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 : | 1.9 — 1.925 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 | 0.4614 | 0.0302 | 0.0741 | 0.08 |
| 54 | 0.4531 | 0.0376 | 0.0752 | 0.0841 |
| 90 | 0.521 | 0.0346 | 0.0822 | 0.0892 |
| 126 | 0.6327 | 0.0993 | 0.0922 | 0.1355 |
| 162 | 0.6747 | 0.0514 | 0.095 | 0.108 |
| 198 | 0.725 | 0.0393 | 0.1001 | 0.1075 |
| 234 | 0.5868 | 0.0547 | 0.0877 | 0.1034 |
| 270 | 0.5037 | 0.0322 | 0.0805 | 0.0867 |
| 306 | 0.4652 | 0.0313 | 0.076 | 0.0822 |
| 342 | 0.453 | 0.0397 | 0.0731 | 0.0832 |