CLAS Physics Database

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Measurement E216M414

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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 : 1.55 — 1.6 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 0.367459 0.0392797 0.09279378
27 0.450817 0.0438975 0.09285593
45 0.479308 0.0284363 0.07912603
63 0.575307 0.0534076 0.08674674
81 0.914096 0.308642 0.25614402
99 0.632961 0.0247182 0.05469644
117 0.754221 0.029311 0.06322659
135 0.820853 0.0512173 0.07145275
153 0.799937 0.0785418 0.07291685
171 0.827743 0.0646744 0.07311806