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 — 3.5 GeV2 | |
|---|---|---|
| W : | 1.875 — 1.9 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 | 0.4346 | 0.0305 | 0.0644 | 0.0713 |
| 54 | 0.4999 | 0.0362 | 0.0707 | 0.0795 |
| 90 | 0.4885 | 0.0331 | 0.0705 | 0.0779 |
| 126 | 0.6539 | 0.0503 | 0.0841 | 0.1191 |
| 162 | 0.5901 | 0.033 | 0.078 | 0.1104 |
| 198 | 0.5762 | 0.051 | 0.0777 | 0.11 |
| 234 | 0.55 | 0.0397 | 0.0756 | 0.1077 |
| 270 | 0.4898 | 0.0334 | 0.0695 | 0.0771 |
| 306 | 0.4689 | 0.0341 | 0.0686 | 0.0765 |
| 342 | 0.4447 | 0.0308 | 0.065 | 0.0719 |