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 : | 1.6 — 1.625 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 | 0.4114 | 0.0325 | 0.0651 | 0.0923 |
| 54 | 0.3835 | 0.0328 | 0.0517 | 0.0613 |
| 90 | 0.3127 | 0.0252 | 0.041 | 0.0481 |
| 126 | 0.3262 | 0.0235 | 0.0413 | 0.0475 |
| 162 | 0.3167 | 0.022 | 0.0398 | 0.0455 |
| 198 | 0.3448 | 0.0224 | 0.043 | 0.0485 |
| 234 | 0.3198 | 0.0305 | 0.0411 | 0.0512 |
| 270 | 0.3146 | 0.0286 | 0.0414 | 0.0503 |
| 306 | 0.4162 | 0.0314 | 0.0556 | 0.0638 |
| 342 | 0.43 | 0.0439 | 0.068 | 0.0968 |