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 : | 3 — 3.5 GeV2 | |
|---|---|---|
| W : | 1.8 — 1.825 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 | 0.4678 | 0.0413 | 0.0822 | 0.092 |
| 54 | 0.5304 | 0.047 | 0.0654 | 0.0805 |
| 90 | 0.473 | 0.0334 | 0.0574 | 0.0664 |
| 126 | 0.5454 | 0.0389 | 0.0648 | 0.0756 |
| 162 | 0.6159 | 0.0377 | 0.0674 | 0.0772 |
| 198 | 0.6455 | 0.0505 | 0.0713 | 0.0873 |
| 234 | 0.5646 | 0.0391 | 0.0674 | 0.078 |
| 270 | 0.5077 | 0.045 | 0.0607 | 0.0756 |
| 306 | 0.4463 | 0.0742 | 0.0573 | 0.0938 |
| 342 | 0.4951 | 0.0398 | 0.0841 | 0.0931 |