CLAS Physics Database

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Measurement E216M185

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/dψ(π+), mcbn/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 : 2.4 — 3 GeV2
W : 1.7 — 1.75 GeV

Observable quantity measured (Y axis): dσ/dψ(π+), mcbn/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+),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
18 0.749312 0.0166824 0.09213319
54 0.738497 0.0192591 0.08677299
90 0.794436 0.0162045 0.0837028
126 0.910007 0.0604425 0.09290306
162 0.973886 0.0201322 0.09551413
198 0.977846 0.0244359 0.09833818
234 0.862941 0.0187702 0.08537369
270 0.74893 0.0137704 0.08128887
306 0.705659 0.0157919 0.08738439
342 0.731901 0.014401 0.09397121