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 : | 1.425 — 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 | 0.0977 | 0.0169 | 0.0292 | 0.0337 |
| 54 | 0.084 | 0.0122 | 0.0259 | 0.0286 |
| 90 | 0.1008 | 0.0191 | 0.0297 | 0.0353 |
| 126 | 0.0978 | 0.0118 | 0.029 | 0.0313 |
| 162 | 0.1246 | 0.0136 | 0.0349 | 0.0375 |
| 198 | 0.1381 | 0.0168 | 0.038 | 0.0416 |
| 234 | 0.1062 | 0.014 | 0.0308 | 0.0339 |
| 270 | 0.0926 | 0.0152 | 0.0279 | 0.0318 |
| 306 | 0.0825 | 0.0139 | 0.0257 | 0.0292 |
| 342 | 0.1024 | 0.0141 | 0.0303 | 0.0334 |