CLAS Physics Database

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Measurement E216M188

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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+πp, polarization: none

Q2 : 2.4 — 3 GeV2
W : 1.7 — 1.75 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 2.72774 0.0872305 0.21641965
27 2.56486 0.0611964 0.21176522
45 2.59128 0.0394241 0.20189363
63 2.64695 0.0384852 0.20253273
81 2.81453 0.0430223 0.21775624
99 2.59625 0.0391368 0.20455839
117 2.57066 0.0530421 0.34308048
135 2.58798 0.182977 0.41874259
153 1.77744 0.0743443 0.64116237
171 2.34211 0.0209567 1.41297946