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 : | 4.2 — 5 GeV2 | |
|---|---|---|
| W : | 1.825 — 1.85 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 | 0.0967 | 0.0587 | 0.0251 | 0.0639 |
| 54 | 0.1654 | 0.0185 | 0.0334 | 0.0381 |
| 90 | 0.2244 | 0.0193 | 0.0424 | 0.0466 |
| 126 | 0.2502 | 0.0189 | 0.0454 | 0.0492 |
| 162 | 0.2465 | 0.02 | 0.0441 | 0.0484 |
| 198 | 0.256 | 0.019 | 0.0449 | 0.0488 |
| 234 | 0.248 | 0.0288 | 0.045 | 0.0535 |
| 270 | 0.2107 | 0.0207 | 0.0413 | 0.0462 |
| 306 | 0.1807 | 0.0193 | 0.035 | 0.04 |
| 342 | 0.1746 | 0.021 | 0.033 | 0.0391 |