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 : | 2.1 — 2.125 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 | 0.2464 | 0.0233 | 0.0568 | 0.0614 |
| 54 | 0.2521 | 0.021 | 0.0459 | 0.0505 |
| 90 | 0.3245 | 0.0446 | 0.0565 | 0.072 |
| 126 | 0.437 | 0.0338 | 0.0681 | 0.0761 |
| 162 | 0.5671 | 0.0347 | 0.0819 | 0.089 |
| 198 | 0.5913 | 0.0499 | 0.0843 | 0.098 |
| 234 | 0.4145 | 0.0366 | 0.0661 | 0.0756 |
| 270 | 0.3315 | 0.028 | 0.0572 | 0.0637 |
| 306 | 0.23 | 0.0159 | 0.0429 | 0.0457 |
| 342 | 0.1993 | 0.0147 | 0.0521 | 0.0542 |