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 : | 1.575 — 1.6 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 | 0.1341 | 0.0175 | 0.0255 | 0.0347 |
| 54 | 0.148 | 0.0119 | 0.0269 | 0.0381 |
| 90 | 0.1863 | 0.0154 | 0.0308 | 0.0344 |
| 126 | 0.2648 | 0.0179 | 0.0379 | 0.0419 |
| 162 | 0.3281 | 0.0236 | 0.044 | 0.0499 |
| 198 | 0.321 | 0.0194 | 0.0434 | 0.0476 |
| 234 | 0.2643 | 0.0205 | 0.038 | 0.0432 |
| 270 | 0.2095 | 0.019 | 0.0329 | 0.038 |
| 306 | 0.1909 | 0.0319 | 0.031 | 0.0445 |
| 342 | 0.1764 | 0.0146 | 0.0298 | 0.042 |