CLAS Physics Database

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Measurement E216M392

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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 : 1.45 — 1.5 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 0.168851 0.0094302 0.02239432
54 0.171517 0.0131545 0.02291493
90 0.155637 0.00834888 0.02295063
126 0.2022 0.0108991 0.02866639
162 0.254278 0.0124698 0.0338332
198 0.24164 0.0108129 0.03433302
234 0.1935 0.00965212 0.0275343
270 0.164217 0.0102443 0.02558129
306 0.167229 0.00848843 0.02195516
342 0.156352 0.00750653 0.02160395