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 : | 4.2 — 5 GeV2 | |
|---|---|---|
| W : | 1.75 — 1.775 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 | 0.2065 | 0.0184 | 0.0434 | 0.0471 |
| 54 | 0.2382 | 0.0217 | 0.0353 | 0.0414 |
| 90 | 0.2336 | 0.0269 | 0.0363 | 0.0452 |
| 126 | 0.2427 | 0.0221 | 0.0388 | 0.0446 |
| 162 | 0.3138 | 0.0251 | 0.0438 | 0.0505 |
| 198 | 0.3019 | 0.0298 | 0.0438 | 0.0529 |
| 234 | 0.2804 | 0.027 | 0.0426 | 0.0505 |
| 270 | 0.2319 | 0.0201 | 0.0358 | 0.041 |
| 306 | 0.2315 | 0.0216 | 0.035 | 0.0411 |
| 342 | 0.2001 | 0.0218 | 0.0423 | 0.0476 |