CLAS Physics Database

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Measurement E216M423

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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 : 1.6 — 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 0.56184 0.0630909 0.13536257
27 0.523952 0.0320451 0.12164405
45 0.568232 0.0391091 0.08424885
63 0.659525 0.0371654 0.08722904
81 0.666111 0.0309432 0.06601172
99 0.776249 0.0253414 0.06772521
117 0.909674 0.0481958 0.07427957
135 0.914305 0.0352239 0.07304522
153 0.909353 0.0398106 0.07214139
171 0.923547 0.081086 0.09052771