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 — 3.5 GeV2 | |
|---|---|---|
| W : | 1.425 — 1.45 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 | 0.1903 | 0.0176 | 0.0408 | 0.0583 |
| 54 | 0.1795 | 0.018 | 0.0392 | 0.0431 |
| 90 | 0.1883 | 0.015 | 0.0401 | 0.0428 |
| 126 | 0.2098 | 0.0176 | 0.0427 | 0.0462 |
| 162 | 0.2394 | 0.0172 | 0.0471 | 0.0501 |
| 198 | 0.266 | 0.021 | 0.0508 | 0.055 |
| 234 | 0.2266 | 0.021 | 0.0454 | 0.05 |
| 270 | 0.2078 | 0.0184 | 0.0425 | 0.0463 |
| 306 | 0.2036 | 0.0186 | 0.0425 | 0.0464 |
| 342 | 0.1788 | 0.0155 | 0.0389 | 0.0554 |