CLAS Physics Database

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Measurement E216M553

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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 : 1.65 — 1.7 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 0.178662 0.0172144 0.03241979
54 0.200087 0.0131856 0.01992795
90 0.228925 0.0116317 0.01697216
126 0.249979 0.00989814 0.01844262
162 0.256954 0.0116245 0.02127567
198 0.249479 0.00909032 0.01947674
234 0.241011 0.00997933 0.01908925
270 0.225284 0.0100788 0.01786896
306 0.259895 0.0486837 0.04568236
342 0.199543 0.0202156 0.0288818