Parameter (X axis): ψ(p), 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(p), mcb/rad
Differential cross section, where ψ(p) is out-of-plane angle of π+ and π− in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none
| Q2 : | 2 — 2.4 GeV2 | |
|---|---|---|
| W : | 1.95 — 1.975 GeV | |
| Ebeam : | 5.754 GeV |
|
Observable quantity measured (Y axis): dσ/dψ(p), mcb/rad
Parameter (X axis): ψ(p), deg |
Click here to get data in text file, delimited with tabs.
Measured data:
|
ψ(p),
deg |
dσ/dψ(p),
mcb/rad |
Stat. error,
mcb/rad |
Syst. error,
mcb/rad |
Total error,
mcb/rad |
|---|---|---|---|---|
| 18 | 0.8866 | 0.0436 | 0.1636 | 0.2314 |
| 54 | 0.9143 | 0.045 | 0.1278 | 0.1355 |
| 90 | 0.9004 | 0.0466 | 0.1182 | 0.1271 |
| 126 | 0.9751 | 0.048 | 0.1243 | 0.1784 |
| 162 | 0.9605 | 0.0488 | 0.1188 | 0.168 |
| 198 | 1.0059 | 0.0534 | 0.1216 | 0.1732 |
| 234 | 0.8965 | 0.0453 | 0.1166 | 0.164 |
| 270 | 0.8731 | 0.1278 | 0.1152 | 0.172 |
| 306 | 0.869 | 0.0459 | 0.1229 | 0.1312 |
| 342 | 0.8501 | 0.0395 | 0.1593 | 0.2326 |