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 : | 1.85 — 1.875 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 | 0.3069 | 0.0252 | 0.0657 | 0.0704 |
| 54 | 0.3443 | 0.0341 | 0.0528 | 0.0628 |
| 90 | 0.3782 | 0.0324 | 0.0576 | 0.0661 |
| 126 | 0.467 | 0.04 | 0.0688 | 0.0796 |
| 162 | 0.515 | 0.0404 | 0.072 | 0.0826 |
| 198 | 0.4512 | 0.0301 | 0.0656 | 0.0721 |
| 234 | 0.4031 | 0.0341 | 0.0618 | 0.0706 |
| 270 | 0.4116 | 0.0321 | 0.0607 | 0.0687 |
| 306 | 0.3293 | 0.0261 | 0.0516 | 0.0578 |
| 342 | 0.2933 | 0.0354 | 0.0649 | 0.0739 |