Parameter (X axis): ψ(π+), 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(π+), mcb/rad
Differential cross section, where ψ(π+) is out-of-plane angle of p and π− in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none
| Q2 : | 3.5 — 4.2 GeV2 | |
|---|---|---|
| W : | 1.975 — 2 GeV | |
| Ebeam : | 5.754 GeV |
|
Observable quantity measured (Y axis): dσ/dψ(π+), mcb/rad
Parameter (X axis): ψ(π+), deg |
Click here to get data in text file, delimited with tabs.
Measured data:
|
ψ(π+),
deg |
dσ/dψ(π+),
mcb/rad |
Stat. error,
mcb/rad |
Syst. error,
mcb/rad |
Total error,
mcb/rad |
|---|---|---|---|---|
| 18 | 0.2624 | 0.0223 | 0.0544 | 0.0588 |
| 54 | 0.1881 | 0.0869 | 0.0482 | 0.0993 |
| 90 | 0.3299 | 0.0253 | 0.0669 | 0.0715 |
| 126 | 0.3922 | 0.0348 | 0.0731 | 0.0809 |
| 162 | 0.4207 | 0.0426 | 0.075 | 0.0862 |
| 198 | 0.5035 | 0.0301 | 0.084 | 0.0893 |
| 234 | 0.3968 | 0.0315 | 0.0729 | 0.0794 |
| 270 | 0.3345 | 0.0315 | 0.0678 | 0.0748 |
| 306 | 0.2817 | 0.024 | 0.0588 | 0.0635 |
| 342 | 0.2613 | 0.033 | 0.0544 | 0.0636 |