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 : | 1.45 — 1.475 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 | 0.1567 | 0.0175 | 0.0341 | 0.0383 |
| 54 | 0.119 | 0.0579 | 0.0202 | 0.0613 |
| 90 | 0.1649 | 0.0164 | 0.0218 | 0.0273 |
| 126 | 0.2271 | 0.0233 | 0.0264 | 0.0352 |
| 162 | 0.2096 | 0.0163 | 0.024 | 0.0291 |
| 198 | 0.2229 | 0.018 | 0.0252 | 0.0309 |
| 234 | 0.2182 | 0.0184 | 0.0255 | 0.0315 |
| 270 | 0.1925 | 0.019 | 0.0239 | 0.0305 |
| 306 | 0.177 | 0.0203 | 0.0253 | 0.0325 |
| 342 | 0.1572 | 0.0196 | 0.0345 | 0.0397 |