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 : | 1.85 — 1.875 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 | 0.203 | 0.0229 | 0.0492 | 0.0542 |
| 54 | 0.2395 | 0.0297 | 0.0425 | 0.0519 |
| 90 | 0.2561 | 0.0274 | 0.0474 | 0.0547 |
| 126 | 0.2674 | 0.0253 | 0.0518 | 0.0576 |
| 162 | 0.3806 | 0.0375 | 0.0629 | 0.0732 |
| 198 | 0.2638 | 0.0296 | 0.0505 | 0.0585 |
| 234 | 0.274 | 0.0269 | 0.0519 | 0.0584 |
| 270 | 0.227 | 0.022 | 0.0441 | 0.0493 |
| 306 | 0.2205 | 0.0234 | 0.0405 | 0.0468 |
| 342 | 0.1835 | 0.0177 | 0.0471 | 0.0504 |