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 : | 4.2 — 5 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 | 0.0768 | 0.0401 | 0.0249 | 0.0472 |
| 54 | 0.1487 | 0.0208 | 0.0369 | 0.0424 |
| 90 | 0.187 | 0.0223 | 0.0439 | 0.0492 |
| 126 | 0.2417 | 0.03 | 0.053 | 0.0609 |
| 162 | 0.2299 | 0.0243 | 0.0504 | 0.0712 |
| 198 | 0.2517 | 0.0246 | 0.0542 | 0.0769 |
| 234 | 0.2102 | 0.0304 | 0.0475 | 0.0564 |
| 270 | 0.1771 | 0.0179 | 0.042 | 0.0457 |
| 306 | 0.1512 | 0.0216 | 0.0379 | 0.0436 |
| 342 | 0.1171 | 0.0131 | 0.0315 | 0.0443 |