CLAS Physics Database

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Measurement E216M800

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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 : 1.6 — 1.65 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 0.222951 0.043302 0.04018011
27 0.20804 0.0208752 0.01955914
45 0.197142 0.0151415 0.01692926
63 0.204048 0.0141019 0.01944486
81 0.24318 0.016352 0.02192368
99 0.175807 0.0153895 0.01505034
117 0.199349 0.0182731 0.01927505
135 0.182226 0.0288732 0.03357515
153 0.111332 0.00998355 0.07925379
171 0.169561 0.00015264 0.09184684