Parameter (X axis): ψ(p), deg
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Experiment: E1-6, 2025, 2001
Spokespersons: R.W. Gothe, A. Trivedi
Experiment comment: Experiment year: 2001—2002
Measurement comment: The angle ψ is the angle between the plane defined by the three-momenta of the hadron (in parentheses) and the target proton, and the plane defined by the three-momenta of the other two final-state hadrons
No publications available for this experiment
Quantity measured: dσ/dψ(p), mcb/rad
Differential cross section, where ψ(p) is out-of-plane angle of π+ and π− in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none
| Q2 : | 3 — 3.5 GeV2 | |
|---|---|---|
| W : | 1.9 — 1.925 GeV | |
| Ebeam : | 5.754 GeV |
|
Observable quantity measured (Y axis): dσ/dψ(p), mcb/rad
Parameter (X axis): ψ(p), deg |
Click here to get data in text file, delimited with tabs.
Measured data:
|
ψ(p),
deg |
dσ/dψ(p),
mcb/rad |
Stat. error,
mcb/rad |
Syst. error,
mcb/rad |
Total error,
mcb/rad |
|---|---|---|---|---|
| 18 | 0.5146 | 0.0366 | 0.0899 | 0.097 |
| 54 | 0.5216 | 0.0351 | 0.0684 | 0.0769 |
| 90 | 0.5645 | 0.0487 | 0.0683 | 0.0839 |
| 126 | 0.5134 | 0.0391 | 0.0653 | 0.0761 |
| 162 | 0.5328 | 0.0452 | 0.0652 | 0.0794 |
| 198 | 0.5976 | 0.0477 | 0.0707 | 0.0853 |
| 234 | 0.613 | 0.0712 | 0.0742 | 0.1029 |
| 270 | 0.5014 | 0.0346 | 0.0624 | 0.0714 |
| 306 | 0.622 | 0.0445 | 0.0764 | 0.0884 |
| 342 | 0.4907 | 0.0452 | 0.0869 | 0.0979 |