CLAS Physics Database

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Measurement E216M420

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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 : 3.5 — 4.2 GeV2
W : 1.6 — 1.65 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 0.2943 0.0220266 0.04373373
54 0.263755 0.0108931 0.02549139
90 0.221851 0.00909689 0.01905272
126 0.20856 0.00799794 0.01716822
162 0.236459 0.0096745 0.01887144
198 0.235707 0.0124142 0.02086989
234 0.208519 0.00975215 0.01806333
270 0.194713 0.00868077 0.01686507
306 0.294036 0.0174408 0.02853986
342 0.253867 0.0153194 0.0478442