CLAS Physics Database

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Measurement E216M549

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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 : 4.2 — 5 GeV2
W : 1.6 — 1.65 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 0.422232 0.0668535 0.08335843
27 0.33771 0.0372004 0.05747634
45 0.483838 0.0894365 0.082275
63 0.518833 0.0867173 0.04754696
81 0.484081 0.0228786 0.04460053
99 0.587007 0.0344641 0.04549746
117 0.596649 0.0260174 0.04670714
135 0.586695 0.0251945 0.05151674
153 0.660358 0.0342923 0.05234222
171 0.564952 0.0579203 0.05281102