CLAS Physics Database

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Measurement E216M378

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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 — 3.5 GeV2
W : 2.05 — 2.1 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 1.34134 0.108285 0.18340979
27 1.09374 0.059995 0.1177798
45 0.901626 0.0331464 0.07843054
63 0.957586 0.159134 0.13655633
81 0.977016 0.0326168 0.07706333
99 1.30796 0.04087 0.09949679
117 1.46231 0.0466324 0.17843159
135 1.82789 0.0461382 0.13895322
153 2.78048 0.0641841 0.20354688
171 3.74005 0.151887 0.30259825