CLAS Physics Database

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Measurement E216M589

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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+π−p, polarization: none

Q2 : 4.2 — 5 GeV2
W : 1.85 — 1.9 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 0.196764 0.0120701 0.02281735
54 0.190296 0.0137835 0.02052186
90 0.213936 0.0114487 0.01800351
126 0.249311 0.00943975 0.01861545
162 0.294174 0.00888139 0.02250172
198 0.303468 0.00848577 0.02232402
234 0.269272 0.00784451 0.02186917
270 0.245843 0.00981175 0.01887276
306 0.205989 0.0119315 0.0216773
342 0.162192 0.00953942 0.02275237