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 : | 1.55 — 1.575 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 | 0.2341 | 0.0179 | 0.0586 | 0.0613 |
| 54 | 0.2458 | 0.0369 | 0.061 | 0.0713 |
| 90 | 0.2896 | 0.0193 | 0.0671 | 0.0698 |
| 126 | 0.3485 | 0.0199 | 0.0764 | 0.0789 |
| 162 | 0.4993 | 0.0334 | 0.1008 | 0.1444 |
| 198 | 0.4493 | 0.0326 | 0.0925 | 0.1309 |
| 234 | 0.4276 | 0.0303 | 0.0895 | 0.0945 |
| 270 | 0.2714 | 0.0197 | 0.0646 | 0.0675 |
| 306 | 0.2384 | 0.0244 | 0.0594 | 0.0642 |
| 342 | 0.23 | 0.0169 | 0.0582 | 0.0606 |