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 : | 1.925 — 1.95 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 | 0.1978 | 0.029 | 0.0454 | 0.0539 |
| 54 | 0.1756 | 0.0194 | 0.0442 | 0.0483 |
| 90 | 0.2542 | 0.029 | 0.0567 | 0.0637 |
| 126 | 0.2666 | 0.0263 | 0.0573 | 0.063 |
| 162 | 0.3297 | 0.0293 | 0.0625 | 0.069 |
| 198 | 0.3145 | 0.0217 | 0.0611 | 0.0648 |
| 234 | 0.3051 | 0.0309 | 0.0615 | 0.0688 |
| 270 | 0.2052 | 0.0163 | 0.0512 | 0.0537 |
| 306 | 0.1937 | 0.0188 | 0.0466 | 0.0503 |
| 342 | 0.1882 | 0.0223 | 0.0443 | 0.0496 |