CLAS Physics Database

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Measurement E216M728

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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 : 5 — 6 GeV2
W : 1.9 — 1.95 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 0.490102 0.114511 0.05370887
27 0.561287 0.027402 0.04487201
45 0.53907 0.016822 0.04135002
63 0.520613 0.0172327 0.03960393
81 0.512867 0.0235881 0.04063846
99 0.556354 0.0277393 0.04216091
117 0.491186 0.0367067 0.04162283
135 0.379826 0.0196599 0.03837597
153 0.245298 0.0194824 0.04903333
171 0.258148 0.00035266 0.13349557