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 : | 1.95 — 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 | 0.2316 | 0.0254 | 0.0626 | 0.0676 |
| 54 | 0.2986 | 0.0229 | 0.0563 | 0.0608 |
| 90 | 0.3074 | 0.0254 | 0.0612 | 0.0662 |
| 126 | 0.4082 | 0.0353 | 0.0759 | 0.0837 |
| 162 | 0.4381 | 0.0238 | 0.0787 | 0.0822 |
| 198 | 0.4633 | 0.0275 | 0.0826 | 0.087 |
| 234 | 0.4122 | 0.0338 | 0.0765 | 0.0837 |
| 270 | 0.3705 | 0.0346 | 0.0686 | 0.0768 |
| 306 | 0.323 | 0.0292 | 0.0598 | 0.0665 |
| 342 | 0.2491 | 0.0205 | 0.0658 | 0.0689 |