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 : | 1.525 — 1.55 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 | 0.0756 | 0.0095 | 0.0236 | 0.0254 |
| 54 | 0.1021 | 0.0108 | 0.0284 | 0.0405 |
| 90 | 0.1201 | 0.0148 | 0.0319 | 0.0351 |
| 126 | 0.179 | 0.0185 | 0.0423 | 0.06 |
| 162 | 0.1738 | 0.0196 | 0.0409 | 0.0577 |
| 198 | 0.221 | 0.02 | 0.0493 | 0.0695 |
| 234 | 0.2032 | 0.0259 | 0.0469 | 0.0663 |
| 270 | 0.1211 | 0.0166 | 0.0321 | 0.0361 |
| 306 | 0.0727 | 0.0099 | 0.0232 | 0.0333 |
| 342 | 0.099 | 0.0159 | 0.0278 | 0.032 |