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 : | 3 — 3.5 GeV2 | |
|---|---|---|
| W : | 1.525 — 1.55 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 | 0.2351 | 0.0272 | 0.0488 | 0.0686 |
| 54 | 0.2456 | 0.0189 | 0.0501 | 0.0536 |
| 90 | 0.2951 | 0.0211 | 0.0558 | 0.0596 |
| 126 | 0.3772 | 0.0267 | 0.0655 | 0.0707 |
| 162 | 0.4333 | 0.0374 | 0.0721 | 0.0812 |
| 198 | 0.3786 | 0.029 | 0.0653 | 0.0715 |
| 234 | 0.3688 | 0.0222 | 0.0644 | 0.0682 |
| 270 | 0.2837 | 0.0243 | 0.0543 | 0.0595 |
| 306 | 0.2582 | 0.0212 | 0.0517 | 0.0559 |
| 342 | 0.2344 | 0.0168 | 0.0485 | 0.0688 |