CLAS Physics Database

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Measurement E216M495

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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 : 2 — 2.05 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 0.984924 0.0739134 0.14715068
27 0.822557 0.0630718 0.0943739
45 0.693075 0.0239494 0.06154134
63 0.639536 0.0185294 0.05428328
81 0.803949 0.0228684 0.07279543
99 0.969324 0.0287546 0.0737834
117 1.12186 0.040211 0.08505744
135 1.33917 0.0345252 0.1050985
153 1.80203 0.131222 0.16371167
171 2.60507 0.0842308 0.22096084