CLAS Physics Database

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Measurement E216M881

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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 : 2.05 — 2.1 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 0.561449 0.0536053 0.05392349
27 0.426887 0.0262349 0.03255274
45 0.354099 0.0278162 0.02721833
63 0.310598 0.0165075 0.0277218
81 0.27894 0.0165558 0.02464361
99 0.238299 0.0148551 0.02471023
117 0.183407 0.0294414 0.02251862
135 0.181959 0.0222706 0.02089696
153 0.0998235 0.0326287 0.02689829
171 0.138155 0.00015554 0.07811887