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 : | 1.85 — 1.875 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 | 0.4266 | 0.0278 | 0.0749 | 0.1066 |
| 54 | 0.4318 | 0.0308 | 0.0768 | 0.0827 |
| 90 | 0.4911 | 0.0402 | 0.0826 | 0.0918 |
| 126 | 0.5922 | 0.0446 | 0.0938 | 0.1039 |
| 162 | 0.691 | 0.045 | 0.1036 | 0.1475 |
| 198 | 0.6899 | 0.0547 | 0.1032 | 0.147 |
| 234 | 0.5777 | 0.0442 | 0.0923 | 0.1023 |
| 270 | 0.5562 | 0.0363 | 0.0896 | 0.0967 |
| 306 | 0.5115 | 0.0462 | 0.0853 | 0.097 |
| 342 | 0.4483 | 0.0266 | 0.0774 | 0.1096 |