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 : | 2.4 — 3 GeV2 | |
|---|---|---|
| W : | 1.95 — 1.975 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 | 0.6556 | 0.0316 | 0.1039 | 0.1453 |
| 54 | 0.6178 | 0.033 | 0.103 | 0.1457 |
| 90 | 0.5921 | 0.0268 | 0.1037 | 0.1489 |
| 126 | 0.7841 | 0.0372 | 0.1206 | 0.1262 |
| 162 | 0.8451 | 0.0648 | 0.125 | 0.1838 |
| 198 | 0.8947 | 0.042 | 0.1296 | 0.185 |
| 234 | 0.8266 | 0.0504 | 0.1243 | 0.1341 |
| 270 | 0.6521 | 0.039 | 0.1081 | 0.1608 |
| 306 | 0.5884 | 0.0286 | 0.1 | 0.1476 |
| 342 | 0.5753 | 0.0417 | 0.0961 | 0.1399 |