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 : | 3.5 — 4.2 GeV2 | |
|---|---|---|
| W : | 1.975 — 2 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 | 0.2938 | 0.0327 | 0.0721 | 0.0791 |
| 54 | 0.2913 | 0.0235 | 0.0598 | 0.0642 |
| 90 | 0.3048 | 0.0283 | 0.0604 | 0.0667 |
| 126 | 0.3305 | 0.0219 | 0.0661 | 0.0697 |
| 162 | 0.3711 | 0.0232 | 0.0691 | 0.0729 |
| 198 | 0.391 | 0.0335 | 0.072 | 0.0794 |
| 234 | 0.3044 | 0.0181 | 0.063 | 0.0655 |
| 270 | 0.3237 | 0.0301 | 0.0627 | 0.0696 |
| 306 | 0.285 | 0.0189 | 0.0593 | 0.0622 |
| 342 | 0.3184 | 0.0248 | 0.0741 | 0.0781 |