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 : | 1.525 — 1.55 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 | 0.1374 | 0.0148 | 0.0367 | 0.052 |
| 54 | 0.1871 | 0.0144 | 0.0445 | 0.0468 |
| 90 | 0.2282 | 0.021 | 0.051 | 0.0552 |
| 126 | 0.2706 | 0.0191 | 0.0569 | 0.0799 |
| 162 | 0.3188 | 0.0201 | 0.0644 | 0.0909 |
| 198 | 0.3264 | 0.0212 | 0.0653 | 0.0923 |
| 234 | 0.327 | 0.0282 | 0.0657 | 0.0926 |
| 270 | 0.198 | 0.0313 | 0.0463 | 0.0559 |
| 306 | 0.2004 | 0.0182 | 0.0466 | 0.05 |
| 342 | 0.1663 | 0.0148 | 0.0412 | 0.0587 |