CLAS Physics Database

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Measurement E216M818

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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 : 1.7 — 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 0.354717 0.0467449 0.03262697
27 0.373931 0.0319776 0.03107707
45 0.36177 0.0213309 0.03102001
63 0.369444 0.0187413 0.02945551
81 0.373658 0.0222329 0.03069822
99 0.376889 0.0539379 0.03507417
117 0.343232 0.0242675 0.03099014
135 0.265195 0.0234597 0.04376429
153 0.26224 0.0318755 0.0877526
171 0.250536 0.00022994 0.13468027