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 : | 1.55 — 1.575 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 | 0.3432 | 0.0233 | 0.0729 | 0.0765 |
| 54 | 0.3502 | 0.0206 | 0.0739 | 0.0767 |
| 90 | 0.4476 | 0.0265 | 0.0857 | 0.0897 |
| 126 | 0.5695 | 0.03 | 0.1001 | 0.1045 |
| 162 | 0.6644 | 0.0346 | 0.1114 | 0.1598 |
| 198 | 0.6866 | 0.0358 | 0.1137 | 0.1623 |
| 234 | 0.5522 | 0.0285 | 0.0983 | 0.1023 |
| 270 | 0.4079 | 0.0201 | 0.082 | 0.0845 |
| 306 | 0.383 | 0.0242 | 0.0787 | 0.0823 |
| 342 | 0.3254 | 0.0178 | 0.0715 | 0.1057 |