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 : | 1.8 — 1.825 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 | 0.2168 | 0.0172 | 0.0484 | 0.0514 |
| 54 | 0.2357 | 0.021 | 0.039 | 0.0443 |
| 90 | 0.207 | 0.0191 | 0.0351 | 0.0399 |
| 126 | 0.271 | 0.0266 | 0.0418 | 0.0496 |
| 162 | 0.2284 | 0.018 | 0.0378 | 0.0419 |
| 198 | 0.2584 | 0.0306 | 0.0406 | 0.0509 |
| 234 | 0.2055 | 0.0171 | 0.0362 | 0.0401 |
| 270 | 0.2029 | 0.0166 | 0.0349 | 0.0386 |
| 306 | 0.2171 | 0.0174 | 0.0372 | 0.0411 |
| 342 | 0.2292 | 0.0207 | 0.049 | 0.0532 |