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 : | 2 — 2.025 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 | 0.2281 | 0.0312 | 0.0492 | 0.0583 |
| 54 | 0.234 | 0.0213 | 0.0392 | 0.0446 |
| 90 | 0.3106 | 0.0272 | 0.051 | 0.0578 |
| 126 | 0.3662 | 0.0316 | 0.0574 | 0.0655 |
| 162 | 0.4452 | 0.0321 | 0.0645 | 0.0721 |
| 198 | 0.4857 | 0.03 | 0.0686 | 0.0748 |
| 234 | 0.3845 | 0.0366 | 0.0593 | 0.0697 |
| 270 | 0.3038 | 0.0361 | 0.0498 | 0.0615 |
| 306 | 0.2225 | 0.0207 | 0.0378 | 0.0431 |
| 342 | 0.2024 | 0.0145 | 0.0466 | 0.0488 |