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 : | 1.575 — 1.6 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 | 0.0693 | 0.0144 | 0.0278 | 0.039 |
| 54 | 0.0893 | 0.024 | 0.0271 | 0.0389 |
| 90 | 0.1522 | 0.0182 | 0.0428 | 0.0466 |
| 126 | 0.1536 | 0.0206 | 0.0429 | 0.0476 |
| 162 | 0.1773 | 0.0193 | 0.0481 | 0.0518 |
| 198 | 0.168 | 0.0162 | 0.0458 | 0.0486 |
| 234 | 0.1241 | 0.0133 | 0.0356 | 0.038 |
| 270 | 0.1358 | 0.0152 | 0.0384 | 0.0413 |
| 306 | 0.1216 | 0.0165 | 0.0355 | 0.0503 |
| 342 | 0.0836 | 0.0203 | 0.0316 | 0.0445 |