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 : | 1.5 — 1.525 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 | 0.3234 | 0.0219 | 0.0606 | 0.0866 |
| 54 | 0.3052 | 0.0227 | 0.0575 | 0.0815 |
| 90 | 0.3783 | 0.0248 | 0.0666 | 0.0711 |
| 126 | 0.4305 | 0.0271 | 0.0725 | 0.0774 |
| 162 | 0.5009 | 0.0294 | 0.0805 | 0.1137 |
| 198 | 0.4561 | 0.0409 | 0.0751 | 0.1068 |
| 234 | 0.3914 | 0.0245 | 0.0676 | 0.0719 |
| 270 | 0.3661 | 0.0328 | 0.0648 | 0.0726 |
| 306 | 0.3289 | 0.0259 | 0.0607 | 0.086 |
| 342 | 0.308 | 0.0248 | 0.0587 | 0.083 |