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 : | 1.925 — 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 | 0.2796 | 0.0335 | 0.0561 | 0.0653 |
| 54 | 0.2676 | 0.0208 | 0.0411 | 0.0461 |
| 90 | 0.2606 | 0.0186 | 0.0433 | 0.0471 |
| 126 | 0.354 | 0.029 | 0.0536 | 0.0609 |
| 162 | 0.5074 | 0.0308 | 0.0681 | 0.0748 |
| 198 | 0.4223 | 0.0273 | 0.0602 | 0.0661 |
| 234 | 0.4132 | 0.0318 | 0.0598 | 0.0677 |
| 270 | 0.2986 | 0.0239 | 0.0466 | 0.0524 |
| 306 | 0.2599 | 0.0278 | 0.0402 | 0.0489 |
| 342 | 0.258 | 0.0197 | 0.0537 | 0.0572 |