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 : | 1.6 — 1.625 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 | 0.2693 | 0.0433 | 0.0606 | 0.0745 |
| 54 | 0.2824 | 0.0316 | 0.0517 | 0.0605 |
| 90 | 0.2428 | 0.0268 | 0.0437 | 0.0512 |
| 126 | 0.2848 | 0.024 | 0.0497 | 0.0551 |
| 162 | 0.2912 | 0.0222 | 0.0497 | 0.0544 |
| 198 | 0.2761 | 0.0213 | 0.0473 | 0.0519 |
| 234 | 0.2917 | 0.0245 | 0.0507 | 0.0563 |
| 270 | 0.3014 | 0.0244 | 0.0528 | 0.0582 |
| 306 | 0.2488 | 0.0215 | 0.0463 | 0.051 |
| 342 | 0.2028 | 0.0256 | 0.0504 | 0.0565 |