CLAS Physics Database

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Measurement E216M826

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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(π−))), mcbn/rad
Differential cross section, where cos(θ(π−) is cosine of the azimuthal angle of π− in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none

Q2 : 6 — 7 GeV2
W : 1.75 — 1.8 GeV

Observable quantity measured (Y axis): dσ/d(−cos(θ(π−))), mcbn/rad
Plot measurement data

Parameter (X axis): θ(π−), deg

Click here to get data in text file, delimited with tabs.

Measured data:

θ(π−),
deg
dσ/d(−cos(θ(π−))),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
9 0.313093 0.0451528 0.05075682
27 0.376113 0.0540072 0.04207339
45 0.343135 0.022786 0.03159762
63 0.350432 0.0212937 0.03085401
81 0.343288 0.0205544 0.02997315
99 0.311494 0.0191026 0.02843823
117 0.262661 0.0151668 0.02478148
135 0.235956 0.0153423 0.0243604
153 0.2502 0.0188902 0.03025869
171 0.254871 0.0297077 0.02758503