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 : | 4.2 — 5 GeV2 | |
|---|---|---|
| W : | 1.975 — 2 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 | 0.1849 | 0.0237 | 0.0436 | 0.0496 |
| 54 | 0.1786 | 0.0178 | 0.0445 | 0.0479 |
| 90 | 0.2434 | 0.0227 | 0.0534 | 0.058 |
| 126 | 0.334 | 0.0322 | 0.0606 | 0.0686 |
| 162 | 0.3714 | 0.0308 | 0.0606 | 0.068 |
| 198 | 0.3473 | 0.0246 | 0.0584 | 0.0634 |
| 234 | 0.2906 | 0.0266 | 0.0565 | 0.0624 |
| 270 | 0.182 | 0.0112 | 0.0481 | 0.0494 |
| 306 | 0.155 | 0.0146 | 0.0431 | 0.0456 |
| 342 | 0.1425 | 0.0121 | 0.04 | 0.0418 |