CLAS Physics Database

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Measurement E216M558

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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 : 1.65 — 1.7 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 0.465305 0.0688561 0.1123231
27 0.514401 0.0579309 0.07395053
45 0.504941 0.0391158 0.06078968
63 0.599001 0.039791 0.05955102
81 0.680402 0.0261338 0.06044449
99 0.795746 0.0293687 0.06463854
117 0.799846 0.0347848 0.05936897
135 0.806973 0.0374471 0.0641865
153 0.732832 0.0425331 0.06889262
171 0.844132 0.0670936 0.07216155