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 : | 1.675 — 1.7 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 | 0.1904 | 0.021 | 0.0337 | 0.0479 |
| 54 | 0.2133 | 0.0221 | 0.036 | 0.0423 |
| 90 | 0.2527 | 0.0234 | 0.0416 | 0.0477 |
| 126 | 0.313 | 0.0313 | 0.048 | 0.0681 |
| 162 | 0.382 | 0.0423 | 0.0532 | 0.0753 |
| 198 | 0.3356 | 0.0258 | 0.0485 | 0.0688 |
| 234 | 0.329 | 0.027 | 0.0495 | 0.0696 |
| 270 | 0.2206 | 0.0195 | 0.0384 | 0.0431 |
| 306 | 0.2055 | 0.0204 | 0.0356 | 0.041 |
| 342 | 0.177 | 0.0175 | 0.0321 | 0.0457 |