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 : | 1.9 — 1.925 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 | 0.2114 | 0.0557 | 0.0524 | 0.0765 |
| 54 | 0.3127 | 0.0274 | 0.0454 | 0.0531 |
| 90 | 0.3658 | 0.0275 | 0.0518 | 0.0586 |
| 126 | 0.4493 | 0.033 | 0.0612 | 0.0695 |
| 162 | 0.4825 | 0.043 | 0.0636 | 0.0768 |
| 198 | 0.5147 | 0.0318 | 0.0676 | 0.0747 |
| 234 | 0.3875 | 0.0418 | 0.0549 | 0.0691 |
| 270 | 0.335 | 0.0279 | 0.0483 | 0.0558 |
| 306 | 0.34 | 0.0357 | 0.0478 | 0.0597 |
| 342 | 0.322 | 0.0263 | 0.0623 | 0.0676 |