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 : | 1.5 — 1.525 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 | 0.2312 | 0.0213 | 0.0457 | 0.0504 |
| 54 | 0.2115 | 0.0192 | 0.0432 | 0.0611 |
| 90 | 0.2468 | 0.0193 | 0.0473 | 0.0511 |
| 126 | 0.3427 | 0.0286 | 0.0594 | 0.0659 |
| 162 | 0.378 | 0.0268 | 0.0635 | 0.09 |
| 198 | 0.3658 | 0.0321 | 0.0618 | 0.0876 |
| 234 | 0.3024 | 0.0483 | 0.0544 | 0.0727 |
| 270 | 0.2766 | 0.024 | 0.0514 | 0.0567 |
| 306 | 0.2464 | 0.0198 | 0.0475 | 0.0674 |
| 342 | 0.2279 | 0.0172 | 0.0452 | 0.0484 |