CLAS Physics Database

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Measurement E216M312

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/dψ(p), mcbn/rad
Differential cross section, where ψ(p) is out-of-plane angle of π+ 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 : 1.7 — 1.75 GeV

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

Parameter (X axis): ψ(p), deg

Click here to get data in text file, delimited with tabs.

Measured data:

ψ(p),
deg
dσ/dψ(p),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
18 0.690966 0.0516511 0.09868759
54 0.57805 0.0236759 0.07334072
90 0.540012 0.0409507 0.04249108
126 0.588463 0.0398512 0.05261903
162 0.608914 0.0169736 0.04529064
198 0.615207 0.0183304 0.04603645
234 0.558597 0.0149654 0.04033799
270 0.561058 0.0208411 0.04362312
306 0.633605 0.0301304 0.05820524
342 0.613681 0.038605 0.09627748