CLAS Physics Database

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Measurement E216M405

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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 : 1.5 — 1.55 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 0.511803 0.0608872 0.13656795
27 0.534492 0.0414725 0.1104865
45 0.595096 0.042028 0.11695748
63 0.559274 0.0263702 0.08098405
81 0.687381 0.0446462 0.07385654
99 0.670974 0.0621162 0.05664727
117 0.718787 0.0320946 0.06301821
135 0.899387 0.0538283 0.0858736
153 0.771827 0.0409038 0.06176406
171 0.82018 0.068352 0.07472119