Parameter (X axis): ψ(p), 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(p), mcb/rad
Differential cross section, where ψ(p) is out-of-plane angle of π+ 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 : | 1.425 — 1.45 GeV | |
| Ebeam : | 5.754 GeV |
|
Observable quantity measured (Y axis): dσ/dψ(p), mcb/rad
Parameter (X axis): ψ(p), deg |
Click here to get data in text file, delimited with tabs.
Measured data:
|
ψ(p),
deg |
dσ/dψ(p),
mcb/rad |
Stat. error,
mcb/rad |
Syst. error,
mcb/rad |
Total error,
mcb/rad |
|---|---|---|---|---|
| 18 | 0.1076 | 0.018 | 0.0382 | 0.0422 |
| 54 | 0.0726 | 0.0108 | 0.0245 | 0.0268 |
| 90 | 0.0868 | 0.012 | 0.0258 | 0.0285 |
| 126 | 0.0946 | 0.0137 | 0.0271 | 0.0304 |
| 162 | 0.1314 | 0.0201 | 0.035 | 0.0404 |
| 198 | 0.1262 | 0.0147 | 0.034 | 0.037 |
| 234 | 0.0961 | 0.0127 | 0.0277 | 0.0305 |
| 270 | 0.0788 | 0.0125 | 0.0247 | 0.0276 |
| 306 | 0.0997 | 0.0175 | 0.0313 | 0.0359 |
| 342 | 0.097 | 0.0122 | 0.0361 | 0.0381 |