CLAS Physics Database

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Measurement E216M387

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/d(−cos(θ(p))), mcbn/rad
Differential cross section, where cos(θ(p)) is cosine of the azimuthal angle of p 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 : 1.4 — 1.45 GeV

Observable quantity measured (Y axis): dσ/d(−cos(θ(p))), mcbn/rad
Plot measurement data

Parameter (X axis): θ(p), deg

Click here to get data in text file, delimited with tabs.

Measured data:

θ(p),
deg
dσ/d(−cos(θ(p))),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
9 0.436313 0.076603 0.12644651
27 0.375234 0.0455839 0.09506806
45 0.332703 0.0253392 0.11195171
63 0.367637 0.0312769 0.05620729
81 0.330621 0.024358 0.06078354
99 0.41983 0.0558632 0.07190995
117 0.425109 0.0343187 0.04594706
135 0.39628 0.0459449 0.03908317
153 0.505808 0.0385147 0.05481281
171 0.469175 0.0653215 0.04501155