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 : | 1.95 — 1.975 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 | 0.1826 | 0.0172 | 0.0494 | 0.0523 |
| 54 | 0.1575 | 0.0162 | 0.0373 | 0.0407 |
| 90 | 0.2457 | 0.0237 | 0.0503 | 0.0556 |
| 126 | 0.2325 | 0.0172 | 0.0544 | 0.0571 |
| 162 | 0.3916 | 0.0301 | 0.0685 | 0.0748 |
| 198 | 0.3118 | 0.0231 | 0.06 | 0.0643 |
| 234 | 0.2621 | 0.0222 | 0.0571 | 0.0612 |
| 270 | 0.2053 | 0.0157 | 0.0466 | 0.0491 |
| 306 | 0.1499 | 0.0127 | 0.036 | 0.0382 |
| 342 | 0.1694 | 0.0241 | 0.0479 | 0.0536 |