CLAS Physics Database

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Measurement E216M540

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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 : 1.55 — 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 0.226205 0.0315139 0.04848314
27 0.326772 0.0824956 0.08952388
45 0.383568 0.0758784 0.07334339
63 0.346904 0.0228672 0.03945859
81 0.416329 0.0439482 0.04230307
99 0.48595 0.0435581 0.0466434
117 0.49138 0.0227738 0.03993478
135 0.622562 0.0542915 0.06612884
153 0.540678 0.0318691 0.04610514
171 0.559439 0.0632784 0.04820211