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 : | 3.5 — 4.2 GeV2 | |
|---|---|---|
| W : | 1.575 — 1.6 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 | 0.2487 | 0.0241 | 0.0361 | 0.051 |
| 54 | 0.2373 | 0.0196 | 0.028 | 0.0342 |
| 90 | 0.2035 | 0.0183 | 0.0233 | 0.0296 |
| 126 | 0.1891 | 0.0196 | 0.0215 | 0.0291 |
| 162 | 0.2116 | 0.0223 | 0.0235 | 0.04 |
| 198 | 0.2382 | 0.0176 | 0.0263 | 0.0374 |
| 234 | 0.1972 | 0.0155 | 0.0225 | 0.0273 |
| 270 | 0.1838 | 0.0184 | 0.0218 | 0.0285 |
| 306 | 0.249 | 0.0218 | 0.0295 | 0.0367 |
| 342 | 0.3056 | 0.039 | 0.0415 | 0.0598 |