Parameter (X axis): ψ(π−), 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(π−), mcb/rad
Differential cross section, where ψ(π−) is out-of-plane angle of p 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 : | 1.525 — 1.55 GeV | |
| Ebeam : | 5.754 GeV |
|
Observable quantity measured (Y axis): dσ/dψ(π−), mcb/rad
Parameter (X axis): ψ(π−), deg |
Click here to get data in text file, delimited with tabs.
Measured data:
|
ψ(π−),
deg |
dσ/dψ(π−),
mcb/rad |
Stat. error,
mcb/rad |
Syst. error,
mcb/rad |
Total error,
mcb/rad |
|---|---|---|---|---|
| 18 | 0.0904 | 0.0137 | 0.0317 | 0.0346 |
| 54 | 0.0849 | 0.011 | 0.0236 | 0.026 |
| 90 | 0.0927 | 0.026 | 0.024 | 0.0354 |
| 126 | 0.1605 | 0.0189 | 0.0359 | 0.0406 |
| 162 | 0.1701 | 0.017 | 0.0365 | 0.0513 |
| 198 | 0.1564 | 0.0227 | 0.0342 | 0.0487 |
| 234 | 0.1608 | 0.0176 | 0.0359 | 0.04 |
| 270 | 0.1132 | 0.0134 | 0.0279 | 0.0391 |
| 306 | 0.0895 | 0.0113 | 0.0243 | 0.0268 |
| 342 | 0.0807 | 0.0127 | 0.0304 | 0.0329 |