CLAS Physics Database

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Measurement E216M499

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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 : 3.5 — 4.2 GeV2
W : 2.05 — 2.1 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 0.242591 0.00988906 0.03818521
54 0.2684 0.0146063 0.02462765
90 0.293384 0.0105935 0.02439085
126 0.366642 0.0103194 0.02694752
162 0.438552 0.00971303 0.03171329
198 0.447547 0.0105801 0.03379618
234 0.346643 0.0100683 0.02803468
270 0.333424 0.0171265 0.02654743
306 0.267805 0.0117796 0.02412251
342 0.252653 0.0186987 0.02750409