CLAS Physics Database

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Measurement E216M809

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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 : 1.65 — 1.7 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 0.245112 0.0359212 0.02574088
27 0.276419 0.0231918 0.02142084
45 0.295419 0.0198181 0.0231225
63 0.305283 0.0209472 0.0240571
81 0.299292 0.0187891 0.02351266
99 0.29004 0.0207181 0.02478756
117 0.226562 0.0334656 0.02001902
135 0.217031 0.0261891 0.04568542
153 0.158506 0.0149601 0.06828314
171 0.2051 0.00018646 0.11474278