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 : | 1.675 — 1.7 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 | 0.338 | 0.0275 | 0.0592 | 0.0653 |
| 54 | 0.3905 | 0.0289 | 0.0656 | 0.093 |
| 90 | 0.4165 | 0.0271 | 0.0693 | 0.0744 |
| 126 | 0.4768 | 0.0376 | 0.0765 | 0.0852 |
| 162 | 0.5126 | 0.0307 | 0.0801 | 0.1137 |
| 198 | 0.5371 | 0.0333 | 0.0826 | 0.1173 |
| 234 | 0.4191 | 0.0256 | 0.0697 | 0.0743 |
| 270 | 0.3869 | 0.0255 | 0.0658 | 0.0706 |
| 306 | 0.3364 | 0.0313 | 0.0598 | 0.0842 |
| 342 | 0.3292 | 0.021 | 0.0583 | 0.062 |