CLAS Physics Database

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Measurement E216M612

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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 : 1.95 — 2 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 0.645435 0.0626319 0.08697865
27 0.677434 0.0560738 0.06530383
45 0.458578 0.0175662 0.05137229
63 0.477841 0.0147791 0.04071638
81 0.563677 0.0274972 0.07162148
99 0.762475 0.0263835 0.05874807
117 0.832365 0.0269539 0.0621999
135 0.878265 0.028419 0.07150924
153 1.3212 0.0405249 0.09490567
171 1.5604 0.0696657 0.12429555