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 — 3.5 GeV2 | |
|---|---|---|
| W : | 1.85 — 1.875 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 | 0.5739 | 0.0533 | 0.0962 | 0.1099 |
| 54 | 0.5329 | 0.0405 | 0.0726 | 0.0831 |
| 90 | 0.4601 | 0.0342 | 0.0611 | 0.07 |
| 126 | 0.4599 | 0.0311 | 0.0614 | 0.0689 |
| 162 | 0.5295 | 0.0531 | 0.0663 | 0.0849 |
| 198 | 0.5842 | 0.0454 | 0.0714 | 0.0846 |
| 234 | 0.5364 | 0.0515 | 0.0683 | 0.0856 |
| 270 | 0.5915 | 0.0437 | 0.0755 | 0.0872 |
| 306 | 0.5564 | 0.0628 | 0.0746 | 0.0975 |
| 342 | 0.5924 | 0.0547 | 0.0989 | 0.113 |