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 : | 4.2 — 5 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 | 0.228 | 0.0254 | 0.06 | 0.0651 |
| 54 | 0.1872 | 0.0134 | 0.0449 | 0.0469 |
| 90 | 0.2058 | 0.0161 | 0.0469 | 0.0496 |
| 126 | 0.269 | 0.026 | 0.0572 | 0.0628 |
| 162 | 0.2361 | 0.0202 | 0.0525 | 0.0563 |
| 198 | 0.2572 | 0.02 | 0.0553 | 0.0588 |
| 234 | 0.2114 | 0.0158 | 0.0511 | 0.0535 |
| 270 | 0.2227 | 0.017 | 0.0486 | 0.0515 |
| 306 | 0.2059 | 0.0152 | 0.047 | 0.0494 |
| 342 | 0.2307 | 0.0228 | 0.0593 | 0.0636 |