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Measurement E213M730

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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+πp, polarization: none

Q2 : 3 — 3.5 GeV2
W : 1.55 — 1.575 GeV
Ebeam : 5.754 GeV

Observable quantity measured (Y axis): dσ/dψ(π), mcb/rad
Plot measurement data

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 0.2086 0.022 0.0604 0.0858
54 0.3223 0.0294 0.0635 0.0699
90 0.2958 0.0235 0.0565 0.0612
126 0.3366 0.0227 0.0622 0.0663
162 0.3599 0.0245 0.0648 0.0693
198 0.4028 0.0238 0.0717 0.0756
234 0.3674 0.0272 0.0671 0.0724
270 0.2985 0.0268 0.0568 0.0629
306 0.2827 0.0261 0.0574 0.0631
342 0.2734 0.0259 0.0696 0.0993