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 : | 1.6 — 1.625 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 | 0.1727 | 0.0173 | 0.0411 | 0.0446 |
| 54 | 0.1875 | 0.0156 | 0.0434 | 0.0461 |
| 90 | 0.2771 | 0.0279 | 0.0577 | 0.064 |
| 126 | 0.286 | 0.0228 | 0.0589 | 0.0632 |
| 162 | 0.3824 | 0.0258 | 0.0737 | 0.0781 |
| 198 | 0.3705 | 0.0292 | 0.0716 | 0.0773 |
| 234 | 0.2899 | 0.0226 | 0.0596 | 0.0638 |
| 270 | 0.2632 | 0.0256 | 0.0556 | 0.0612 |
| 306 | 0.1845 | 0.0159 | 0.0429 | 0.0457 |
| 342 | 0.192 | 0.0231 | 0.0441 | 0.0498 |