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 : | 1.4 — 1.425 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 | 0.1064 | 0.0103 | 0.0505 | 0.0515 |
| 54 | 0.0921 | 0.0107 | 0.0386 | 0.0554 |
| 90 | 0.1246 | 0.014 | 0.0394 | 0.0561 |
| 126 | 0.1083 | 0.0112 | 0.0347 | 0.0365 |
| 162 | 0.1439 | 0.015 | 0.0393 | 0.042 |
| 198 | 0.1385 | 0.0137 | 0.0386 | 0.0409 |
| 234 | 0.1246 | 0.0129 | 0.0377 | 0.0398 |
| 270 | 0.1085 | 0.0124 | 0.0368 | 0.0517 |
| 306 | 0.106 | 0.011 | 0.041 | 0.0581 |
| 342 | 0.0851 | 0.0068 | 0.0463 | 0.0468 |