeV] | P0 [GeV/c] | Q1 Current [Amps] | θe [deg] | Q2 [GeV2] | Electron Rate [Hz] at 15 μA | PAC days at 15 μA |
| 15 cm LH2 | 2 x 2 mm2 | 8.517 | 1.804 | 361.54 | 53.47 | 12.56 | 0.011 | 19 (for 17k events) |
| 15 cm Dummy | 2 x 2 mm2 | 8.517 | 1.804 | 361.54 | 53.47 | 12.56 | ---- | 1 hour |
| Single Carbon | Off | 8.517 | 0.85 | 170.35 | 53.47 | 5.86 | 0.83 | 1 hour (for 3k events) |
- 5th Pass (Ebeam = 10.6 GeV) Time estimate: 22 days @ 15 μA
| Target | Raster | Ebeam [GeV] | P0 [GeV/c] | Q1 current [Amps] | θe [deg] | Q2 [GeV2] | Electron Rate [Hz] at 15 μA | PAC days at 15 μA |
| 15 cm LH2 | 2 x 2 mm2 | 10.617 | 2.165 | 433.89 | 48.75 | 15.82 | 0.003 | 22 (for 5.7k events) |
| 15 cm Dummy | 2 x 2 mm2 | 10.617 | 2.165 | 433.89 | 48.75 | 15.82 | ---- | 1 hour |
| Optics | Off | 10.617 | 0.85 | 170.35 | 48.75 | 6.15 | 3.0 | 0.5 hour (for 5.4k events) |
