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 : | 1.8 — 1.825 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 | 0.186 | 0.0234 | 0.0322 | 0.0398 |
| 54 | 0.2374 | 0.0277 | 0.0381 | 0.0472 |
| 90 | 0.2333 | 0.0226 | 0.0404 | 0.0463 |
| 126 | 0.3258 | 0.0444 | 0.0495 | 0.0665 |
| 162 | 0.3283 | 0.0282 | 0.0483 | 0.056 |
| 198 | 0.263 | 0.0217 | 0.0426 | 0.0478 |
| 234 | 0.2797 | 0.0255 | 0.0447 | 0.0515 |
| 270 | 0.2324 | 0.0319 | 0.04 | 0.0512 |
| 306 | 0.2083 | 0.022 | 0.0357 | 0.0419 |
| 342 | 0.1591 | 0.0156 | 0.0301 | 0.0339 |