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 : | 1.475 — 1.5 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 | 0.2698 | 0.028 | 0.0513 | 0.0774 |
| 54 | 0.2896 | 0.0234 | 0.0528 | 0.0578 |
| 90 | 0.3116 | 0.0227 | 0.055 | 0.0595 |
| 126 | 0.389 | 0.0243 | 0.064 | 0.0684 |
| 162 | 0.432 | 0.0284 | 0.0694 | 0.0981 |
| 198 | 0.42 | 0.0345 | 0.0677 | 0.0963 |
| 234 | 0.3099 | 0.0319 | 0.0547 | 0.0633 |
| 270 | 0.2877 | 0.0208 | 0.0521 | 0.0561 |
| 306 | 0.2958 | 0.021 | 0.0539 | 0.0579 |
| 342 | 0.3409 | 0.0269 | 0.0592 | 0.0821 |