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 : | 1.95 — 1.975 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 | 0.1674 | 0.0217 | 0.0435 | 0.0486 |
| 54 | 0.1697 | 0.0133 | 0.0454 | 0.0473 |
| 90 | 0.2201 | 0.0174 | 0.0543 | 0.057 |
| 126 | 0.3117 | 0.0302 | 0.0631 | 0.0699 |
| 162 | 0.3097 | 0.0256 | 0.0611 | 0.0663 |
| 198 | 0.318 | 0.0229 | 0.0617 | 0.0658 |
| 234 | 0.288 | 0.0226 | 0.0605 | 0.0645 |
| 270 | 0.1995 | 0.0159 | 0.0518 | 0.0542 |
| 306 | 0.2046 | 0.0271 | 0.0491 | 0.0561 |
| 342 | 0.1851 | 0.0174 | 0.0455 | 0.0487 |