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 : | 3.5 — 4.2 GeV2 | |
|---|---|---|
| W : | 1.925 — 1.95 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 | 0.2713 | 0.0204 | 0.0503 | 0.0543 |
| 54 | 0.2625 | 0.0339 | 0.0503 | 0.0607 |
| 90 | 0.2992 | 0.0269 | 0.057 | 0.063 |
| 126 | 0.4453 | 0.0614 | 0.0708 | 0.0937 |
| 162 | 0.4461 | 0.03 | 0.0699 | 0.0761 |
| 198 | 0.4639 | 0.0306 | 0.0716 | 0.0779 |
| 234 | 0.4025 | 0.0322 | 0.0663 | 0.0738 |
| 270 | 0.3118 | 0.0279 | 0.0579 | 0.0643 |
| 306 | 0.2503 | 0.0204 | 0.0489 | 0.053 |
| 342 | 0.2553 | 0.022 | 0.0484 | 0.0532 |