CLAS Physics Database

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Measurement E216M221

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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 : 1.9 — 1.95 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 0.624553 0.0125266 0.07337112
54 0.605641 0.0136184 0.06211431
90 0.629298 0.0131791 0.05596115
126 0.767576 0.0162523 0.06234257
162 0.954511 0.0202588 0.07174456
198 0.92616 0.023458 0.06973524
234 0.781745 0.0156883 0.06130456
270 0.618592 0.01421 0.05515889
306 0.573173 0.0182516 0.06073223
342 0.635828 0.0165278 0.0759349