CLAS Physics Database

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Measurement E216M368

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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 : 3 — 3.5 GeV2
W : 2 — 2.05 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 2.20212 0.075575 0.18990073
27 1.92464 0.0446275 0.16363091
45 1.58622 0.0407609 0.1247568
63 1.44987 0.0334771 0.11101669
81 1.48635 0.0481855 0.10682498
99 1.47303 0.0472495 0.10613893
117 1.35573 0.0342707 0.09893748
135 1.14766 0.0435852 0.10527269
153 1.20961 0.0645956 0.16053178
171 0.924475 0.0105698 0.54435287