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 : | 1.5 — 1.525 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 | 0.2572 | 0.03 | 0.0579 | 0.0652 |
| 54 | 0.2558 | 0.0247 | 0.0426 | 0.0492 |
| 90 | 0.2885 | 0.0249 | 0.0441 | 0.0506 |
| 126 | 0.3434 | 0.0291 | 0.0501 | 0.058 |
| 162 | 0.2806 | 0.0227 | 0.0413 | 0.0594 |
| 198 | 0.3466 | 0.025 | 0.0499 | 0.0706 |
| 234 | 0.3243 | 0.0244 | 0.0476 | 0.0535 |
| 270 | 0.2697 | 0.0243 | 0.0416 | 0.0482 |
| 306 | 0.257 | 0.0266 | 0.043 | 0.0505 |
| 342 | 0.2485 | 0.0259 | 0.0553 | 0.0611 |