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 : | 1.95 — 1.975 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 | 0.4011 | 0.0282 | 0.0702 | 0.0993 |
| 54 | 0.413 | 0.0417 | 0.0726 | 0.1021 |
| 90 | 0.4055 | 0.0218 | 0.0742 | 0.0773 |
| 126 | 0.6077 | 0.0384 | 0.0926 | 0.1316 |
| 162 | 0.6112 | 0.0349 | 0.0926 | 0.1319 |
| 198 | 0.5856 | 0.0278 | 0.0903 | 0.128 |
| 234 | 0.5604 | 0.0425 | 0.0893 | 0.1265 |
| 270 | 0.4508 | 0.0348 | 0.0782 | 0.0856 |
| 306 | 0.3627 | 0.0227 | 0.0686 | 0.0978 |
| 342 | 0.3584 | 0.022 | 0.0659 | 0.0926 |