CLAS Physics Database

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Measurement E216M367

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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 : 3 — 3.5 GeV2
W : 2 — 2.05 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 2.65913 0.123378 0.28966086
27 2.35786 0.0929901 0.2052437
45 1.72337 0.0497399 0.1290395
63 1.60582 0.0462028 0.13239207
81 1.46179 0.0487342 0.11017303
99 1.14776 0.086008 0.08562843
117 1.12082 0.03811 0.08319107
135 1.069 0.0381377 0.08412085
153 1.24053 0.0666613 0.12826248
171 1.56136 0.0639873 0.30361147