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 : | 2 — 2.025 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 | 0.226 | 0.0209 | 0.0463 | 0.0508 |
| 54 | 0.2393 | 0.017 | 0.0497 | 0.0525 |
| 90 | 0.2794 | 0.0207 | 0.0567 | 0.0604 |
| 126 | 0.3998 | 0.042 | 0.0672 | 0.0793 |
| 162 | 0.4378 | 0.0262 | 0.0701 | 0.0748 |
| 198 | 0.4326 | 0.0241 | 0.0698 | 0.0739 |
| 234 | 0.3807 | 0.0306 | 0.0656 | 0.0724 |
| 270 | 0.324 | 0.0281 | 0.0602 | 0.0665 |
| 306 | 0.2365 | 0.021 | 0.0486 | 0.0529 |
| 342 | 0.1951 | 0.0139 | 0.0436 | 0.0458 |