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 : | 3.5 — 4.2 GeV2 | |
|---|---|---|
| W : | 1.975 — 2 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 | 0.2392 | 0.0225 | 0.0575 | 0.0617 |
| 54 | 0.2881 | 0.0278 | 0.049 | 0.0564 |
| 90 | 0.2994 | 0.026 | 0.0556 | 0.0614 |
| 126 | 0.4336 | 0.0404 | 0.0713 | 0.0819 |
| 162 | 0.4728 | 0.0302 | 0.0741 | 0.0801 |
| 198 | 0.458 | 0.0326 | 0.0726 | 0.0795 |
| 234 | 0.3752 | 0.0288 | 0.0653 | 0.0714 |
| 270 | 0.3564 | 0.03 | 0.0604 | 0.0674 |
| 306 | 0.2357 | 0.044 | 0.0437 | 0.062 |
| 342 | 0.252 | 0.0181 | 0.0588 | 0.0616 |