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 : | 3.5 — 4.2 GeV2 | |
|---|---|---|
| W : | 1.45 — 1.475 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 | 0.1483 | 0.0141 | 0.0252 | 0.0289 |
| 54 | 0.1639 | 0.0153 | 0.0265 | 0.0306 |
| 90 | 0.2106 | 0.0168 | 0.0308 | 0.0435 |
| 126 | 0.1976 | 0.0188 | 0.0295 | 0.035 |
| 162 | 0.2205 | 0.0181 | 0.0315 | 0.0363 |
| 198 | 0.2168 | 0.019 | 0.0309 | 0.0363 |
| 234 | 0.178 | 0.0206 | 0.0273 | 0.0342 |
| 270 | 0.1744 | 0.0142 | 0.0274 | 0.0386 |
| 306 | 0.1545 | 0.0132 | 0.0255 | 0.0288 |
| 342 | 0.1564 | 0.0161 | 0.026 | 0.0306 |