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 : | 1.85 — 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 | 0.2995 | 0.0499 | 0.0579 | 0.0765 |
| 54 | 0.3013 | 0.019 | 0.0596 | 0.0626 |
| 90 | 0.4208 | 0.0362 | 0.0744 | 0.0827 |
| 126 | 0.4508 | 0.038 | 0.0779 | 0.0866 |
| 162 | 0.5363 | 0.0398 | 0.0875 | 0.0961 |
| 198 | 0.5426 | 0.0359 | 0.0884 | 0.0954 |
| 234 | 0.5235 | 0.0515 | 0.0859 | 0.1001 |
| 270 | 0.3888 | 0.0494 | 0.0701 | 0.0857 |
| 306 | 0.2976 | 0.02 | 0.0592 | 0.0625 |
| 342 | 0.3009 | 0.0305 | 0.0585 | 0.066 |