Parameter (X axis): ψ(p), 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(p), mcb/rad
Differential cross section, where ψ(p) is out-of-plane angle of π+ and π− in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none
| Q2 : | 4.2 — 5 GeV2 | |
|---|---|---|
| W : | 1.6 — 1.625 GeV | |
| Ebeam : | 5.754 GeV |
|
Observable quantity measured (Y axis): dσ/dψ(p), mcb/rad
Parameter (X axis): ψ(p), deg |
Click here to get data in text file, delimited with tabs.
Measured data:
|
ψ(p),
deg |
dσ/dψ(p),
mcb/rad |
Stat. error,
mcb/rad |
Syst. error,
mcb/rad |
Total error,
mcb/rad |
|---|---|---|---|---|
| 18 | 0.206 | 0.0257 | 0.0406 | 0.0575 |
| 54 | 0.2004 | 0.0253 | 0.0331 | 0.0417 |
| 90 | 0.1293 | 0.017 | 0.0231 | 0.0287 |
| 126 | 0.1446 | 0.0176 | 0.0244 | 0.0301 |
| 162 | 0.1516 | 0.0258 | 0.025 | 0.0359 |
| 198 | 0.1879 | 0.0191 | 0.0293 | 0.0413 |
| 234 | 0.1347 | 0.015 | 0.0236 | 0.028 |
| 270 | 0.1394 | 0.0164 | 0.0247 | 0.0297 |
| 306 | 0.1726 | 0.0182 | 0.0293 | 0.0345 |
| 342 | 0.1756 | 0.0183 | 0.0368 | 0.0524 |