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 : | 1.875 — 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 | 0.1449 | 0.0176 | 0.0316 | 0.0362 |
| 54 | 0.1934 | 0.021 | 0.0373 | 0.0428 |
| 90 | 0.2206 | 0.0433 | 0.0436 | 0.0615 |
| 126 | 0.2758 | 0.0277 | 0.0491 | 0.0564 |
| 162 | 0.3472 | 0.0285 | 0.0545 | 0.0615 |
| 198 | 0.3172 | 0.0234 | 0.0512 | 0.0563 |
| 234 | 0.2514 | 0.0206 | 0.0462 | 0.0506 |
| 270 | 0.2094 | 0.0287 | 0.0419 | 0.0508 |
| 306 | 0.2097 | 0.0297 | 0.0396 | 0.0495 |
| 342 | 0.1777 | 0.02 | 0.035 | 0.0404 |